Heavy Rain in the Appalachians and Central Gulf Coast; Heat Continues in the West; Monitoring the Tropics

Heavy to excessive rainfall over the southern Appalachians and portions of the central Gulf Coast may bring areas of flooding today. Hot temperatures are in place through today across much of the western U.S. and New England. Tropical Storm Erin is forecast to become a Major Hurricane this weekend as it moves across the central Atlantic Ocean. Monitor future forecasts for any East Coast impacts. Read More >

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Last Map Update: Tue, Aug 12, 2025 at 12:40:49 pm MST

Watches, Warnings & Advisories

National Weather Service Salt Lake City, UT

National Weather Service Grand Junction, CO

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National Weather Service Albuquerque, NM

National Weather Service NWS Tucson Arizona

Extreme Heat Warning

Heat Advisory

Fire Weather Watch

Air Quality Alert

Hazardous Weather Outlook

Thunderstorm Outlook

Extreme Heat Grand Canyon

One last day of hot and mainly dry conditions today, before increasing monsoonal moisture and cooler temperatures set in through the end of the week. The best chances for thunderstorms will be Thursday and Friday. Drier and warmer conditions look to gradually return by the start of next week.