Point Forecast Matrices
Issued by NWS Des Moines, IA

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FOUS53 KDMX 182315
PFMDMX

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE DES MOINES IA
615 PM CDT SAT APR 18 2015

IAZ060-191000-
DES MOINES-POLK IA
41.54N  93.65W ELEV. 924 FT
615 PM CDT SAT APR 18 2015

DATE           04/18/15      SUN 04/19/15            MON 04/20/15            TUE
CDT 3HRLY     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

MIN/MAX                      58          65          44          57          37
TEMP             65 64 61 60 58 61 64 64 59 53 50 47 44 50 53 57 55 47 44 38 39
DEWPT            58 58 57 55 54 56 55 53 49 43 39 37 35 35 32 29 27 26 25 24 24
RH               78 81 87 84 86 84 73 67 69 69 66 68 70 56 44 34 34 43 47 57 54
WIND DIR          S SE SE SE  S NW NW NW NW NW NW NW NW NW NW NW NW  W  W  W  W
WIND SPD          8  9  6  5  5  2  8 13 17 16 14 13 14 19 23 23 17 13 11 11 12
CLOUDS           OV OV OV OV OV OV OV OV OV B2 B1 SC SC SC SC SC B1 SC FW FW FW
POP 12HR                     90          80          40          10           5
QPF 12HR                   0.41        0.44        0.02           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        D  D  D  D  C  C  O  L  C  S
TSTMS             S  S  S  S  C  C  O  L
WIND CHILL                                           37                38 31 31
MIN CHILL                                            36    37          37    28


DATE           04/21  WED 04/22/15  THU 04/23/15  FRI 04/24/15  SAT 04/25/15
CDT 6HRLY     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6HRLY     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MAX/MIN          58      37    59      37    58      37    59      41    62
TEMP          56 56   44 38 56 57   46 37 53 56   42 39 54 57   45 42 58 60
DEWPT         22 21   27 26 26 25   26 24 23 23   26 28 30 32   32 33 31 33
PWIND DIR         W      NW    NW      NW     N       N    NE      NE    NE
WIND CHAR        BZ      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    FW SC   SC FW FW FW   SC SC SC FW   SC SC SC B1   B1 B1 SC B1
POP 12HR          5      10     5      10     5      10    20      20    10
RAIN SHWRS                                               S  S    S  S

$$
IAZ039-191000-
WATERLOO/CEDAR FALLS-BLACK HAWK IA
42.55N  92.40W ELEV. 865 FT
615 PM CDT SAT APR 18 2015

DATE           04/18/15      SUN 04/19/15            MON 04/20/15            TUE
CDT 3HRLY     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

MIN/MAX                      51          64          42          53          34
TEMP             75 68 58 54 53 55 62 64 58 53 48 45 42 47 49 53 50 42 39 35 35
DEWPT            53 54 52 50 49 52 53 54 51 46 42 39 36 35 31 30 28 28 27 26 26
RH               46 61 80 86 86 90 72 70 77 77 80 79 79 63 50 41 42 57 62 69 69
WIND DIR         SE  E SE SE SE SE SE  N NW NW NW NW NW NW NW NW NW  W  W  W  W
WIND SPD         12 11 12  9  9  6  3  9 14 16 16 14 16 20 24 23 19 16 13 12 14
CLOUDS           OV OV OV OV OV OV OV OV OV OV B2 B1 SC B1 B1 B1 B1 SC SC SC SC
POP 12HR                     90          80          60          20          10
QPF 12HR                   0.43        0.46        0.09        0.01           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        C  C  L  L  D  L  O  O  L  C  S           S  S
TSTMS             S  S  S  S  D  L  O  O  S
WIND CHILL                                        38 34 39          34 31 26 25
MIN CHILL                                            33    34          31    25


