Flagstaff, Arizona – Outdoor plans across northern Arizona could be derailed this weekend as strong winds and scattered thunderstorms move into Flagstaff.
According to the National Weather Service, southwest winds will increase sharply Saturday afternoon, with gusts hitting 37 mph. Travel along I-40 and I-17 could be impacted, especially for high-profile vehicles. Thunderstorms are expected to begin Sunday afternoon and continue through Monday night, bringing wind gusts over 30 mph and a 20% chance of localized lightning or rainfall.
Saturday’s high will reach a breezy 66°F, perfect for early activities before the wind kicks up around midday. By Sunday, conditions shift as Flagstaff cools to a high near 59°F and the first spring thunderstorm chances arrive after 11 a.m. Winds will remain elevated, making it risky for hiking, biking, or setting up canopies.
Flagstaff residents are urged to secure loose outdoor items and avoid open areas during storms. Gusty winds can down branches or cause minor debris on local roads.
Looking ahead, Monday stays unsettled with isolated thunderstorm chances and a high of 58°F. Clear skies return Monday night into Tuesday, with overnight lows near freezing. Temperatures rebound into the upper 60s midweek under sunny skies.
Five-Day Flagstaff Forecast
- Saturday: High 66°F, wind gusts to 37 mph
- Sunday: High 59°F, 20% chance of thunderstorms
- Monday: High 58°F, continued storm risk
- Tuesday: High 68°F, sunny and calm
- Wednesday: High 76°F, breezy by afternoon
