Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

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Last Map Update: Tue, Aug 18, 2026 at 11:34:35 am PDT

Watches, Warnings & Advisories

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National Weather Service Salt Lake City, UT

National Weather Service San Joaquin Valley, CA

National Weather Service NWS Flagstaff, AZ

Extreme Heat Warning

Warming Trend

Moderate Heat Risk

Not As Hot This Weekend

High Temperature Probabilities

Weather History

High temperatures throughout Northern and Central Nevada Wednesday afternoon will be two to four degrees warmer than this afternoon. Maximum temperatures across Northern and Central Nevada Thursday afternoon will be six to eight degrees above normal for this time of year. A Heat Advisory may be required for Elko County Thursday.

High temperatures throughout Northern Nevada Thursday afternoon will be seven to nine degrees above normal for this time of year. This will result in a moderate risk for heat-related illnesses. Although heat events like this are relatively common and happen many times a year, heat-related impacts are possible for those new to the area if simple precautions are not taken. Plan to take action to reduce time outdoors, drink plenty of water, and remain in air-conditioned buildings. Heat-sensitive groups, such as the elderly, young children, and those with chronic ailments may need assistance to avoid heat-related illnesses. As always, never, ever leave a child or pet in an enclosed automobile. A Heat Advisory may be required for Elko County Thursday.

High temperatures throughout Northern and Central Nevada Saturday afternoon will be a couple of degrees cooler than Friday afternoon. Maximum temperatures across Northern and Central Nevada Sunday afternoon will be near normal for this time of year.

A warming trend is expected in Northern and Central Nevada today through Thursday. By Thursday afternoon, high temperatures across Northern Nevada will be seven to nine degrees above normal for this time of year. A Heat Advisory may be required for Elko County Thursday. Here are probabilities of maximum temperatures of 95 degrees or higher for select locations in Northern and Central Nevada from Tuesday, August 18th, 2026 through Saturday, August 22nd, 2026.