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.

Clear

100°F

38°C

Humidity	12%
Wind Speed	SSW 10 MPH
Barometer	29.87 in (1011.51 mb)
Dewpoint	40°F (4°C)
Visibility	10.00 mi
Heat Index	95°F (35°C)
Last update	19 Aug 09:05 PM PDT

More Information:

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

Extended Forecast for

3 Miles NW Las Vegas NV

Extreme Heat Warning August 19, 09:20pm until August 21, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning August 19, 09:20pm until August 21, 08:00pm
NOW until 8:00pm Fri
Extreme Heat Warning
Tonight
Low: 86 °F
Mostly Clear
Thursday
High: 109 °F
Hot
Thursday Night
Low: 87 °F
Partly Cloudy
Friday
High: 105 °F
Chance
Showers
Friday Night
Low: 83 °F
Partly Cloudy
Saturday
High: 106 °F
Hot
Saturday Night
Low: 84 °F
Partly Cloudy
Sunday
High: 104 °F
Slight Chance
T-storms

Detailed Forecast

Tonight

Mostly clear, with a low around 86. South southwest wind 6 to 9 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 18 mph.

Thursday Night

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

Friday

A 30 percent chance of showers and thunderstorms after 11am. Partly sunny and hot, with a high near 105. Light and variable wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

Friday Night

Partly cloudy, with a low around 83. South southeast wind 5 to 7 mph becoming calm in the evening.

Saturday

Sunny and hot, with a high near 106.

Saturday Night

Partly cloudy, with a low around 84.

Sunday

A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 104.

Sunday Night

A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 83.

Monday

A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 102.