Flagstaff, Arizona – Thunderstorms will sweep through Flagstaff on Wednesday afternoon, disrupting travel and outdoor plans before calm, sunny skies return ahead of Mother’s Day.
According to the National Weather Service in Flagstaff, a 60% chance of showers and thunderstorms is expected between 2 and 5 p.m. Wednesday. Patchy fog may also develop before 9 a.m., reducing visibility along U.S. Highway 180 and I-17. Residents should expect possible slick conditions during the evening commute. Winds will remain calm in the morning but increase to 5–8 mph by afternoon.
A slight chance of storms continues into Wednesday night before skies clear and a warming trend begins. Thursday will be sunny, with highs reaching 68°F and wind gusts up to 15 mph. By Friday, temperatures will climb to 75°F with breezy conditions — a welcome shift for those making outdoor Mother’s Day weekend plans.
Saturday brings a 20% chance of isolated afternoon storms, but otherwise sunny skies and a high near 75°F. Sunday, Mother’s Day, looks mostly sunny with highs in the mid-70s and gusts near 28 mph — ideal for outdoor brunches or family hikes around Walnut Canyon or Lowell Observatory.
5-Day Outlook for Flagstaff (May 9–13):
- Thursday: Sunny, high 68°F, gusts up to 15 mph
- Friday: Sunny, high 75°F, gusts to 20 mph
- Saturday: 20% chance of PM storms, high 75°F
- Sunday (Mother’s Day): Mostly sunny, high 76°F, gusts up to 28 mph
- Monday: Sunny, breezy, high 73°F with gusts near 36 mph
