FLAGSTAFF, Ariz. – Storms could disrupt travel across northern Arizona Monday evening as thunderstorms threaten Flagstaff and surrounding areas. Drivers along Interstate 40 should prepare for reduced visibility, slick roads, and the possibility of lightning through Monday night.
According to the National Weather Service in Flagstaff, rain chances climb to 40 percent late Monday with storms persisting overnight. Winds could gust up to 22 mph, raising hazards for high-profile vehicles and making commutes more dangerous. Officials urge drivers to slow down and avoid flooded roadways.
Sunday brings the first signs of the shift, with a 30 percent chance of storms developing after 11 a.m. Temperatures remain warm, with highs near 75 degrees, but conditions turn unsettled by evening. Monday’s storms arrive as cooler air slides into the region, pushing Tuesday’s high back up to 76 degrees with lingering storm chances.
Residents should secure outdoor items, charge devices, and prepare for sudden downpours during evening hours. Hikers and campers across Coconino County are warned to avoid exposed ridges or canyons during storm activity.
By midweek, storm chances lessen, though isolated showers remain possible through Thursday. Winds and cooling temperatures signal the seasonal transition as northern Arizona shifts into early fall patterns.
Warnings remain in place for Monday night, with additional advisories possible if storms strengthen.
Five Day Forecast for Flagstaff, Arizona
- Sunday: 30% chance of storms after 11 a.m., high near 75°F, gusts up to 22 mph.
- Monday: 40% chance of thunderstorms, high near 72°F, gusts up to 22 mph.
- Tuesday: 20% chance of storms, high near 76°F, northeast winds up to 20 mph.
- Wednesday: Mostly sunny, slight chance of storms, high near 77°F, gusts up to 21 mph.
- Thursday: 20% chance of storms, high near 75°F, gusts up to 22 mph.
