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

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. 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

87°F

31°C

Humidity 13%
Wind Speed NE 5 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 01 Aug 07:55 AM PDT
Extended Forecast for

25 Miles NNE Barstow CA

Extreme Heat Warning August 1, 08:17am until August 2, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 1, 08:17am until August 2, 08:00pm

    NOW until 8:00pm Sun

    Extreme Heat Warning

  • Today

    High: 111 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 81. West wind 8 to 15 mph, with gusts as high as 24 mph.

    Low: 81 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 111. Light west wind becoming west southwest 12 to 17 mph in the morning. Winds could gust as high as 24 mph.

    High: 111 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 79. West southwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 26 mph.

    Low: 79 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 111. West southwest wind 5 to 14 mph, with gusts as high as 20 mph.

    High: 111 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 77.

    Low: 77 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 109.

    High: 109 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 78.

    Low: 78 °F

    Clear

Detailed Forecast

Today
Sunny and hot, with a high near 111. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Tonight
Clear, with a low around 81. West wind 8 to 15 mph, with gusts as high as 24 mph.
Sunday
Sunny and hot, with a high near 111. Light west wind becoming west southwest 12 to 17 mph in the morning. Winds could gust as high as 24 mph.
Sunday Night
Clear, with a low around 79. West southwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 26 mph.
Monday
Sunny and hot, with a high near 111. West southwest wind 5 to 14 mph, with gusts as high as 20 mph.
Monday Night
Clear, with a low around 77.
Tuesday
Sunny and hot, with a high near 109.
Tuesday Night
Clear, with a low around 78.
Wednesday
Sunny and hot, with a high near 109.
Wednesday Night
Clear, with a low around 79.
Thursday
Sunny and hot, with a high near 108.
Thursday Night
Mostly clear, with a low around 80.
Friday
Sunny and hot, with a high near 108.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
25 Miles NNE Barstow CA
 35.19°N 116.62°W (Elev. 2198 ft)
Last Update:
12:23 am PDT Aug 1, 2026
Forecast Valid:
8am PDT Aug 1, 2026-6pm PDT Aug 7, 2026
 
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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