Area Forecast Discussion
Issued by NWS Boise, ID
Issued by NWS Boise, ID
461 FXUS65 KBOI 272043 AFDBOI Area Forecast Discussion National Weather Service Boise ID 243 PM MDT Sat Apr 27 2024 .SHORT TERM...Tonight through Monday night...Cool northwesterly flow will continue through the short term, keeping temperatures a few degrees below normal through Sunday. Scattered showers possible over the central ID mountains this afternoon and Sunday afternoon, with breezy west to northwest winds both afternoons, and light winds overnight. A cold front will move through the area Sunday night bringing lower snow levels, mountain snow and valley rain showers. Snow levels fall to 3500-4500ft MSL by Monday afternoon. Snow accumulations up to 2 inches on the highest peaks with this system above 7000 feet. Temperatures on Monday will be around 10-15 degrees below normal. Windy conditions expected behind the front on Monday afternoon, with west- northwest wind gusts of 45-55 mph possible in the Magic Valley, Camas Prairie and the Treasure Valley. Will wait to issue highlights for this as confidence increases and the event gets closer. .LONG TERM...Tuesday through Saturday...A cool upper level trough will remain over the area through Thursday keeping a chance of showers, low snow levels, and temperatures 10-15 degrees below normal. Snow levels will be around 3500-4500 feet, with light snow accumulations possible over the mountains through Thursday. Forecast confidence beyond Thursday is low, but some guidance still suggests continued cool and unsettled conditions into Saturday. The ensembles however favor warmer and drier conditions Thursday into the following weekend with temperatures rising to near normal. && .AVIATION...Generally VFR. Scattered showers over the mountains, especially central ID. Areas of mountain obscuration. Snow levels 6000-7000 ft MSL. Surface winds: W to NW 10-20 kt with gusts to 20-30 kt in the Snake River Valley. Winds aloft at 10kft MSL: W to NW 10-20 kt. KBOI...VFR. Surface winds: NW 10-20 kt, with gusts up to 25kt through the afternoon. Sunday Outlook...VFR. Isolated showers over central ID mountains during afternoon. Surface winds generally SW to NW 5-15 kt, then variable 5-10 kt after sunset. Afternoon gusts to 20-30 kt around KMUO/KTWF/KJER. && .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...KA LONG TERM....KA AVIATION.....KA