Wyoming Fire Weather Zone 300

...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING...
...HIGH WIND WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... ...HIGH WIND WARNING IN EFFECT UNTIL 6 PM MDT THIS EVENING... .DISCUSSION... ...YELLOWSTONE NP AND TETON DISPATCH AREAS (INCLUDES FIRE WEATHER ZONES 140...414...415...AND 416)... AN UPPER LEVEL DISTURBANCE AND APPROACHING COLD FRONT WILL BRING THE CHANCE OF SHOWERS OR ISOLATED THUNDERSTORMS THIS AFTERNOON AND EVENING... ALONG WITH VERY GUSTY WINDS. COOLER AND LESS WINDY CONDITIONS ARE EXPECTED ON SUNDAY AND MONDAY AS HIGH PRESSURE BUILDS BACK OVER THE AREA. ...RAWLINS DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 277...278... AND 279)... AN UPPER LEVEL DISTURBANCE AND ASSOCIATED COLD FRONT WILL MOVE THROUGH TODAY WITH NO PRECIPITATION. HOWEVER...THE COMBINATION OF LOW RELATIVE HUMIDITY AND A GUSTY WEST TO SOUTHWEST WIND WILL BRING ELEVATED FIRE DANGER THIS AFTERNOON AND EVENING. CONDITIONS SHOULD IMPROVE ON SUNDAY AND MONDAY WITH COOLER TEMPERATURES AND LESS WIND. ...CODY DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 275...276... 282...283...285...286...287...288...AND 289)... AN UPPER LEVEL DISTURBANCE AND ASSOCIATED COLD FRONT WILL MOVE THROUGH TODAY. OTHER THAN A SPOTTY SHOWER OR THUNDERSTORM THIS AFTERNOON AND EARLY EVENING IN NORTHERN PORTIONS OF THE DISPATCH AREA...THE PASSAGE OF THE FRONT IS EXPECTED TO BE MOSTLY DRY. HOWEVER...THE COMBINATION OF LOW RELATIVE HUMIDITY AND A GUSTY WEST TO SOUTHWEST WIND...WITH GUSTS AS HIGH AS 55 MPH... WILL BRING ELEVATED FIRE DANGER THIS AFTERNOON AND EVENING. AS A RESULT THE RED FLAG WARNING WILL CONTINUE ACROSS DISPATCH ZONE 283. CONDITIONS SHOULD IMPROVE ON SUNDAY WITH COOLER TEMPERATURES AND LESS WIND. ...CASPER DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 280...281... 285...289...AND 300)... AN UPPER LEVEL DISTURBANCE AND ASSOCIATED COLD FRONT WILL MOVE THROUGH TODAY. OTHER THAN A SPOTTY SHOWER OR ISOLATED THUNDERSTORM IN THE HIGHER ELEVATIONS...THE PASSAGE IS EXPECTED TO BE MOSTLY DRY. HOWEVER...THE COMBINATION OF LOW RELATIVE HUMIDITY AND A GUSTY WEST TO SOUTHWEST WIND WILL BRING ELEVATED FIRE DANGER THIS AFTERNOON AND EVENING. AS A RESULT THE RED FLAG WARNING WILL CONTINUE ACROSS DISPATCH ZONES 280 AND 281. CONDITIONS SHOULD IMPROVE ON SUNDAY WITH COOLER TEMPERATURES AND LESS WIND. ...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS... ...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT... CASPER MOUNTAIN- 304 PM MDT SAT MAR 28 2015 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY. MIN TEMPERATURE.....30-35. 24 HR TREND......7 DEGREES COOLER. MAX HUMIDITY........71-77 PERCENT. 24 HR TREND......2 PERCENT WETTER. HUMIDITY RECOVERY...EXCELLENT. 20-FOOT WINDS.......WINDY. WEST WINDS 25 TO 30 MPH WITH GUSTS TO AROUND 40 MPH UNTIL 2400...THEN NORTHWEST 15 TO 20 MPH WITH GUSTS TO AROUND 30 MPH. RIDGE TOP WINDS.....WEST AROUND 40 MPH UNTIL 2100. NORTHWEST AROUND 20 MPH AFTER 0300. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. TRANSPORT WINDS.....WEST 35 TO 40 MPH UNTIL 2400. NORTHWEST AROUND 20 MPH AFTER 0300. MIXING HEIGHT.......9500-10500 FT AGL UNTIL 2100. 