Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

TRUXTON CANYON (TCRA3)

Lat: 35.78013°NLon: 113.79563°WElev: 5304.0ft.

NA

85°F

29°C

Humidity 21%
Wind Speed WSW 6 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Heat Index82°F (28°C)
Last update 18 Aug 07:14 PM MST
Extended Forecast for

31 Miles ESE Lake Mead NV

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

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Tonight

    Low: 84 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 101. South wind 8 to 13 mph.

    High: 101 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 84. South southeast wind 11 to 15 mph, with gusts as high as 21 mph.

    Low: 84 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 100. South southeast wind 9 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 100 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 84. South southeast wind 11 to 13 mph, with gusts as high as 18 mph.

    Low: 84 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 11am.  Partly sunny, with a high near 97.

    High: 97 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 11pm.  Partly cloudy, with a low around 82.

    Low: 82 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 98.

    High: 98 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 84. South wind 11 to 13 mph.
Wednesday
Mostly sunny, with a high near 101. South wind 8 to 13 mph.
Wednesday Night
Mostly clear, with a low around 84. South southeast wind 11 to 15 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 100. South southeast wind 9 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 84. South southeast wind 11 to 13 mph, with gusts as high as 18 mph.
Friday
A 30 percent chance of showers and thunderstorms after 11am. Partly sunny, with a high near 97.
Friday Night
A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 82.
Saturday
A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 98.
Saturday Night
Partly cloudy, with a low around 82.
Sunday
A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 97.
Sunday Night
Partly cloudy, with a low around 81.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Monday Night
Partly cloudy, with a low around 80.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
31 Miles ESE Lake Mead NV
 35.94°N 114.22°W (Elev. 3520 ft)
11:33 am MST Aug 18, 2026
8pm MST Aug 18, 2026-6pm MST Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database