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

Las Vegas - Henderson Executive Airport (KHND)

Lat: 35.97665°NLon: 115.13221°WElev: 2427.0ft.

Clear

88°F

31°C

Humidity	26%
Wind Speed	SSW 12 MPH
Barometer	29.97 in (1014.9 mb)
Dewpoint	49°F (9°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	20 Aug 04:56 AM PDT

More Information:

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

Extended Forecast for

5 Miles ESE Las Vegas-Henderson Airport NV

Extreme Heat Warning August 20, 05:12am until August 21, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning August 20, 05:12am until August 21, 08:00pm
NOW until 8:00pm Fri
Extreme Heat Warning
Today
High: 100 °F
Mostly Sunny
Tonight
Low: 81 °F
Slight Chance
T-storms then
Partly Cloudy
Friday
High: 98 °F
Mostly Sunny
then Slight
Chance
T-storms
Friday Night
Low: 79 °F
Slight Chance
T-storms then
Mostly Clear
Saturday
High: 99 °F
Sunny
Saturday Night
Low: 79 °F
Partly Cloudy
Sunday
High: 99 °F
Slight Chance
T-storms
Sunday Night
Low: 79 °F
Partly Cloudy

Detailed Forecast

Today

Mostly sunny, with a high near 100. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.

Tonight

A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 81. South southwest wind 8 to 10 mph.

Friday

A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 98. South southwest wind 5 to 9 mph becoming east southeast in the morning.

Friday Night

A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 79. Southwest wind 6 to 8 mph.

Saturday

Sunny, with a high near 99. Southwest wind 5 to 11 mph becoming south southeast in the morning. Winds could gust as high as 18 mph.

Saturday Night

Partly cloudy, with a low around 79.

Sunday

A 10 percent chance of showers and thunderstorms after 11am. Sunny, with a high near 99.

Sunday Night

Partly cloudy, with a low around 79.

Monday

A slight chance of showers, with thunderstorms also possible after 11am. Sunny, with a high near 97.