Point Forecast Matrices
Issued by NWS Des Moines, IA

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000
FOUS53 KDMX 180859
PFMDMX

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE DES MOINES IA
359 AM CDT SAT APR 18 2015

IAZ060-182200-
DES MOINES-POLK IA
41.54N  93.65W ELEV. 924 FT
359 AM CDT SAT APR 18 2015

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

MAX/MIN                      72          58          64          43          56
TEMP          63 59 65 70 72 66 64 61 59 58 61 64 63 56 53 50 45 44 50 54 56 53
DEWPT         54 53 56 58 57 58 58 57 55 54 55 55 53 47 41 38 37 35 35 32 29 26
RH            72 80 73 66 59 75 81 87 87 86 81 73 70 72 64 63 73 70 56 43 35 35
WIND DIR       S  E  E SE SE SE SE SE  E  S  N NW NW NW NW NW NW NW NW NW NW NW
WIND SPD       6  5  9 13 16 10  9  6  5  5  5 11 19 17 14 12 13 13 19 21 21 17
CLOUDS        B2 OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 SC FW SC SC SC SC
POP 12HR                     70          60          60          20          10
QPF 12HR                   0.46        0.32        0.52        0.01           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS     C  C  C  C  L  L  C  C  L  L  C  L  C  S  S
TSTMS          S  S  S  S  S  S  S  S  S  S  S  S  S
WIND CHILL                                                    38 37
MIN CHILL                                                        36    38


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

MIN/MAX          37    57      38    60      38    58      41    58
TEMP          44 38 53 55   43 39 56 57   43 39 54 56   45 42 55 56
DEWPT         25 25 22 22   25 27 29 27   27 27 29 27   30 32 34 36
PWIND DIR         W    NW       W    NW       N     N      NE     E
WIND CHAR        GN    BZ      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC FW FW FW   SC SC FW SC   SC SC SC SC   B1 B1 B2 B2
POP 12HR          5     5       5    10      10    10      20    20
RAIN SHWRS                                               S  S  S  S

$$
IAZ039-182200-
WATERLOO/CEDAR FALLS-BLACK HAWK IA
42.55N  92.40W ELEV. 865 FT
359 AM CDT SAT APR 18 2015

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

MAX/MIN                      73          53          62          40          53
TEMP          54 53 65 73 71 65 59 56 55 53 55 61 61 54 50 46 42 40 46 49 53 48
DEWPT         45 44 45 48 51 53 54 52 51 49 53 54 53 50 46 43 38 36 35 32 30 29
RH            71 71 48 41 49 65 83 86 86 86 93 78 75 86 86 89 86 85 65 52 41 47
WIND DIR      NE  E  E SE SE  E  E SE  E SE SE SE  N NW NW NW NW NW NW NW  W  W
WIND SPD       5  6 16 17 17 16 10 10  8  8  8 10 13 17 14 13 14 14 19 24 21 19
CLOUDS        B1 B2 B2 OV OV OV OV OV OV OV B2 OV OV OV OV B2 B1 SC SC B1 B1 B1
POP 12HR                     50          70          80          30          20
QPF 12HR                   0.05        0.49        0.39        0.08           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS              S  C  C  L  L  L  L  C  D  L  C  C        S  S  S  S
TSTMS                   S  S  S  S  S  S  S  S  S  S
WIND CHILL                                                    34 32 39
MIN CHILL                                                        32    33


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

MIN/MAX          34    53      33    55      32    55      35    56
TEMP          39 35 50 50   38 34 51 52   38 33 51 52   40 36 52 53
DEWPT         28 27 23 22   26 27 26 24   25 26 24 24   28 29 30 31
PWIND DIR         W    NW      NW    NW      NW    NW      NE     E
WIND CHAR        GN    BZ      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1 B1 SC SC   SC SC FW SC   SC FW FW FW   SC SC B1 B1
POP 12HR         10    10      10    10      10    10      20    20
RAIN SHWRS                                               S  S  S  S

