Heavy Rainfall Continues in Hawaii; Severe Thunderstorms and Heavy Rainfall in the Plains and Southern Appalachians

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorms and heavy rainfall will shift into the southern Appalachians today. Strong to severe thunderstorms may produce large hail, scattered wind gusts, and heavy rain today across the northern and central Plains. Read More >

Hazardous Weather Conditions

Extreme Heat Warning in effect from August 18, 10:00 AM MST until August 21, 08:00 PM MST

Current conditions at

TRUXTON CANYON (TCRA3)

Lat: 35.78013°NLon: 113.79563°WElev: 5304.0ft.

NA

75°F

24°C

Humidity	40%
Wind Speed	SE 3 MPH
Barometer	NA
Dewpoint	49°F (9°C)
Visibility	NA
Last update	17 Aug 05:14 AM MST

More Information:

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

Extended Forecast for

39 Miles SE Valley of Fire NV

Extreme Heat Warning August 18, 10:00am until August 21, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Today
High: 104 °F
Sunny
Tonight
Low: 85 °F
Mostly Clear
Tuesday
High: 106 °F
Hot
Tuesday Night
Low: 86 °F
Mostly Clear
Wednesday
High: 107 °F
Hot
Wednesday Night
Low: 86 °F
Mostly Clear
Thursday
High: 106 °F
Isolated
T-storms
Thursday Night
Low: 86 °F
Partly Cloudy
Friday
High: 105 °F
Chance
T-storms

Detailed Forecast

Today

Sunny, with a high near 104. Light and variable wind becoming west 5 to 8 mph in the afternoon.

Tonight

Mostly clear, with a low around 85. Southwest wind 5 to 8 mph becoming east southeast after midnight.

Tuesday

Sunny and hot, with a high near 106. East southeast wind 5 to 9 mph becoming light and variable.

Tuesday Night

Mostly clear, with a low around 86. South southwest wind around 8 mph becoming southeast after midnight.

Wednesday

Sunny and hot, with a high near 107. Southeast wind 5 to 11 mph becoming west southwest in the afternoon.

Wednesday Night

Mostly clear, with a low around 86.

Thursday

Isolated showers and thunderstorms after 11am. Sunny and hot, with a high near 106. Chance of precipitation is 10%.

Thursday Night

Partly cloudy, with a low around 86.

Friday

A chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 105.

Friday Night

A slight chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 84.

Saturday

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

Saturday Night

Mostly cloudy, with a low around 84.

Sunday

A chance of showers and thunderstorms. Mostly sunny, with a high near 103.

Additional Forecasts and Information

Zone Area Forecast for Lake Mead - AZ side, AZ

Basemap Options

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ABOUT THIS FORECAST

Point Forecast:

39 Miles SE Valley of Fire NV
36.11°N 113.94°W (Elev. 2986 ft)

2:31 am MST Aug 17, 2026

Forecast Valid:

6am MST Aug 17, 2026-6pm MST Aug 23, 2026

Forecast Discussion

Additional Resources

Radar & Satellite Image

Link to Local Radar Data

Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation