Flagstaff, Ariz. – Drivers in northern Arizona could face dangerous conditions on I-40 by Monday morning as thunderstorms roll through Flagstaff and surrounding communities. Heavy rain, lightning, and localized flooding are likely, making early-week travel especially hazardous. Residents should avoid unnecessary driving and secure outdoor belongings before the storms arrive.
According to the National Weather Service in Flagstaff, a strong system will bring a 60 to 80 percent chance of storms Monday through Wednesday. The most intense activity is expected Monday morning and again Tuesday afternoon, with showers persisting into Wednesday evening. Flash flooding remains a concern in low-lying areas and burn scar regions.
Flagstaff’s downtown and nearby highways, including I-17 and I-40, could experience slower commutes due to ponding water and reduced visibility. Outdoor plans across Coconino County may be interrupted by frequent lightning and sudden downpours. Travelers are urged to check road conditions before departure and allow for extra time.
Storm chances ease slightly by Thursday, with drier and warmer conditions returning late week. Still, lingering moisture could spark isolated storms each afternoon. Residents should continue monitoring updates, especially those living in flood-prone areas.
Five Day Forecast for Flagstaff, Arizona:
- Monday: Thunderstorms likely, heavy at times. High near 81°F. Overnight low around 51°F.
- Tuesday: Widespread storms, especially in the afternoon. High 74°F, low 49°F.
- Wednesday: Showers and thunderstorms into the evening. High 74°F, low 49°F.
- Thursday: Partly sunny, isolated storms possible. High 75°F, low 47°F.
- Friday: Mostly sunny, drier conditions. High 78°F, low 47°F.
