Flagstaff, Ariz. – Thunderstorms are expected to hit Flagstaff through Tuesday night, bringing lightning, gusty winds up to 21 mph, and heavy downpours that could disrupt travel and outdoor plans across northern Arizona.
According to the National Weather Service in Flagstaff, storm chances begin Sunday afternoon with a 30% chance of showers increasing to 80% overnight. Monday remains stormy, with scattered thunderstorms likely after 11 a.m. and an 80% precipitation chance continuing through Monday night. Winds will shift between 7 to 13 mph, with gusts potentially reaching 29 mph.
Cities along I-17 and I-40, including Bellemont, Winona, and Sedona, should expect localized flooding on roadways and possible lightning delays. Flagstaff Unified School District has not issued closures but advises parents to monitor weather alerts for changing conditions.
Residents should avoid hiking during peak storm hours and secure loose items outdoors. Power outages may occur in higher elevation areas due to lightning or wind-downed lines.
While storm activity tapers slightly midweek, a 40–50% chance of afternoon and evening thunderstorms remains through Wednesday night. Sunny skies are expected to return by Thursday.
🌤 Five-Day Flagstaff Weather Outlook (June 1–June 6)
- Sunday: High 76°F | 30% chance of storms after 11 a.m. | Wind gusts up to 21 mph
- Monday: High 66°F | 80% chance of storms | Strong wind gusts to 29 mph
- Tuesday: High 69°F | 50% chance of storms | Gusts up to 20 mph
- Wednesday: High 72°F | 40% chance of afternoon storms
- Thursday: Sunny | High 75°F | Winds easing to 15 mph




