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Spot Forecast
Issued by NWS Billings, MT
Issued by NWS Billings, MT
369 FNUS75 KBYZ 151729 FWSBYZ Spot Forecast for Circle Bar...BLM National Weather Service Billings MT 1129 AM MDT Thu Aug 15 2024 Forecast is based on forecast start time of 1100 MDT on August 15. If conditions become unrepresentative...contact the National Weather Service. Please contact our office if you have questions or concerns with this forecast. .DISCUSSION... Upper air high pressure will bring mostly clear skies to the fire today and tonight. Friday will be warmer with lower minimum relative humidity and a 30% chance of showers and thunderstorms in the afternoon. Main hazards from the thunderstorms will be lightning and gusty, erratic winds. The chance of a wetting rain is low. .REST OF TODAY... Sky/weather.........Mostly sunny. CWR.................0 percent. LAL.................1...no thunderstorms. Max temperature.....81-85. Min humidity........23-27 percent. Wind (20 ft)........ Slope/valley.......North/northwest winds 8 to 12 mph. Ridgetop...........North/northwest 8-12 mph. Mixing height.......Increasing to 10400 ft AGL in the afternoon. Transport winds.....Northwest around 10 mph. Haines index........3. .TONIGHT... Sky/weather.........Mostly clear. CWR.................0 percent. LAL.................1...no thunderstorms. Min temperature.....56-60. Max humidity........67-71 percent. Wind (20 ft)........ Slope/valley.......Northeast winds 5 to 9 mph in the evening becoming light and variable overnight. Ridgetop...........Northeast winds 5 to 9 mph in the evening becoming light and variable overnight. Mixing height.......10400 ft AGL early in the evening decreasing to 500 ft AGL overnight. Transport winds.....East around 10 mph. .FRIDAY... Sky/weather.........Mostly sunny. Haze in the morning. Chance of showers and thunderstorms in the afternoon. CWR.................10 percent. LAL.................2...1 to 8 strikes/15 min/cell. Max temperature.....87-91. Min humidity........18-22 percent. Wind (20 ft)........ Slope/valley.......Light and variable before 9 AM MDT, then east/northeast 8-12 mph. Gusty and erratic winds expected near thunderstorms in the afternoon. Ridgetop...........Light and variable before 9 AM MDT, then east/northeast 8-12 mph. Mixing height.......500 ft AGL increasing to 11000 ft AGL in the afternoon. Transport winds.....East/southeast around 10 mph, becoming west/southwest around 5 mph in the afternoon. Haines index........3. $$ Forecaster...Setzenfand Requested by...Deklau Type of request...WILDFIRE .TAG 2420300.0/BYZ .DELDT 08/15/24 .FormatterVersion 2.0.0 .EMAIL mtmcc@firenet.gov