South Dakota Fire Weather Zone 257

...MILD TEMPERATURES CONTINUING THIS WEEK...
.DISCUSSION... A MILD WEATHER PATTERN WILL REMAIN IN PLACE ACROSS THE REGION THROUGH THE WEEK AHEAD...AND INTO THE UPCOMING WEEKEND. DAYTIME TEMPERATURES WILL GENERALLY BE 10 TO 15 DEGREES ABOVE SEASONAL NORMALS...WITH HIGHS IN THE 60S AND 70S EXPECTED. STRONGER WINDS WILL ACCOMPANY THE WARMTH TUESDAY...WITH WIND OF 20 TO 30 MPH COMBINING WITH MINIMUM HUMIDITY LEVELS IN THE 30S PERCENT ALONG AND WEST OF A TYNDALL SOUTH DAKOTA TO DE SMET SOUTH DAKOTA LINE TUESDAY AFTERNOON. THIS WILL LEAD TO A VERY HIGH GRASSLAND FIRE DANGER IN THESE AREAS ON TUESDAY. STRONG SOUTHERLY WINDS WILL EXPAND EASTWARD ACROSS THE AREA ON WEDNESDAY. HOWEVER INCREASING HUMIDITY LEVELS AND PRECIPITATION CHANCES WILL KEEP THE FIRE DANGER IN CHECK. DRY WEATHER WILL THEN RETURN THURSDAY THROUGH THE WEEKEND. MIDDLE BIG SIOUX RIVER VALLEY- 433 PM CDT MON OCT 20 2014 .TONIGHT... SKY/WEATHER.........CLEAR. MIN TEMPERATURE.....40-45. MAX HUMIDITY........80-85 PERCENT. 20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHEAST 5 TO 8 MPH. PRECIPITATION.......NONE. .TUESDAY... SKY/WEATHER.........SUNNY. MAX TEMPERATURE.....66-71. MIN HUMIDITY........40-45 PERCENT. 20-FOOT WINDS.......SOUTHEAST WINDS 13 TO 18 MPH. GUSTS UP TO 31 MPH IN THE AFTERNOON. HAINES INDEX........5 OR MODERATE. HOURS OF SUN........11 HOURS. PRECIPITATION.......NONE. MIXING HEIGHT.......AROUND 2700 FT AGL (AVE 12-6 PM). TRANSPORT WINDS.....SOUTH AROUND 22 MPH (AVE 12-6 PM). SMOKE DISPERSAL.....AROUND 51000 OR GOOD (AVE 12-6 PM). MAX GFDI INDEX......HIGH. REF EVAPO TRANSP....0.19 TO 0.24 INCHES (20 INCH PLANT CANOPY). .TUESDAY NIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....45-50. MAX HUMIDITY........85-90 PERCENT. 20-FOOT WINDS.......SOUTHEAST WINDS 12 TO 17 MPH WITH GUSTS TO AROUND 27 MPH. PRECIPITATION.......NONE. .WEDNESDAY... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS UNTIL 1200...THEN RAIN SHOWERS LIKELY AND ISOLATED THUNDERSTORMS. CHANCE OF PRECIPITATION 70 PERCENT. MAX TEMPERATURE.....61-66. MIN HUMIDITY........60-65 PERCENT. 20-FOOT WINDS.......SOUTH WINDS 16 TO 21 MPH WITH GUSTS TO AROUND 31 MPH. HAINES INDEX........5 OR MODERATE. HOURS OF SUN........1 HOURS. PRECIPITATION.......AREAS OF 0.20 TO 0.30 INCH AMOUNTS. MIXING HEIGHT.......AROUND 2600 FT AGL (AVE 12-6 PM). TRANSPORT WINDS.....SOUTH AROUND 24 MPH (AVE 12-6 PM). SMOKE DISPERSAL.....AROUND 53000 OR GOOD (AVE 12-6 PM). MAX GFDI INDEX......MODERATE TO HIGH. REF EVAPO TRANSP....0.10 TO 0.15 INCHES (20 INCH PLANT CANOPY). .FORECAST DAYS 3 THROUGH 7... .WEDNESDAY NIGHT...MOSTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS 45 TO 50. SOUTH WINDS 11 TO 16 MPH WITH GUSTS TO AROUND 25 MPH. CHANCE OF SHOWERS 50 PERCENT. .THURSDAY...MOSTLY SUNNY. HIGHS 65 TO 70. SOUTHWEST WINDS 5 TO 6 MPH. .THURSDAY NIGHT...MOSTLY CLEAR. LOWS 40 TO 45. SOUTH WINDS 5 TO 6 MPH. .FRIDAY...PARTLY CLOUDY. HIGHS 70 TO 75. SOUTHWEST WINDS 5 TO 7 MPH. .FRIDAY NIGHT...MOSTLY CLEAR. LOWS 40 TO 45. NORTHWEST WINDS 5 TO 7 MPH. .SATURDAY...MOSTLY SUNNY. HIGHS 65 TO 70. SOUTHEAST WINDS 5 TO 9 MPH. .SATURDAY NIGHT...MOSTLY CLEAR. LOWS 45 TO 50. SOUTHEAST WINDS 7 TO 12 MPH. .SUNDAY...PARTLY CLOUDY. HIGHS 65 TO 70. SOUTH WINDS 11 TO 16 MPH WITH GUSTS TO AROUND 24 MPH. .SUNDAY NIGHT...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 45 TO 50. WEST WINDS 6 TO 11 MPH. CHANCE OF RAIN 20 PERCENT. .MONDAY...COOLER. PARTLY SUNNY. CHANCE OF RAIN. HIGHS 55 TO 60. NORTHWEST WINDS 12 TO 17 MPH WITH GUSTS TO AROUND 26 MPH. CHANCE OF RAIN 30 PERCENT.
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