Area Forecast Discussion
Issued by NWS Boise, ID
Issued by NWS Boise, ID
522 FXUS65 KBOI 200222 AFDBOI Area Forecast Discussion National Weather Service Boise ID 822 PM MDT Thu Sep 19 2024 .DISCUSSION...Radar showed a few light rain showers north of the Nevada border in southern Owyhee County late this afternoon but those have ended. Tranquil weather the next several days under weak west/northwest flow aloft. Generally clear skies, normal temperatures, and light diurnal winds, but locally gusting to 20 mph from the west in the afternoons. No updates. && .AVIATION...VFR. Mostly clear. Patchy fog in northern mountain valleys overnight and near sunrise. Surface winds: variable less than 10kt. Winds at 10kft: northwest 10-15 kt. KBOI...VFR. Generally clear. Surface winds, variable less than 10 kt, becoming northwest 10-20kt 20/20Z to 20/24Z. Weekend Outlook...VFR with scattered high clouds. Afternoon surface winds W-NW 5 to 15 kt. Gusts 15-25 kt Friday afternoon in the Snake Basin. Winds aloft NW 15 to 20 kt. && .PREV DISCUSSION... SHORT TERM...Tonight through Saturday night...A closed low working through the Desert SW will support afternoon clouds and possibly a shower along the ID/NV border today. Dew point depressions in mountain valleys will approach zero tonight, bringing patchy valley fog. Otherwise mostly clear skies and seasonable temperatures will prevail into the weekend. An uptick in W-NW flow aloft Friday and Saturday will bring increased winds to open terrain (gusts to 25 mph in spots) each afternoon and evening. LONG TERM...Sunday through Thursday...Dry conditions continue into next week. Sunday night and Monday morning cloud cover briefly increases as a trough passes north of our area. Following the trough an upper ridge is set to build in. This will push temperatures 5-10 degrees above normal next week. The ridge moves east on Thursday and model agreement diverges, with the mean continuing to favor warm and dry weather. && .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 DISCUSSION...LC AVIATION.....LC SHORT TERM...JM LONG TERM....JM