National Weather Service United States Department of Commerce
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Last Map Update: Wed, Aug. 4, 2021 at 1:08:01 am PDT

National Weather Service Reno, NVNational Weather Service Elko, NVNational Weather Service Salt Lake City, UT
National Weather Service San Joaquin Valley, CAZoom
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National Weather Service Flagstaff, AZ
National Weather Service Los Angeles, CANational Weather Service San Diego, CANational Weather Service NWS Phoenix

July was an active month in the Las Vegas area which included a record setting heat wave early in the month, followed by an active monsoon pattern for the remainder of the month. In fact, at least a trace of rain fell on 13 days in July! The hottest temp occurred on July 10th which was 117, and the coolest was 69 which occurred on July 25th. A total of 0.51 inches of rain fell which makes July 2021 the 25th wettest July on record.
The National Weather Service issues Severe Thunderstorm Warnings (SVR) when a severe storm is happening or imminent, letting the public know it’s time to take action to stay safe (such as taking shelter). These warnings are Impact-Based, focusing on the expected storm impacts, allowing for more precise communication and recommended actions. Now, to further improve communication, NWS will be including Damage Threat Categories to all SVRs. Wireless Emergency Alert (WEA) messages will be activated on mobile devices whenever a ‘Destructive’ Severe Thunderstorm Warning is issued. For more information on WEAs, please visit weather.gov/wrn/wea.