National Weather Service United States Department of Commerce

Cold Front to Bring Cooling and Heavy Rain in the East; Building Heat and Monsoon in the West

A slow moving cold front will bring temperatures back to near normal early this week in the East. Strong to severe storms ahead of the front may produce damaging winds and heavy rain that could cause flash flooding. Strengthening high pressure in the West will produce surging monsoon moisture with potential for flash flooding. Heat may become excessive in the Desert Southwest this week. Read More >

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Last Map Update: Mon, Jul. 22, 2019 at 6:25:18 pm MST

National Weather Service Elko, NVNational Weather Service Salt Lake City, UTNational Weather Service Grand Junction, CO
National Weather Service Las Vegas, NVZoom

National Weather Service Albuquerque, NM
National Weather Service San Diego, CANational Weather Service NWS PhoenixNational Weather Service NWS Tucson Arizona

Isolated to scattered thunderstorms will develop this afternoon and evening. The primary storm hazards will be lightning and potentially strong outflow winds. Most storms will produce little rainfall. Better storm chances arrive Tuesday.
Isolated to scattered thunderstorms will develop today as moisture slowly moves into the area. Most storms will produce little rainfall and gusty winds. Deeper moisture arrives Tuesday resulting in better thunderstorm chances across the area. Heavy rainfall and flash flooding will become possible from Tuesday onward.


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