DATE           04/21  WED 04/22/15  THU 04/23/15  FRI 04/24/15  SAT 04/25/15
CDT 6HRLY     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6HRLY     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MAX/MIN          53      32    55      32    54      33    57      36    59
TEMP          52 50   39 33 51 52   39 33 51 51   39 35 52 53   41 38 55 56
DEWPT         22 21   27 25 26 23   26 24 23 24   26 27 29 31   33 31 31 32
PWIND DIR        NW      NW    NW      NW    NW       N     N      NE     N
WIND CHAR        BZ      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC SC   SC FW FW SC   SC SC FW FW   SC SC SC SC   B1 B1 SC SC
POP 12HR         20      10     5      10     5      10    10      20    10
RAIN SHWRS        S                                              S  S

$$
IAZ048-191000-
AMES-STORY IA
41.99N  93.62W ELEV. 936 FT
615 PM CDT SAT APR 18 2015

DATE           04/18/15      SUN 04/19/15            MON 04/20/15            TUE
CDT 3HRLY     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

MIN/MAX                      55          64          41          55          34
TEMP             65 61 60 57 56 59 64 63 57 52 49 44 41 47 51 55 52 44 41 35 36
DEWPT            57 57 56 55 54 56 55 53 48 42 39 36 35 34 31 29 27 26 25 25 24
RH               75 87 87 93 93 90 73 70 72 69 68 73 79 60 46 37 38 49 52 66 61
WIND DIR          S  E SE SE  S  S NW NW NW NW NW NW NW NW NW NW NW  W  W  W  W
WIND SPD         10  9  8  8  5  2  8 13 19 17 14 13 14 20 23 23 18 14 11 11 12
CLOUDS           OV OV OV OV OV OV OV OV OV B2 B1 SC SC SC SC B1 B1 SC SC FW FW
POP 12HR                    100          80          30          20           5
QPF 12HR                   0.51        0.34        0.01           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        D  D  D  D  L  L  O  L  C                 S  S
TSTMS             S  S  S  S  L  L  O  L
WIND CHILL                                        38 33             37 34 27 28
MIN CHILL                                            33    34          33    25


DATE           04/21  WED 04/22/15  THU 04/23/15  FRI 04/24/15  SAT 04/25/15
CDT 6HRLY     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6HRLY     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MAX/MIN          56      35    57      33    56      35    59      38    60
TEMP          54 54   42 36 54 54   42 34 52 54   40 37 54 56   43 39 57 57
DEWPT         22 22   28 25 26 24   26 24 22 23   25 28 30 30   32 32 31 33
PWIND DIR        NW      NW    NW      NW    NW       N    NE      NE     N
WIND CHAR        BZ      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    FW SC   SC FW FW FW   SC SC FW FW   SC SC SC B1   B1 B1 SC B1
POP 12HR         10      10     5      10    10      10    20      20    10
RAIN SHWRS                                               S  S    S  S

$$
IAZ004-191000-
ESTHERVILLE-EMMET IA
43.40N  94.75W ELEV. 1315 FT
615 PM CDT SAT APR 18 2015

DATE           04/18/15      SUN 04/19/15            MON 04/20/15            TUE
CDT 3HRLY     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

MIN/MAX                      53          60          38          49          32
TEMP             61 60 56 55 53 56 60 57 54 47 44 40 38 41 45 49 46 41 37 33 33
DEWPT            54 55 54 53 51 52 48 45 41 37 36 33 31 30 27 26 24 24 24 23 22
RH               78 84 93 93 93 86 64 64 61 68 73 76 76 65 49 40 42 50 59 66 63
WIND DIR         SE SE SE  S  S  W NW NW  N NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD         16 14 13 11  9 13 19 21 20 17 16 14 17 24 26 26 23 18 16 14 16
CLOUDS           OV OV OV OV OV OV OV OV B2 B1 SC SC SC B1 B1 B1 B1 SC SC SC SC
POP 12HR                    100          50           5          20          10
QPF 12HR                   0.44        0.06           0        0.01           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        D  D  D  D  C  C  S                       S  S
TSTMS             S  S  S  S  S  S  S
WIND CHILL                                     37 32 28 31 35    38 32 28 23 22
MIN CHILL                                      37    27    28    37    28    21


