Flagstaff drivers should brace for wet and stormy conditions as thunderstorms target northern Arizona through Sunday, September 22. Dangerous travel is possible along I-40 and I-17 with low visibility, slick pavement, and brief downpours.
According to the National Weather Service, showers and thunderstorms are likely Friday afternoon and evening before tapering overnight. Storm chances return Saturday evening, then increase again Sunday, especially after 11 a.m. Winds could gust up to 24 mph at times, adding to hazards for high-profile vehicles.
Localized flash flooding is possible in low-lying areas and near recent burn scars. The Coconino County Sheriff’s Office urges drivers to avoid flooded washes and allow extra time for travel. Residents should keep phones charged and secure outdoor items as storms move in.
Saturday will bring a brief window of calmer conditions with patchy morning fog, but skies quickly turn unsettled again by late afternoon. Sunday storms could linger into the evening before gradually shifting east.
By early next week, drier air will bring sunnier skies and more seasonable fall weather. However, occasional afternoon storms could still flare up across higher elevations.
Warnings remain possible through Sunday, and residents are advised to monitor updates closely.
Five Day Forecast for Flagstaff, Arizona:
- Saturday: Patchy fog early, then partly sunny, high near 78. Winds up to 14 mph.
- Sunday: 20% chance of showers after 11 a.m., high near 76. Gusts near 22 mph.
- Monday: 30% chance of showers early, then mostly sunny, high near 73.
- Tuesday: Mostly clear, high near 78. Winds gusting to 17 mph.
- Wednesday: Mostly clear, high near 78. Southwest winds around 13 mph.
