932 FNUS75 KBOI 102219 FWSBOI Spot Forecast for Sheep...USFS National Weather Service Boise ID 419 PM MDT Tue Sep 10 2024 Forecast is based on forecast start time of 0600 MDT on September 11. If conditions become unrepresentative...contact the National Weather Service. Please contact our office at (208)334-9060, if you have questions or concerns with this forecast. ...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT WEDNESDAY FOR SCATTERED LIGHTNING... .DISCUSSION... Scattered thunderstorms are expected for Wednesday as a strong system and cold front move across the area. Best chance for strong storms at the fire look to be between 3 PM and 5 PM MDT. Brief heavy rain, small hail and wind gusts 40-60 mph possible with the strongest storms. Isolated showers and thunderstorms possible after 9 PM MDT following the low center passage. Thursday will be much cooler behind the low with chance for showers and thunderstorms bring wetting rains. .WEDNESDAY... Sky/weather.........Mostly cloudy. Isolated showers and thunderstorms in the morning, then numerous showers and scattered thunderstorms in the afternoon. Some thunderstorms may produce gusty winds and small hail in the afternoon. Chance of precipitation 60 percent. Max temperature.....67 to 72. Min humidity........20 to 25 percent. CWR.................30 percent. LAL.................2 in the morning increasing to 4 in the afternoon. Wind - 20 foot......West 5 to 10 mph. Gusts up to 16 mph in the afternoon. Gusty and erratic winds expected near thunderstorms. Mixing height.......6000 ft AGL. Transport winds.....West around 10 mph. Haines Index........4 low. Ventilation Index...600 good. .WEDNESDAY NIGHT... Sky/weather.........Widespread showers. Scattered thunderstorms in the evening, then a slight chance of thunderstorms overnight. Some thunderstorms may produce gusty winds and small hail in the evening. Chance of precipitation 80 percent. Min temperature.....43 to 48. Max humidity........85 to 90 percent. CWR.................60 percent. LAL.................4 in the evening decreasing to 2 overnight. Wind - 20 foot......West 4 to 8 mph. Gusty and erratic winds expected near thunderstorms in the evening. Mixing height.......800 ft AGL. Transport winds.....Northwest around 10 mph. Haines Index........3 very low. Ventilation Index...80 poor. .THURSDAY... Sky/weather.........Mostly cloudy with numerous rain showers and a slight chance of thunderstorms. Chance of precipitation 70 percent. Max temperature.....55 to 60. Min humidity........57 to 62 percent. CWR.................50 percent. LAL.................2. Wind - 20 foot......Northwest 7 to 13 mph. Gusts up to 19 mph in the morning. Gusty and erratic winds expected near thunderstorms. Mixing height.......4000 ft AGL. Transport winds.....Northwest around 10 mph. Haines Index........2 very low. Ventilation Index...400 fair. $$ Forecaster...Smith Requested by...ICT3 Type of request...WILDFIRE .TAG 2421809.5/BOI .DELDT 09/11/24 .FormatterVersion 2.0.0 .EMAIL allison.lund@usda.gov