National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Overton (CMP16)

Lat: 36.54583°NLon: 114.44556°WElev: 1260.0ft.

NA

85°F

29°C

Humidity 27%
Wind Speed NW 2 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Heat Index83°F (28°C)
Last update 20 Aug 03:50 AM PDT
Extended Forecast for

10 Miles SSE Valley of Fire NV

Extreme Heat Warning August 20, 04:29am until August 21, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 20, 04:29am until August 21, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Today

    High: 112 °F

    Hot

  • Tonight

    Tonight: Increasing clouds, with a low around 89. South wind 5 to 8 mph.

    Low: 89 °F

    Increasing
    Clouds

  • Friday

    Friday: A slight chance of showers and thunderstorms between noon and 1pm. Mostly sunny and hot, with a high near 109. Light and variable wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 10%.

    High: 109 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 87. South southeast wind around 5 mph becoming calm in the evening.

    Low: 87 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 111. Calm wind becoming south southwest 5 to 9 mph in the afternoon.

    High: 111 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 88.

    Low: 88 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 111.

    High: 111 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 88.

    Low: 88 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny and hot, with a high near 112. South wind 7 to 9 mph.
Tonight
Increasing clouds, with a low around 89. South wind 5 to 8 mph.
Friday
A slight chance of showers and thunderstorms between noon and 1pm. Mostly sunny and hot, with a high near 109. Light and variable wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 10%.
Friday Night
Partly cloudy, with a low around 87. South southeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny and hot, with a high near 111. Calm wind becoming south southwest 5 to 9 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 88.
Sunday
Sunny and hot, with a high near 111.
Sunday Night
Partly cloudy, with a low around 88.
Monday
Sunny and hot, with a high near 109.
Monday Night
Partly cloudy, with a low around 86.
Tuesday
A slight chance of showers and thunderstorms. Sunny and hot, with a high near 110.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 87.
Wednesday
Sunny and hot, with a high near 111.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SSE Valley of Fire NV
 36.3°N 114.42°W (Elev. 1079 ft)
Last Update:
11:33 pm PDT Aug 19, 2026
Forecast Valid:
4am PDT Aug 20, 2026-6pm PDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation