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

80°F

27°C

Humidity 26%
Wind Speed WSW 5 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Heat Index79°F (26°C)
Last update 19 Aug 02:14 AM MST
Extended Forecast for

38 Miles E 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

  • Overnight

    Low: 83 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 102. Southeast wind 6 to 13 mph becoming west southwest in the morning.

    High: 102 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 83. South wind 7 to 11 mph.

    Low: 83 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 101. Southeast wind 6 to 9 mph becoming west in the afternoon.

    High: 101 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 82. Southeast wind 6 to 9 mph.

    Low: 82 °F

    Partly Cloudy

  • Friday

    Friday: Scattered showers and thunderstorms after 11am.  Partly sunny, with a high near 99. Chance of precipitation is 30%.

    High: 99 °F

    Scattered
    Showers then
    Scattered
    T-storms

  • Friday Night

    Friday Night: Isolated showers and thunderstorms before 11pm.  Partly cloudy, with a low around 79. Chance of precipitation is 10%.

    Low: 79 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Isolated showers and thunderstorms after 11am.  Mostly sunny, with a high near 100.

    High: 100 °F

    Isolated
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 83. South southeast wind around 7 mph.
Wednesday
Mostly sunny, with a high near 102. Southeast wind 6 to 13 mph becoming west southwest in the morning.
Wednesday Night
Partly cloudy, with a low around 83. South wind 7 to 11 mph.
Thursday
Sunny, with a high near 101. Southeast wind 6 to 9 mph becoming west in the afternoon.
Thursday Night
Partly cloudy, with a low around 82. Southeast wind 6 to 9 mph.
Friday
Scattered showers and thunderstorms after 11am. Partly sunny, with a high near 99. Chance of precipitation is 30%.
Friday Night
Isolated showers and thunderstorms before 11pm. Partly cloudy, with a low around 79. Chance of precipitation is 10%.
Saturday
Isolated showers and thunderstorms after 11am. Mostly sunny, with a high near 100.
Saturday Night
Partly cloudy, with a low around 81.
Sunday
Mostly sunny, with a high near 100.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 79.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 97.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 97.
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ABOUT THIS FORECAST

 
Point Forecast:
38 Miles E Lake Mead NV
 36°N 114.06°W (Elev. 3169 ft)
12:01 am MST Aug 19, 2026
3am MST Aug 19, 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