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

104°F

40°C

Humidity 6%
Wind Speed W 19 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 01 Aug 07:55 PM PDT
Extended Forecast for

25 Miles N Barstow CA

Extreme Heat Warning August 1, 08:49pm until August 2, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 1, 08:49pm until August 2, 08:00pm

    NOW until 8:00pm Sun

    Extreme Heat Warning

  • Tonight

    Low: 79 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 105. West southwest wind 10 to 20 mph, with gusts as high as 26 mph.

    High: 105 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. Breezy, with a west southwest wind 16 to 21 mph, with gusts as high as 29 mph.

    Low: 77 °F

    Mostly Clear
    and Breezy
    then Clear

  • Monday

    Monday: Sunny, with a high near 104. West southwest wind 9 to 15 mph, with gusts as high as 22 mph.

    High: 104 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 75. West wind 13 to 18 mph, with gusts as high as 28 mph.

    Low: 75 °F

    Clear

  • Tuesday

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

    High: 105 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 75.

    Low: 75 °F

    Clear

  • Wednesday

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

    High: 105 °F

    Hot

Detailed Forecast

Tonight
Clear, with a low around 79. West wind 13 to 17 mph, with gusts as high as 26 mph.
Sunday
Sunny and hot, with a high near 105. West southwest wind 10 to 20 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 77. Breezy, with a west southwest wind 16 to 21 mph, with gusts as high as 29 mph.
Monday
Sunny, with a high near 104. West southwest wind 9 to 15 mph, with gusts as high as 22 mph.
Monday Night
Clear, with a low around 75. West wind 13 to 18 mph, with gusts as high as 28 mph.
Tuesday
Sunny and hot, with a high near 105.
Tuesday Night
Clear, with a low around 75.
Wednesday
Sunny and hot, with a high near 105.
Wednesday Night
Clear, with a low around 75.
Thursday
Sunny, with a high near 104.
Thursday Night
Mostly clear, with a low around 78.
Friday
Sunny, with a high near 104.
Friday Night
Mostly clear, with a low around 78.
Saturday
Sunny, with a high near 104.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
25 Miles N Barstow CA
 35.19°N 116.76°W (Elev. 3156 ft)
Last Update:
5:27 pm PDT Aug 1, 2026
Forecast Valid:
8pm PDT Aug 1, 2026-6pm PDT Aug 8, 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