Area Forecast Discussion
Issued by NWS Boise, ID
Issued by NWS Boise, ID
221 FXUS65 KBOI 260033 CCA AFDBOI Area Forecast Discussion...CORRECTED National Weather Service Boise ID 633 PM MDT Wed Sep 25 2024 .SHORT TERM...Tonight through Friday night...Pacific cold front now inland over the Cascades as of 2 PM MDT. Ahead of it are gusty southwest winds in eastern Oregon, especially in Harney County. The front will pass through eastern Oregon this evening and western Idaho late tonight, weakening as it moves. Front will still be strong enough for scattered showers and isolated thunderstorms in northern Baker County this evening, then scattered showers but no thunderstorms in northern Valley County/ID overnight. Sunny Thursday and about 8 degrees cooler than today, with light west/northwest winds. Sunny and several degrees warmer Friday as a 500 mb high gradually builds northward from the Great Basin. .LONG TERM...Saturday through Wednesday...Warming will peak Saturday under southwest flow aloft between the Great Basin high and the next upper trough from the north Pacific. A dry cold front will lower temps 5 to 10 degrees Sunday followed by breezy west/northwest winds. After the upper trough moves east Sunday night another warming trend with clear skies will begin under a broad upper ridge over the western states. && .AVIATION...VFR. Cold front will move across eastern OR 26/00 to 26/04Z and western ID 26/04 to 27/10Z. Scattered -SHRA north of KBKE-KMYL 26/02Z to 26/10Z. Isolated -TSRA north of KBKE 2602Z to 26/06Z. Surface winds: S-SW ahead of the approaching cold front. SW gusts to 35 kt in eastern OR. W-nw winds 5-15kt behind the front. KBOI...VFR. Scattered mid-level clouds 26/02Z-26/12Z, then clearing. Surface wind S 10-15kt, shifting to NW 26/04Z, then decreasing to 5 to 10kt after 26/09Z. && Surface winds: Surface winds: variable less than 10 kt, becoming mostly SE 6-12 kt after 24/19Z. Winds at 10kft MSL: northeast 5-15 kt, becoming southeast 10-15 kt by 24/21Z. Gusts over 20 mph after 25/18Z. KBOI... .BOI WATCHES/WARNINGS/ADVISORIES... ID...None. OR...None. && $$ www.weather.gov/Boise Interact with us via social media: www.facebook.com/NWSBoise www.twitter.com/NWSBoise SHORT TERM...LC LONG TERM....LC AVIATION.....LC