$$
IAZ048-182200-
AMES-STORY IA
41.99N  93.62W ELEV. 936 FT
359 AM CDT SAT APR 18 2015

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

MAX/MIN                      72          55          63          40          54
TEMP          58 54 66 70 72 66 61 58 56 56 57 63 61 55 50 47 42 41 48 51 54 52
DEWPT         50 51 54 56 57 57 56 56 55 53 55 55 51 46 41 39 36 35 34 32 29 26
RH            75 90 65 61 59 73 84 93 96 90 93 75 70 72 71 74 79 79 58 48 38 36
WIND DIR       E  E  E SE SE SE SE SE SE  S SW NW NW NW NW NW NW NW NW NW  W NW
WIND SPD       2  5 13 16 14 11 10  6  9  5  5 11 20 19 14 13 14 13 20 23 20 18
CLOUDS        B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 SC SC SC SC SC SC
POP 12HR                     70          70          60          20          20
QPF 12HR                   0.38        0.41        0.35        0.01           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS     S  C  C  C  L  L  C  C  L  C  C  L  C  S  S        S  S  S  S
TSTMS          S  S  S  S  S  S  S  S  S  S  S  S  S
WIND CHILL                                                    35 34
MIN CHILL                                                        32    34


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

MIN/MAX          34    55      35    58      35    57      37    57
TEMP          41 35 51 52   40 36 54 55   41 36 53 54   42 38 53 55
DEWPT         25 26 22 22   27 28 27 25   26 27 27 27   29 31 32 33
PWIND DIR         W    NW      NW    NW       N     N      NE     E
WIND CHAR        GN    BZ      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC SC FW SC   SC SC FW FW   SC FW SC SC   SC B1 B1 B2
POP 12HR         10     5      10    10      10    10      20    30
RAIN SHWRS                                               S  S  C  C

$$
IAZ004-182200-
ESTHERVILLE-EMMET IA
43.40N  94.75W ELEV. 1315 FT
359 AM CDT SAT APR 18 2015

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

MAX/MIN                      69          53          60          36          50
TEMP          51 51 62 69 66 62 59 57 55 53 55 58 60 56 48 44 38 37 42 45 50 46
DEWPT         37 40 42 47 51 55 55 54 53 52 52 49 42 39 37 36 33 31 31 28 25 25
RH            59 66 48 45 58 78 87 90 93 96 90 72 51 53 65 73 82 79 65 51 37 43
WIND DIR      NE  E  E SE SE SE SE SE  S  S NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD       9  8 17 19 19 17 14 12  9  8 14 23 26 21 16 16 17 17 24 27 27 24
WIND GUST                                         36
CLOUDS        B1 B2 B2 OV OV OV OV OV OV OV OV OV B2 B1 B1 B1 SC SC B1 B1 B1 B1
POP 12HR                     70          70          60          10          30
QPF 12HR                   0.29        0.46        0.08           0        0.02
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS              S  L  L  C  C  L  L  C  S                 C  C  C  C
TSTMS                   S  S  S  S  S  S  S  S
WIND CHILL                                                 37 29 27 32 35    38
MIN CHILL                                                  36    26    27    36


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

MIN/MAX          31    53      31    55      31    55      34    55
TEMP          38 32 49 50   36 32 51 52   37 32 51 52   39 35 51 52
DEWPT         26 24 20 20   26 24 24 18   24 22 23 23   26 27 28 30
PWIND DIR        NW    NW      NW    NW       N     N      NE     E
WIND CHAR        BZ    BZ      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1 SC SC SC   SC SC FW FW   FW FW FW FW   SC SC B1 B1
POP 12HR         10    10      10    10       5     5      10    20
RAIN SHWRS                                                     S  S

$$
IAZ035-182200-
FORT DODGE-WEBSTER IA
42.55N  94.18W ELEV. 1165 FT
359 AM CDT SAT APR 18 2015

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

MAX/MIN                      69          54          61          38          52
TEMP          55 54 65 69 67 63 61 58 56 54 56 61 57 55 49 46 41 38 46 48 52 50
DEWPT         45 45 49 53 56 56 55 54 53 52 53 52 47 42 39 37 34 32 33 30 28 25
RH            69 71 56 57 68 78 81 86 90 93 90 72 69 61 68 71 76 79 60 49 39 37
WIND DIR       E  E  E SE SE SE SE SE SE  S SW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD       6  9 16 17 16 13 12 10  6  6  6 14 21 19 14 13 13 13 21 24 23 20
CLOUDS        B2 B2 OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 SC SC SC B1 B1 B1
POP 12HR                     70          70          70          10          20
QPF 12HR                   0.39        0.47        0.23           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        S  C  C  L  L  C  C  C  C  L  C  S              S  S  S  S
TSTMS             S  S  S  S  S  S  S  S  S  S  S
WIND CHILL                                                    33 30 37
MIN CHILL                                                  39    30    32


