Wyoming Fire Weather Zone 300

.DISCUSSION...
...YELLOWSTONE NP AND TETON DISPATCH AREAS (INCLUDES FIRE WEATHER ZONES 140...414...415...AND 416)... TODAY...HIGH TEMPERATURES COOLER AGAIN BY SOME 2 TO 5 DEGREES...WITH ANOTHER CHANCE FOR WETTING RAIN IN THE AFTERNOON...THOUGH NOT AS HIGH AS TONIGHT...WITH MORE LIGHTNING ACTIVITY. SHOWERS AND STORMS CONTINUE ON THURSDAY. THE COOLING TREND CONTINUES INTO THE WEEKEND WITH A WET COLD FRONT POSSIBLY MOVING THROUGH ON SATURDAY. ...RAWLINS DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 277...278... AND 279)... TODAY...HIGH TEMPERATURES WILL BE ABOUT THE SAME AS TODAY...WITH ANOTHER CHANCE FOR WETTING RAIN IN THE AFTERNOON...THOUGH NOT AS HIGH AS TONIGHT...WITH MORE LIGHTNING ACTIVITY...MAINLY ACROSS THE HIGHER ELEVATIONS. SHOWERS AND STORMS CONTINUE ON THURSDAY WITH A HIGHER CHANCE OF STORMS MOVING INTO THE LOWER ELEVATIONS. THE COOLING TREND CONTINUES INTO THE WEEKEND WITH A WET COLD FRONT POSSIBLY MOVING THROUGH ON SATURDAY. ...CODY DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 275...276... 282...283...285...286...287...288...AND 289)... TODAY...HIGH TEMPERATURES WILL FALL SOME 5 DEGREES AND RH LEVELS WILL RISE 5 TO 10 PERCENT...AS MOISTURE CONTINUES TO FLOW INTO THE REGION...KEEPING PRECIPITATION CHANCES AND RH VALUES RELATIVELY HIGH. SHOWERS AND STORMS CONTINUE ON THURSDAY. THE COOLING TREND CONTINUES INTO THE WEEKEND WITH A WET COLD FRONT POSSIBLY MOVING THROUGH ON SATURDAY. ...CASPER DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 280...281... 285...289...AND 300)... TODAY...TEMPERATURES DROP SOME 1 TO 5 DEGREES OVER THOSE OF TODAY. MINIMUM RH VALUES WILL RISE ACROSS ALL ZONES 5 TO 10 PERCENT AS MOISTURE CONTINUES TO FLOW INTO THE REGION...KEEPING PRECIPITATION CHANCES AND RH VALUES RELATIVELY HIGH. SHOWERS AND STORMS CONTINUE ON THURSDAY. THE COOLING TREND CONTINUES INTO THE WEEKEND WITH A WET COLD FRONT POSSIBLY MOVING THROUGH ON SATURDAY. ...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS... ...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT... CASPER MOUNTAIN- 327 AM MDT WED AUG 20 2014 .TODAY... SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200...THEN PARTLY CLOUDY. ISOLATED THUNDERSTORMS UNTIL 1200. SCATTERED RAIN SHOWERS. SCATTERED THUNDERSTORMS AFTER 1200. CHANCE OF PRECIPITATION 40 PERCENT. MAX TEMPERATURE.....74-79. 24 HR TREND......UNCHANGED. MIN HUMIDITY........24-30 PERCENT. 24 HR TREND......6 PERCENT WETTER. 20-FOOT WINDS.......WEST WINDS AROUND 20 MPH WITH GUSTS TO AROUND 30 MPH. RIDGE TOP WINDS.....SOUTHWEST 25 TO 30 MPH UNTIL 1200...THEN WEST AROUND 20 MPH. LAL.................3 UNTIL 1200...THEN 4. CHC OF WETTING RAIN.5 PERCENT. TRANSPORT WINDS.....SOUTHWEST AROUND 30 MPH UNTIL 0900...THEN WEST AROUND 20 MPH. MIXING HEIGHT.......3000-5500 FT AGL UNTIL 1200...THEN 7500-10000 FT AGL. SMOKE DISPERSAL.....GOOD (64000-84000 KNOT-FT) UNTIL 1200...THEN VERY GOOD (124000-144000 KNOT-FT). HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS UNTIL 2400. CHANCE OF PRECIPITATION 20 PERCENT. MIN TEMPERATURE.....51-56. 24 HR TREND......1 DEGREE COOLER. MAX HUMIDITY........65-71 PERCENT. 24 HR TREND......8 PERCENT DRIER. HUMIDITY RECOVERY...GOOD. 20-FOOT WINDS.......WEST WINDS AROUND 15 MPH AND GUSTY UNTIL 2100...THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2400...THEN SOUTHWEST AROUND 10 MPH WITH GUSTS TO AROUND 15 MPH. RIDGE TOP WINDS.....WEST AROUND 15 MPH UNTIL 2400...THEN NORTH UNTIL 0300...THEN SOUTH. LAL.................2 UNTIL 2400...THEN 1. CHC OF WETTING RAIN.ZERO PERCENT. TRANSPORT WINDS.....WEST AROUND 15 MPH UNTIL 2400...THEN NORTH UNTIL 0300...THEN SOUTH. MIXING HEIGHT.......4000-6500 FT AGL UNTIL 2400...THEN 0-500 FT AGL. SMOKE DISPERSAL.....GOOD (66000-86000 KNOT-FT) UNTIL 2400...THEN POOR (2000-4000 KNOT-FT). HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .THURSDAY... SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1200. CHANCE OF PRECIPITATION 20 PERCENT. MAX TEMPERATURE.....72-77. 24 HR TREND......2 DEGREES COOLER. MIN HUMIDITY........21-27 PERCENT. 24 HR TREND......4 PERCENT DRIER. 20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH. GUSTS UP TO 25 MPH UNTIL 1500...THEN 30 MPH. RIDGE TOP WINDS.....WEST 15 TO 20 MPH. LAL.................1 UNTIL 1200...THEN 3. CHC OF WETTING RAIN.LESS THAN 5 PERCENT. TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 0900...THEN WEST 20 TO 25 MPH. MIXING HEIGHT.......3000-5500 FT AGL UNTIL 1200...THEN 8000-10000 FT AGL. SMOKE DISPERSAL.....GOOD (72000-92000 KNOT-FT) UNTIL 1200...THEN EXCELLENT (156000-176000 KNOT-FT). HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 7...... .THURSDAY NIGHT...PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN ISOLATED SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 50S. WEST WINDS AROUND 10 MPH. .FRIDAY...MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS. LOWS AROUND 50. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 10 MPH. .SATURDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 60S. WEST WINDS AROUND 10 MPH. .SUNDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE LOWER 60S. NORTHWEST WINDS AROUND 10 MPH. .MONDAY THROUGH TUESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S.
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.