Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. Read More >

Click a location below for detailed forecast.

Last Map Update: Sun, Sep 6, 2026 at 2:20:10 pm MDT

Watches, Warnings & Advisories

National Weather Service Grand Junction, CO

National Weather Service NWS Flagstaff, AZ

Zoom Out

National Weather Service NWS Tucson Arizona

Flood Advisory

Special Weather Statement

Hazardous Weather Outlook

Rain Amounts

Today

Monday

Temp & Precip Outlook

Storms today will tend to favor the central mountain chain and southwest mountains before expanding across the Rio Grande Valley and more of western NM. Storms will favor western NM on Monday.

Temperatures will be slightly above normal in most areas today. Thunderstorms will be concentrated over the central mountain chain and southwestern peaks this afternoon.

Near normal temperatures are expected across western New Mexico on Monday while above normal temperatures are expected elsewhere. Thunderstorms will be focused over southwestern and west central to central New Mexico.

Daily rounds of afternoon storms favoring development over the mountains before moving over surrounding lower elevations continues into next week. High temperatures remain fairly consistent most areas, generally near normal across western NM, and above normal elsewhere.