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

MIN/MAX          34    55      34    57      34    57      36    56
TEMP          40 35 51 52   39 35 53 54   40 35 53 54   41 37 52 54
DEWPT         25 24 22 22   26 25 28 24   25 24 26 25   29 29 31 31
PWIND DIR        NW    NW      NW    NW       N     N      NE     E
WIND CHAR        GN    BZ      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC SC SC SC   SC SC FW FW   SC FW FW SC   B1 B1 B1 B1
POP 12HR         10    10      10    10       5    10      20    20
RAIN SHWRS                                               S  S  S  S

$$
IAZ094-182200-
LAMONI-DECATUR IA
40.63N  93.90W ELEV. 1125 FT
359 AM CDT SAT APR 18 2015

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

MAX/MIN                      71          57          64          42          57
TEMP          63 58 69 71 68 67 64 60 58 57 60 64 62 56 53 50 45 42 51 56 57 55
DEWPT         54 54 57 59 57 57 57 55 55 54 55 56 54 49 43 39 37 35 36 34 31 29
RH            72 86 66 66 68 70 78 84 90 90 84 75 75 77 69 66 73 76 56 43 37 37
WIND DIR      SE  E SE SE SE  S SE SE NE SE  N NW NW NW NW NW NW NW NW NW  W NW
WIND SPD       5  5 10 11 12  9  6  5  5  5  5 11 18 17 13 13 13 13 19 21 21 16
CLOUDS        OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 SC FW FW SC SC SC
POP 12HR                     70          70          70          20          10
QPF 12HR                   0.64        0.24        0.56        0.02           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS     S  S  C  L  L  C  C  L  L  L  L  L  L  S  S
TSTMS          S  S  S  S  S  S  S  S  S  S  S  S  S
WIND CHILL                                                    39 35
MIN CHILL                                                        35    37


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

MIN/MAX          36    58      40    61      40    59      42    59
TEMP          44 37 54 56   44 41 57 58   45 41 56 57   46 43 56 57
DEWPT         27 24 26 27   27 31 37 36   33 31 35 33   35 36 39 40
PWIND DIR         W     W       W     W       N    NE       E     E
WIND CHAR        GN    BZ      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC FW FW FW   SC SC SC SC   SC SC B1 B1   B1 B1 B2 B2
POP 12HR          5     5      10    10      20    20      30    30
RAIN SHWRS                                 S  S  S  S    C  C  C  C

$$
IAZ017-182200-
MASON CITY-CERRO GORDO IA
43.16N  93.33W ELEV. 1189 FT
359 AM CDT SAT APR 18 2015

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

MAX/MIN                      71          51          60          37          49
TEMP          53 51 63 71 68 62 57 54 53 51 54 60 59 53 48 45 39 37 43 44 49 45
DEWPT         42 41 42 45 49 53 53 51 50 50 53 54 48 45 40 39 35 33 33 31 28 28
RH            66 68 46 39 51 72 86 90 89 96 96 81 67 74 74 79 85 85 67 60 44 51
WIND DIR      NE  E  E SE SE SE SE SE SE SE  S  W NW NW NW NW NW NW NW NW  W NW
WIND SPD       5  8 16 18 18 13 16 14 12 10  8 11 19 18 14 17 17 17 21 25 24 23
CLOUDS        B1 B1 B2 B2 OV OV OV OV OV OV OV OV OV OV B2 B1 SC SC B1 B1 B1 B1
POP 12HR                     60          70          60          20          30
QPF 12HR                   0.10        0.54        0.25        0.01        0.02
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS              S  C  L  L  L  L  L  C  C  C  S  S        C  C  C  C
TSTMS                   S  S  S  S  S  S  S  S  S
WIND CHILL                                                 38 30 27 34 35    36
MIN CHILL                                                  38    27    28    36


