Flagstaff, Arizona – Summer storms are making a June comeback in northern Arizona. Thunderstorms are likely by Tuesday afternoon, June 3rd, in Flagstaff, with gusty winds and highs near 71°F creating hazardous travel and outdoor conditions.
According to the National Weather Service in Flagstaff, storms will build after 11 a.m. Tuesday, especially along U.S. Highway 180 and nearby elevated areas. Southwest winds could gust up to 20 mph, combining with downpours and lightning to make driving and hiking dangerous during peak daylight hours. The chance of precipitation stands at 66%.
Drivers should plan for rapidly changing conditions and reduced visibility. Outdoor enthusiasts should delay trips to Walnut Canyon and Humphreys Peak until storms clear. Keep mobile alerts enabled and charge all devices in advance in case of localized power disruptions.
Tuesday night brings continued thunderstorm chances at 50%, with lows near 43°F and lighter winds. Conditions may improve slightly by Wednesday, though scattered storms are still possible through midweek.
By Thursday, Flagstaff dries out with mostly sunny skies and calmer winds. Friday and Saturday look warm and clear, offering a break from early June’s unstable weather.
⚠️ Be alert: Lightning, brief flooding, and strong wind gusts remain the main concerns through Tuesday evening. Updates from the NWS will continue as storm activity develops.
🔎 Five-Day Flagstaff Weather Outlook (June 3–7)
- Tuesday (June 3): 71°F, thunderstorm risk after 11 a.m., 66% chance of rain, gusts up to 20 mph
- Wednesday: 70°F, scattered storms possible, 50% chance of rain
- Thursday: 74°F, mostly sunny, 20% slight storm chance early
- Friday: 79°F, sunny, calmer winds
- Saturday: 83°F, sunny and warmer, light afternoon breeze