FLAGSTAFF, Ariz. – Warm afternoons and cool nights will dominate northern Arizona as fall weather settles in through the week. Drivers near I-40 should prepare for gusty winds by Sunday afternoon, with speeds reaching up to 20 mph.
According to the National Weather Service in Flagstaff, Sunday will stay sunny with highs near 76, but breezy conditions may complicate travel. Winds will shift southwest at 5 to 9 mph, with stronger gusts developing in the afternoon. The clear skies and mild temperatures will offer comfortable outdoor conditions, but motorists and hikers should use caution in exposed areas.
Flagstaff begins Sunday morning calm, but the breeze builds by midday. By evening, gusts could rattle high-profile vehicles along I-40 and other open roadways. Overnight lows will dip to the low 40s, reinforcing that fall chill already felt in higher elevations.
Monday through Wednesday, the region stays sunny with highs ranging from 77 to 80 degrees. Southwest winds will continue, occasionally gusting near 18 mph, particularly in the afternoons. Fire danger remains elevated in dry areas, so residents are urged to avoid outdoor burning.
Late in the week, a shift brings rain chances. By Thursday night, Flagstaff could see showers and thunderstorms, marking a change from the calm, sunny stretch.
Warnings are not in place, but the National Weather Service advises travelers to monitor conditions daily. More updates are expected as late-week storms approach.
Five-Day Forecast for Flagstaff, AZ
- Sunday: Sunny, high near 76. Winds SW 5–9 mph, gusts 15 mph. Low 42.
- Monday: Sunny, high 77. Breezy, gusts up to 17 mph. Low 48.
- Tuesday: Sunny, high 79. Winds SW 6–10 mph. Low 50.
- Wednesday: Sunny, high 80. Breezy, gusts near 18 mph. Low 51.
- Thursday: Partly cloudy, high 78. Chance of evening showers and storms. Low 51.