DATE           04/21  WED 04/22/15  THU 04/23/15  FRI 04/24/15  SAT 04/25/15
CDT 6HRLY     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6HRLY     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MAX/MIN          53      31    54      29    54      32    57      33    59
TEMP          52 50   39 32 51 51   38 30 49 52   38 34 52 54   39 34 55 57
DEWPT         20 19   25 24 24 20   23 20 20 21   25 26 27 28   30 29 30 31
PWIND DIR        NW      NW    NW      NW    NW       N    NE      NE     N
WIND CHAR        BZ      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC SC   SC SC SC SC   SC FW FW FW   SC SC SC SC   SC B1 SC SC
POP 12HR         20      10     5       5     5      10    10      10    10
RAIN SHWRS        S

$$
IAZ035-191000-
FORT DODGE-WEBSTER IA
42.55N  94.18W ELEV. 1165 FT
615 PM CDT SAT APR 18 2015

DATE           04/18/15      SUN 04/19/15            MON 04/20/15            TUE
CDT 3HRLY     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

MIN/MAX                      54          62          40          52          34
TEMP             60 59 57 56 54 57 62 60 55 50 48 43 40 45 49 52 49 43 40 35 35
DEWPT            56 55 54 53 52 54 52 49 44 40 37 34 32 32 29 27 25 25 25 24 23
RH               87 87 90 90 93 90 70 67 66 68 65 70 73 60 46 38 39 49 55 64 61
WIND DIR          S SE SE SE  S  W NW NW  N NW NW NW NW NW NW NW NW NW NW  W  W
WIND SPD         12 12 11  8  6  4 11 16 18 16 14 12 13 19 21 23 18 16 13 12 12
CLOUDS           OV OV OV OV OV OV OV OV OV B2 SC SC SC SC B1 B1 B1 SC SC SC FW
POP 12HR                    100          60          10          20           5
QPF 12HR                   0.56        0.18           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        D  D  D  D  L  L  C  C                    S  S
TSTMS             S  S  S  S  S  S  S  S
WIND CHILL                                        36 32 37          36 32 26 26
MIN CHILL                                            32    33          31    25


DATE           04/21  WED 04/22/15  THU 04/23/15  FRI 04/24/15  SAT 04/25/15
CDT 6HRLY     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6HRLY     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MAX/MIN          55      33    57      32    55      34    58      37    60
TEMP          54 53   41 34 53 54   40 33 51 53   40 36 53 55   42 38 56 57
DEWPT         21 22   26 24 27 24   25 22 22 23   25 26 29 29   31 29 31 32
PWIND DIR        NW      NW    NW      NW    NW       N    NE      NE     N
WIND CHAR        BZ      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    FW SC   SC FW FW FW   SC SC FW FW   SC SC SC SC   B1 B1 SC B1
POP 12HR         20      10     5      10     5      10    20      20    10
RAIN SHWRS        S                                      S  S    S  S

$$
IAZ094-191000-
LAMONI-DECATUR IA
40.63N  93.90W ELEV. 1125 FT
615 PM CDT SAT APR 18 2015

DATE           04/18/15      SUN 04/19/15            MON 04/20/15            TUE
CDT 3HRLY     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

