South Dakota Fire Weather Zone 256

.DISCUSSION...
LOW PRESSURE CURRENTLY SITUATED BETWEEN SIOUX FALLS AND SIOUX CITY WILL MOVE QUICKLY EASTWARD THIS EVENING. TO THE NORTH OF THIS LOW... RAIN AND SNOW WILL BE FOUND...AND WHERE THE PRECIPITATION IS THE HEAVIEST...IT WILL BE IN THE FORM OF SNOW WHICH WILL COME DOWN HEAVILY FOR AN HOUR OR SO LATE THIS AFTERNOON ALONG THE I 90 CORRIDOR AND IN FAR NORTHWEST IOWA. ACCUMULATIONS WILL BE MINIMAL WITH THIS BAND OF SNOW HOWEVER. FURTHER NORTH FROM THE HURON TO MARSHALL CORRIDOR... SNOW DID STICK TO THE GROUND WHICH WILL GIVE SOME MUCH NEEDED MOISTURE FOR THOSE AREAS. WITH LIGHT WINDS AND SOME WET GROUND...THE GRASSLAND FIRE DANGER INDEX WILL ONLY BE IN THE LOW TO MODERATE CATEGORY ON THURSDAY...BUT COULD WORSEN TO THE VERY HIGH CATEGORY ON FRIDAY AFTERNOON WEST OF I 29 AS A SOUTHEAST FLOW OF AIR BECOMES QUITE BREEZY. THE NEXT DECENT CHANCE FOR RAIN AND A FEW THUNDERSTORMS WILL BE IN NORTHWEST IOWA SATURDAY NIGHT AND/OR EARLY SUNDAY. MIDDLE JAMES RIVER VALLEY- 423 PM CDT WED APR 16 2014 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. MIN TEMPERATURE.....20-25. MAX HUMIDITY........85-90 PERCENT. 20-FOOT WINDS.......BREEZY. NORTH WINDS 20 TO 25 MPH WITH GUSTS TO AROUND 32 MPH DECREASING TO 6 TO 11 MPH AFTER EVENING. PRECIPITATION.......NONE. .THURSDAY... SKY/WEATHER.........PARTLY SUNNY UNTIL 1300...THEN PARTLY CLOUDY. MAX TEMPERATURE.....42-47. MIN HUMIDITY........40-45 PERCENT. 20-FOOT WINDS.......NORTH WINDS 5 TO 9 MPH SHIFTING TO THE EAST IN THE AFTERNOON. HAINES INDEX........4 OR LOW. HOURS OF SUN........7 HOURS. PRECIPITATION.......NONE. MIXING HEIGHT.......AROUND 2600 FT AGL (AVE 12-6 PM). TRANSPORT WINDS.....NORTHEAST AROUND 4 MPH (AVE 12-6 PM). SMOKE DISPERSAL.....AROUND 15000 OR FAIR (AVE 12-6 PM). MAX GFDI INDEX......LOW. REF EVAPO TRANSP....0.10 TO 0.12 INCHES (20 INCH PLANT CANOPY). .THURSDAY NIGHT... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. CHANCE OF RAIN 20 PERCENT. MIN TEMPERATURE.....31-36. MAX HUMIDITY........82-87 PERCENT. 20-FOOT WINDS.......SOUTHEAST WINDS 10 TO 15 MPH. PRECIPITATION.......ISOLATED TRACE TO 0.05 INCH AMOUNTS. .FRIDAY... SKY/WEATHER.........PARTLY SUNNY UNTIL 1300...THEN PARTLY CLOUDY. MAX TEMPERATURE.....61-66. MIN HUMIDITY........43-48 PERCENT. 20-FOOT WINDS.......BREEZY. SOUTHEAST WINDS 20 TO 25 MPH WITH GUSTS TO AROUND 35 MPH. HAINES INDEX........4 OR LOW. HOURS OF SUN........6 HOURS. PRECIPITATION.......NONE. MIXING HEIGHT.......AROUND 2700 FT AGL (AVE 12-6 PM). TRANSPORT WINDS.....SOUTHEAST AROUND 31 MPH (AVE 12-6 PM). SMOKE DISPERSAL.....AROUND 69000 OR EXCELLENT (AVE 12-6 PM). MAX GFDI INDEX......VERY HIGH. REF EVAPO TRANSP....0.16 TO 0.19 INCHES (20 INCH PLANT CANOPY). .FORECAST DAYS 3 THROUGH 7... .FRIDAY NIGHT...NOT AS COOL. MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 45 TO 50. SOUTH WINDS 16 TO 21 MPH WITH GUSTS TO AROUND 31 MPH. CHANCE OF RAIN 20 PERCENT. .SATURDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. HIGHS 65 TO 70. WEST WINDS 11 TO 16 MPH WITH GUSTS TO AROUND 25 MPH. CHANCE OF SHOWERS 20 PERCENT. .SATURDAY NIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. LOWS 40 TO 45. NORTHWEST WINDS 5 TO 10 MPH. CHANCE OF SHOWERS 20 PERCENT. .SUNDAY...MOSTLY SUNNY. HIGHS 65 TO 70. NORTHEAST WINDS 5 TO 8 MPH. .SUNDAY NIGHT...MOSTLY CLEAR. LOWS 40 TO 45. SOUTHEAST WINDS 5 TO 8 MPH. .MONDAY...MOSTLY SUNNY. HIGHS 70 TO 75. SOUTHWEST WINDS 7 TO 12 MPH. .MONDAY NIGHT...PARTLY CLOUDY. LOWS 45 TO 50. SOUTH WINDS 6 TO 11 MPH. .TUESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. HIGHS 70 TO 75. SOUTHEAST WINDS 13 TO 18 MPH WITH GUSTS TO AROUND 28 MPH. CHANCE OF PRECIPITATION 20 PERCENT. .TUESDAY NIGHT...MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS 50 TO 55. SOUTHEAST WINDS 13 TO 18 MPH WITH GUSTS TO AROUND 28 MPH. CHANCE OF PRECIPITATION 40 PERCENT. .WEDNESDAY...PARTLY CLOUDY. HIGHS 75 TO 80. SOUTH WINDS 16 TO 21 MPH WITH GUSTS TO AROUND 32 MPH.
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