Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Harry Reid International Airport (KLAS)

Lat: 36.07188°NLon: 115.1634°WElev: 2180.0ft.

Clear

95°F

35°C

Humidity 19%
Wind Speed S 4 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 17 Aug 11:05 PM PDT
Extended Forecast for

Las Vegas NVSimilar City Names

Extreme Heat Warning August 18, 10:00am until August 21, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  • Tonight

    Tonight: Partly cloudy, with a low around 86. Southwest wind 3 to 6 mph.

    Low: 86 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 108. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 108 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 86. Southwest wind 5 to 9 mph.

    Low: 86 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 108. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 108 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 88. Southwest wind 5 to 9 mph.

    Low: 88 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 108.

    High: 108 °F

    Hot

  • Thursday Night

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

    Low: 88 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms after 11am.  Mostly sunny and hot, with a high near 106.

    High: 106 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 11pm.  Partly cloudy, with a low around 87.

    Low: 87 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 86. Southwest wind 3 to 6 mph.
Tuesday
Mostly sunny and hot, with a high near 108. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 86. Southwest wind 5 to 9 mph.
Wednesday
Sunny and hot, with a high near 108. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 88. Southwest wind 5 to 9 mph.
Thursday
Sunny and hot, with a high near 108.
Thursday Night
Partly cloudy, with a low around 88.
Friday
A slight chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 106.
Friday Night
A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 87.
Saturday
A slight chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 106.
Saturday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 87.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 105.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 85.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 103.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Las Vegas NVSimilar City Names
 36.1°N 115.14°W (Elev. 2037 ft)
1:37 pm PDT Aug 17, 2026
11pm PDT Aug 17, 2026-6pm PDT Aug 24, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database