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

Extreme Heat Warning until August 21, 08:00 PM PDT

Current conditions at

Harry Reid International Airport (KLAS)

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

Partly Cloudy

95°F

35°C

Humidity	16%
Wind Speed	S 6 MPH
Barometer	29.89 in (1012.19 mb)
Dewpoint	43°F (6°C)
Visibility	10.00 mi
Heat Index	91°F (33°C)
Last update	20 Aug 12:56 AM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Las Vegas NV

Extreme Heat Warning August 20, 01:01am until August 21, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning August 20, 01:01am until August 21, 08:00pm
NOW until 8:00pm Fri
Extreme Heat Warning
Overnight
Low: 88 °F
Mostly Clear
Thursday
High: 109 °F
Hot
Thursday Night
Low: 87 °F
Partly Cloudy
Friday
High: 106 °F
Mostly Sunny
then Slight
Chance
T-storms
Friday Night
Low: 85 °F
Partly Cloudy
Saturday
High: 107 °F
Hot
Saturday Night
Low: 86 °F
Mostly Clear
Sunday
High: 107 °F
Hot

Detailed Forecast

Overnight

Mostly clear, with a low around 88. South southwest wind around 7 mph.

Thursday

Sunny and hot, with a high near 109. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

Thursday Night

Partly cloudy, with a low around 87. South wind 5 to 9 mph.

Friday

A 10 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 106. Calm wind becoming south southeast 5 to 8 mph in the afternoon.

Friday Night

Partly cloudy, with a low around 85. Southwest wind 3 to 7 mph.

Saturday

Sunny and hot, with a high near 107.

Saturday Night

Mostly clear, with a low around 86.

Sunday

Sunny and hot, with a high near 107.

Sunday Night

Partly cloudy, with a low around 85.

Monday

Sunny and hot, with a high near 105.