Wyoming Fire Weather Zone 298

.DISCUSSION...A WARM DAY IS ON TAP ACROSS THE AREA...WITH HIGHS
MOSTLY IN THE 70S AND LOWER 80S. BREEZY SOUTH TO SOUTHWEST WINDS WILL DEVELOP ACROSS THE AREA BY THE AFTERNOON...ESPECIALLY ACROSS SOUTH CENTRAL SOUTH DAKOTA...AHEAD OF AN APPROACHING COLD FRONT. THE GRASSLAND FIRE DANGER INDEX WILL BE IN THE EXTREME CATEGORY THIS AFTERNOON ACROSS MUCH OF THE SOUTHWEST AND SOUTH CENTRAL SOUTH DAKOTA PLAINS. THE FRONT WILL MOVE THROUGH THE AREA LATE TODAY AND THIS EVENING...SWITCHING WINDS TO THE NORTHWEST AND BRINGING A CHANCE FOR SHOWERS AND THUNDERSTORMS. THE BEST CHANCES FOR PRECIPITATION WILL GENERALLY BE ACROSS NORTHWESTERN SOUTH DAKOTA. SATURDAY WILL BE SLIGHTLY COOLER AND BREEZY ACROSS THE PLAINS. LOWER ELEVATIONS OF CROOK AND WESTON COUNTIES- INCLUDING THE CITIES OF...COLONY...MOORCROFT...NEWCASTLE...UPTON 508 AM MDT FRI APR 18 2014 .TODAY... SKY/WEATHER.........MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER 1200. CHC OF WETTING RAIN.5 PERCENT. LAL.................1 UNTIL 1200...THEN 2. MAX TEMPERATURE.....AROUND 73. MIN HUMIDITY........24-30 PERCENT. 20-FOOT WINDS.......BREEZY. SOUTH 10 TO 15 MPH SHIFTING TO THE SOUTHWEST 15 TO 25 MPH IN THE AFTERNOON. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TRANSPORT WINDS.....SOUTH AROUND 15 MPH SHIFTING TO THE SOUTHWEST IN THE AFTERNOON. SMOKE DISPERSAL.....VERY GOOD. MIXING HEIGHT.......4100 TO 5200 FT AGL. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400...THEN PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS UNTIL 2400. CHC OF WETTING RAIN.10 PERCENT. LAL.................2 UNTIL 2400...THEN 1. MIN TEMPERATURE.....AROUND 37. MAX HUMIDITY........80-86 PERCENT. 20-FOOT WINDS.......NORTHWEST 5 TO 15 MPH. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH. SMOKE DISPERSAL.....POOR. MIXING HEIGHT.......100 TO 200 FT AGL. .SATURDAY... SKY/WEATHER.........SUNNY. CHC OF WETTING RAIN.0 PERCENT. LAL.................1. MAX TEMPERATURE.....AROUND 64. MIN HUMIDITY........26 PERCENT. 20-FOOT WINDS.......NORTHWEST 10 TO 15 MPH SHIFTING TO THE SOUTHWEST IN THE AFTERNOON. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TRANSPORT WINDS.....WEST AROUND 10 MPH. SMOKE DISPERSAL.....GOOD. MIXING HEIGHT.......4100 TO 5200 FT AGL. .FORECAST DAYS 3 THROUGH 7... .SUNDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS AROUND 70. SOUTH WINDS 5 TO 10 MPH. .MONDAY...PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 60S. NORTHEAST WINDS 5 TO 10 MPH. .TUESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS 10 TO 15 MPH. .WEDNESDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE MID 60S. .THURSDAY...COOLER. MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S.
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