MIN/MAX                      57          64          43          57          36
TEMP             67 65 60 58 57 61 64 64 58 53 50 46 43 51 55 57 54 45 42 37 38
DEWPT            58 57 55 55 54 56 56 54 50 44 40 38 35 36 33 31 29 27 26 25 24
RH               73 75 84 90 90 84 75 70 75 71 68 73 73 56 43 37 38 49 53 61 57
WIND DIR         SE SE SE  E SE  N NW NW NW NW NW NW NW NW NW NW NW  W  W  W  W
WIND SPD          5  6  5  4  4  3  8 13 16 16 14 13 13 19 21 20 17 12 10  9 10
CLOUDS           OV OV OV OV OV OV OV OV OV OV B1 SC FW SC SC SC SC SC FW FW FW
POP 12HR                     70          80          50          10           5
QPF 12HR                   0.26        0.51        0.06           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        L  C  C  C  C  C  O  O  C  C
TSTMS             S  S  S  S  C  C  O  O
WIND CHILL                                           36             39 36 30 31
MIN CHILL                                            36    38          35    27


DATE           04/21  WED 04/22/15  THU 04/23/15  FRI 04/24/15  SAT 04/25/15
CDT 6HRLY     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6HRLY     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MAX/MIN          59      38    61      38    59      38    60      41    61
TEMP          58 58   46 39 58 58   46 39 55 57   44 40 56 56   45 42 57 59
DEWPT         25 26   29 28 32 32   33 28 29 30   30 31 34 35   35 35 34 36
PWIND DIR         W      NW     N      NW     N       N    NE      NE    NE
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    FW FW   SC SC SC SC   B1 SC SC SC   SC SC SC B1   B1 B1 SC SC
POP 12HR          5      10    10      10    10      10    20      20    10
RAIN SHWRS                                               S  S    S  S

$$
IAZ017-191000-
MASON CITY-CERRO GORDO IA
43.16N  93.33W ELEV. 1189 FT
615 PM CDT SAT APR 18 2015

DATE           04/18/15      SUN 04/19/15            MON 04/20/15            TUE
CDT 3HRLY     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

MIN/MAX                      51          61          39          49          33
TEMP             65 59 55 53 51 55 61 60 54 49 46 42 39 42 45 49 46 40 37 34 34
DEWPT            54 52 51 50 50 53 53 50 46 41 39 35 33 32 29 28 26 26 26 25 24
RH               68 78 86 89 96 93 75 69 74 74 76 76 79 67 53 44 45 57 64 69 66
WIND DIR          E SE SE SE SE  S  W NW NW NW NW NW NW NW NW NW NW NW  W  W  W
WIND SPD         13 14 14 12 10  5 10 16 19 17 17 16 17 23 25 24 23 19 16 14 17
CLOUDS           OV OV OV OV OV OV OV OV OV B2 B1 SC SC B1 B1 B1 B1 B1 SC SC SC
POP 12HR                    100          70          20          20          10
QPF 12HR                   0.56        0.26        0.01        0.01           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        L  D  D  D  L  L  L  C  S                 S  S
TSTMS             S  S  S  S  S  S  S  S
WIND CHILL                                     39 34 30 32 36    38 31 28 24 23
MIN CHILL                                      39    30    29    38    28    22


DATE           04/21  WED 04/22/15  THU 04/23/15  FRI 04/24/15  SAT 04/25/15
CDT 6HRLY     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6HRLY     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MAX/MIN          52      31    53      30    53      32    56      34    59
TEMP          51 49   37 32 50 51   39 30 49 51   38 34 51 53   40 35 55 56
DEWPT         22 21   25 24 25 23   24 22 21 23   25 26 28 30   31 29 30 31
PWIND DIR        NW      NW    NW      NW    NW       N     N      NE     N
WIND CHAR        BZ      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC SC   SC FW FW SC   SC FW FW FW   SC SC SC SC   SC B1 SC SC
POP 12HR         20      10    10      10     5      10    10      10    10
RAIN SHWRS        S

$$
IAZ049-191000-
MARSHALLTOWN-MARSHALL IA
42.11N  92.91W ELEV. 972 FT
615 PM CDT SAT APR 18 2015

DATE           04/18/15      SUN 04/19/15            MON 04/20/15            TUE
CDT 3HRLY     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