1000-1500 FT AGL AFTER 0300. SMOKE DISPERSAL.....EXCELLENT (328000-338000 KNOT-FT) UNTIL 2100. POOR (18000-22000 KNOT-FT) AFTER 0300. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .SUNDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....52-57. 24 HR TREND......9 DEGREES COOLER. MIN HUMIDITY........20-26 PERCENT. 24 HR TREND......2 PERCENT DRIER. 20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH. GUSTS UP TO 15 MPH UNTIL 1200...THEN 25 MPH. RIDGE TOP WINDS.....WEST 15 TO 20 MPH UNTIL 1200...THEN 20 TO 25 MPH. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. TRANSPORT WINDS.....WEST 20 TO 25 MPH. MIXING HEIGHT.......1000-1500 FT AGL UNTIL 0900. 5500-6000 FT AGL AFTER 1500. SMOKE DISPERSAL.....FAIR TO GOOD (42000-62000 KNOT-FT) UNTIL 1500...THEN GOOD TO VERY GOOD (98000-102000 KNOT-FT). HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .SUNDAY NIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....31-36. 24 HR TREND......3 DEGREES WARMER. MAX HUMIDITY........55-61 PERCENT. 24 HR TREND......15 PERCENT DRIER. HUMIDITY RECOVERY...MODERATE. 20-FOOT WINDS.......WEST WINDS AROUND 15 MPH AND GUSTY UNTIL 2100...THEN NORTH WITH GUSTS TO AROUND 15 MPH UNTIL 2400...THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH. RIDGE TOP WINDS.....WEST AROUND 15 MPH UNTIL 2100...THEN NORTH UNTIL 2400...THEN EAST UNTIL 0300...THEN SOUTHWEST. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. TRANSPORT WINDS.....WEST AROUND 20 MPH UNTIL 2100...THEN NORTH UNTIL 2400...THEN EAST UNTIL 0300...THEN SOUTHWEST. MIXING HEIGHT.......5500-6000 FT AGL UNTIL 2100...THEN 1500-2000 FT AGL. SMOKE DISPERSAL.....GOOD TO VERY GOOD (98000-102000 KNOT-FT) UNTIL 2100...THEN POOR (16000-36000 KNOT-FT). HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .MONDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....56-61. 24 HR TREND......3 DEGREES WARMER. MIN HUMIDITY........21-27 PERCENT. 24 HR TREND......1 PERCENT WETTER. 20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900...THEN WEST 10 TO 15 MPH WITH HIGHER GUSTS. RIDGE TOP WINDS.....WEST 10 TO 15 MPH UNTIL 1500...THEN AROUND 20 MPH. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. TRANSPORT WINDS.....WEST 15 TO 20 MPH. MIXING HEIGHT.......1500 FT AGL UNTIL 0900. 7000-8000 FT AGL AFTER 1500. SMOKE DISPERSAL.....POOR TO FAIR (24000-44000 KNOT-FT) UNTIL 1500...THEN VERY GOOD (102000-106000 KNOT-FT). HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 7...... .MONDAY NIGHT...CLEAR. LOWS IN THE MID 30S. WEST WINDS AROUND 10 MPH. .TUESDAY...PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID 60S. SOUTHWEST WINDS AROUND 20 MPH. .WEDNESDAY...COOLER. PARTLY CLOUDY WITH ISOLATED SNOW SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE UPPER 40S. WEST WINDS AROUND 15 MPH. .THURSDAY...CLOUDY WITH SCATTERED SNOW SHOWERS AND SHOWERS. LOWS IN THE LOWER 20S. HIGHS AROUND 40. NORTH WINDS AROUND 10 MPH. .FRIDAY...PARTLY CLOUDY. ISOLATED SHOWERS AND SNOW SHOWERS. LOWS IN THE MID 20S. HIGHS AROUND 40. .SATURDAY...MOSTLY SUNNY. HIGHS IN THE UPPER 40S.
View Complete Fire Weather Zones

Back to Fire Weather Page

USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.