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

MIN/MAX          32    52      31    54      31    54      34    55
TEMP          37 33 48 49   36 32 50 51   37 32 50 51   39 35 51 52
DEWPT         27 26 23 22   27 25 24 22   25 23 23 23   26 27 28 30
PWIND DIR        NW    NW      NW    NW      NW    NW      NE     E
WIND CHAR        BZ    BZ      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1 B1 SC SC   SC SC FW SC   SC FW FW FW   SC SC SC B1
POP 12HR         10    10      10    10       5    10      10    20
RAIN SHWRS                                                     S  S

$$
IAZ049-182200-
MARSHALLTOWN-MARSHALL IA
42.11N  92.91W ELEV. 972 FT
359 AM CDT SAT APR 18 2015

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

MAX/MIN                      72          53          63          40          53
TEMP          57 54 67 71 71 64 61 58 55 53 58 63 62 55 50 47 42 41 48 51 53 49
DEWPT         48 49 52 53 55 57 56 55 54 51 55 55 54 50 44 40 38 35 35 33 31 29
RH            72 83 59 53 57 78 84 90 96 93 90 75 75 83 80 76 86 79 60 50 43 46
WIND DIR       E  E  E SE SE SE  E  E  E SE SE NW  N NW NW NW NW NW NW NW  W  W
WIND SPD       8  6 13 17 17 12 12 12  8  8  6 10 17 17 14 14 14 14 21 25 23 19
CLOUDS        B2 B2 B2 OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 SC SC SC SC SC
POP 12HR                     60          70          70          30          20
QPF 12HR                   0.19        0.45        0.38        0.05           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        S  C  C  L  L  L  L  L  L  C  L  L  C  C        S  S  S  S
TSTMS             S  S  S  S  S  S  S  S  S  S  S  S
WIND CHILL                                                    34 33
MIN CHILL                                                        32    34


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

MIN/MAX          34    54      34    57      34    56      36    56
TEMP          40 35 50 51   39 35 53 54   40 35 52 53   41 37 52 54
DEWPT         27 27 24 23   27 27 28 26   26 25 27 26   29 31 32 33
PWIND DIR         W    NW      NW    NW      NW     N      NE     E
WIND CHAR        GN    BZ      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC SC SC SC   SC SC FW SC   SC SC SC SC   SC B1 B1 B2
POP 12HR         10     5      10    10      10    10      20    20
RAIN SHWRS                                               S  S  S  S

$$
IAZ086-182200-
OTTUMWA-WAPELLO IA
41.11N  92.45W ELEV. 836 FT
359 AM CDT SAT APR 18 2015

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

MAX/MIN                      74          56          66          42          56
TEMP          60 58 66 71 74 67 63 59 56 56 61 66 65 58 53 50 45 43 51 54 56 52
DEWPT         52 54 58 57 56 57 57 56 55 54 56 57 55 52 47 43 40 38 38 35 33 31
RH            75 86 75 61 53 70 81 90 96 93 84 73 70 80 80 77 82 82 61 48 42 44
WIND DIR       E  E SE SE SE  S  E  E  E SE  E  N NW NW NW NW NW NW NW  W  W  W
WIND SPD       5  5 10 13 17 10  9  6  8  5  5  9 11 12 14 13 14 14 19 21 21 17
CLOUDS        B2 B2 B2 OV OV OV B2 OV B2 OV OV OV OV OV OV B2 B1 SC SC SC SC SC
POP 12HR                     60          60          80          40          10
QPF 12HR                   0.17        0.27        0.55        0.07           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS     S  C  C  C  C  L  C  L  L  L  C  D  L  C  C
TSTMS          S  S  S  S  S  S  S  S  S  S  S  S  S
WIND CHILL                                                    38 36
MIN CHILL                                                        34    37


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

MIN/MAX          36    57      36    59      36    59      39    57
TEMP          43 37 53 54   41 37 55 56   42 37 55 56   44 40 54 55
DEWPT         28 27 25 26   25 29 31 31   30 29 32 31   31 33 37 38
PWIND DIR         W     W       W    NW       N     N      NE     E
WIND CHAR        GN    BZ      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC FW FW FW   SC SC SC SC   SC SC B1 SC   B1 B1 B1 B2
POP 12HR         10     5      10    10      20    10      20    20
RAIN SHWRS                                 S  S          S  S  S  S

$$



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