Wyoming Fire Weather Zone 259

...RED FLAG WARNING FROM NOON MDT /100 PM CDT/ TODAY TO
600 PM MDT /700 PM CDT/ THIS EVENING FOR LOW RELATIVE HUMIDITY AND GUSTY WEST TO NORTHWEST WINDS FOR SOUTH DAKOTA FIRE WEATHER ZONE 265... .DISCUSSION...A LOW PRESSURE SYSTEM TO THE NORTH OF THE AREA WILL BRING GUSTY WINDS AND DRY AIR TO THE AREA TODAY. WEST TO NORTHWEST WINDS OF 15 TO 30 MPH...WITH HIGHER GUSTS...CAN BE EXPECTED FROM NORTHWEST INTO SOUTH CENTRAL SD. THE DRY AIR AND MILD TEMPERATURES WILL ALLOW RELATIVE HUMIDITIES TO DROP TO NEAR 15 PERCENT ACROSS SOUTH CENTRAL SOUTH DAKOTA...WITH MINIMUM VALUES RANGING FROM AROUND 20 PERCENT TO 25 PERCENT ELSEWHERE. THE COMBINATION OF WIND AND LOW HUMIDITY WILL LIKELY RESULT IN A PERIOD OF CRITICAL FIRE WEATHER CONDITIONS DURING THE AFTERNOON OVER SOUTH DAKOTA FIRE ZONE 265. THE GRASSLAND FIRE DANGER INDEX WILL BE IN THE EXTREME CATEGORY ACROSS MOST OF THE WESTERN AND SOUTH CENTRAL SOUTH DAKOTA PLAINS. CONDITIONS WILL IMPROVE BY EARLY EVENING. DRY AND MILD WEATHER WILL CONTINUE INTO FRIDAY. A LARGE STORM SYSTEM WILL MOVE INTO THE REGION OVER THE WEEKEND...BRINGING WET AND COOLER WEATHER...ALONG WITH WINDY CONDITIONS AT TIMES. MUCH OF THE AREA WILL LIKELY SEE BENEFICIAL AMOUNTS OF PRECIPITATION...MOSTLY RAINFALL... FROM LATE SATURDAY INTO EARLY NEXT WEEK. SOUTHERN CAMPBELL- INCLUDING THE CITIES OF...WRIGHT 445 AM MDT THU APR 24 2014 .TODAY... SKY/WEATHER.........MOSTLY SUNNY. CHC OF WETTING RAIN.0 PERCENT. LAL.................1. MAX TEMPERATURE.....AROUND 59. MIN HUMIDITY........23 PERCENT. 20-FOOT WINDS.......WEST 10 TO 20 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TRANSPORT WINDS.....WEST 20 TO 25 MPH. SMOKE DISPERSAL.....EXCELLENT. MIXING HEIGHT.......5700 TO 7200 FT AGL. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY. CHC OF WETTING RAIN.0 PERCENT. LAL.................1. MIN TEMPERATURE.....AROUND 34. MAX HUMIDITY........85-92 PERCENT. 20-FOOT WINDS.......WEST UP TO 15 MPH. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TRANSPORT WINDS.....WEST AROUND 15 MPH DECREASING TO AROUND 5 MPH AFTER MIDNIGHT. SMOKE DISPERSAL.....POOR. MIXING HEIGHT.......200 TO 300 FT AGL. .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY. CHC OF WETTING RAIN.0 PERCENT. LAL.................1. MAX TEMPERATURE.....AROUND 66. MIN HUMIDITY........27 PERCENT. 20-FOOT WINDS.......SOUTH UP TO 10 MPH INCREASING TO 15 TO 20 MPH IN THE AFTERNOON. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH INCREASING TO SOUTH AROUND 20 MPH IN THE AFTERNOON. SMOKE DISPERSAL.....EXCELLENT. MIXING HEIGHT.......6300 TO 7900 FT AGL. .FORECAST DAYS 3 THROUGH 7... .SATURDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS AROUND 40. HIGHS IN THE MID 60S. SOUTHEAST WINDS 15 TO 20 MPH. .SUNDAY...COOLER...BREEZY. SHOWERS LIKELY AND ISOLATED THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 40S. NORTHEAST WINDS 15 TO 25 MPH. .MONDAY...WINDY. MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE MID 40S. NORTHWEST WINDS 20 TO 30 MPH. .TUESDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW. LOWS AROUND 30. HIGHS IN THE UPPER 40S. .WEDNESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW. LOWS AROUND 30. HIGHS IN THE LOWER 50S.
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