MIN/MAX                      53          64          42          54          34
TEMP             66 61 57 55 53 55 63 63 59 53 50 45 42 47 51 54 51 44 40 35 35
DEWPT            57 56 55 54 52 55 55 54 51 45 41 38 35 35 32 30 28 28 27 26 25
RH               73 84 93 96 96100 75 72 75 74 71 76 76 63 48 40 41 53 59 69 66
WIND DIR         SE  E SE  E SE SE NW  N NW NW NW NW NW NW NW NW NW  W  W  W  W
WIND SPD         14 12 12  8  8  5  4 11 16 17 16 14 16 20 24 23 18 14 11 11 13
CLOUDS           OV OV OV OV OV OV OV OV OV B2 B2 B1 SC SC B1 B1 B1 SC SC SC SC
POP 12HR                     90          80          50          20          10
QPF 12HR                   0.49        0.45        0.06           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        D  D  D  D  L  L  O  O  C  C              S  S
TSTMS             S  S  S  S  L  L  O  O
WIND CHILL                                        38 34             37 33 27 26
MIN CHILL                                            34    35          32    25


DATE           04/21  WED 04/22/15  THU 04/23/15  FRI 04/24/15  SAT 04/25/15
CDT 6HRLY     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6HRLY     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MAX/MIN          54      33    56      32    55      34    57      37    59
TEMP          53 52   40 34 53 53   40 33 51 53   39 36 52 55   43 38 56 57
DEWPT         23 22   28 24 26 24   25 23 23 24   25 28 30 31   32 33 32 34
PWIND DIR        NW      NW    NW      NW    NW       N     N      NE     N
WIND CHAR        BZ      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    FW SC   SC FW FW SC   SC SC FW FW   SC SC SC B1   B1 B1 SC SC
POP 12HR         10      10     5      10     5      10    20      20    10
RAIN SHWRS                                               S  S    S  S

$$
IAZ086-191000-
OTTUMWA-WAPELLO IA
41.11N  92.45W ELEV. 836 FT
615 PM CDT SAT APR 18 2015

DATE           04/18/15      SUN 04/19/15            MON 04/20/15            TUE
CDT 3HRLY     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

MIN/MAX                      56          65          44          57          36
TEMP             68 60 58 57 56 60 64 64 59 54 51 47 44 51 55 57 54 46 43 37 38
DEWPT            56 57 57 56 55 56 57 56 53 48 43 41 38 38 34 33 31 29 28 27 26
RH               65 90 96 96 96 87 78 75 80 80 74 79 79 61 45 40 41 51 55 67 62
WIND DIR         SE  E  E  E SE  E  N NW NW NW NW NW NW NW NW NW NW  W  W  W  W
WIND SPD         11  9  8  6  5  3  4  6 12 16 16 14 16 19 23 21 17 13 12 10 11
CLOUDS           OV OV OV B2 OV OV OV OV OV OV B2 B1 SC SC SC SC SC SC FW FW FW
POP 12HR                     80          80          60          10          10
QPF 12HR                   0.31        0.56        0.12           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        D  L  L  L  L  L  O  O  L  C  S
TSTMS             S  S  S  S  L  L  O  O  S
WIND CHILL                                           37                36 30 30
MIN CHILL                                            37    38          35    28


DATE           04/21  WED 04/22/15  THU 04/23/15  FRI 04/24/15  SAT 04/25/15
CDT 6HRLY     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6HRLY     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MAX/MIN          58      36    59      35    57      36    59      39    61
TEMP          56 56   42 37 56 56   44 36 54 55   41 38 54 56   44 40 57 58
DEWPT         24 24   27 28 27 27   26 27 25 26   28 29 32 35   33 33 33 35
PWIND DIR         W      NW    NW      NW    NW       N     N      NE    NE
WIND CHAR        BZ      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    FW FW   SC SC SC FW   SC SC SC FW   SC SC SC B1   B1 B1 B1 SC
POP 12HR          5      10    10      10    10      10    20      20    10
RAIN SHWRS                                               S  S    S  S

$$



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