National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Irwin/Barstow, Bicycle Lake Army Airfield (KBYS)

Lat: 35.28333°NLon: 116.61667°WElev: 2349.0ft.

Clear

99°F

37°C

Humidity 9%
Wind Speed W 18 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 29 Jul 07:55 PM PDT
Extended Forecast for

24 Miles NNW Barstow CA

Extreme Heat Warning July 30, 10:00am until August 2, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Tonight

    Tonight: Clear, with a low around 69. West wind 13 to 18 mph, with gusts as high as 26 mph.

    Low: 69 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 100. Southwest wind 7 to 10 mph.

    High: 100 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 70. West wind 10 to 13 mph, with gusts as high as 18 mph.

    Low: 70 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 102. West wind 5 to 9 mph becoming south southwest in the afternoon.

    High: 102 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 73. West wind 9 to 13 mph.

    Low: 73 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 105.

    High: 105 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 104.

    High: 104 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 74. Breezy.

    Low: 74 °F

    Clear and
    Breezy then
    Clear

Detailed Forecast

Tonight
Clear, with a low around 69. West wind 13 to 18 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 100. Southwest wind 7 to 10 mph.
Thursday Night
Clear, with a low around 70. West wind 10 to 13 mph, with gusts as high as 18 mph.
Friday
Sunny, with a high near 102. West wind 5 to 9 mph becoming south southwest in the afternoon.
Friday Night
Clear, with a low around 73. West wind 9 to 13 mph.
Saturday
Sunny and hot, with a high near 105.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny, with a high near 104.
Sunday Night
Clear, with a low around 74. Breezy.
Monday
Sunny, with a high near 104.
Monday Night
Clear, with a low around 75.
Tuesday
Sunny, with a high near 104.
Tuesday Night
Clear, with a low around 75.
Wednesday
Sunny, with a high near 103.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
24 Miles NNW Barstow CA
 35.17°N 116.92°W (Elev. 3681 ft)
Last Update:
2:18 pm PDT Jul 29, 2026
Forecast Valid:
9pm PDT Jul 29, 2026-6pm PDT Aug 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation