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

Hazardous Weather Conditions

Current conditions at

FW0494 San Bernardino CSU SB CA US (F0494)

Lat: 34.18383°NLon: 117.322°WElev: 2887.5ft.

NA

93°F

34°C

Humidity 35%
Wind Speed NNE 4 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 61°F (16°C)
Visibility NA
Heat Index93°F (34°C)
Last update 01 Aug 07:45 PM PDT
Extended Forecast for

4 Miles SSW Crestline CA

Extreme Heat Warning August 1, 08:14pm until August 2, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 1, 08:14pm until August 2, 08:00pm

    NOW until 8:00pm Sun

    Extreme Heat Warning

  • Tonight

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 101. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 101 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70. South wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 99. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 99 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 70. Southwest wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 99.

    High: 99 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 69.

    Low: 69 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 99.

    High: 99 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 73. South wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 101. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 70. South wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 99. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Clear, with a low around 70. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 99.
Tuesday Night
Clear, with a low around 69.
Wednesday
Sunny, with a high near 99.
Wednesday Night
Clear, with a low around 70.
Thursday
Sunny, with a high near 99.
Thursday Night
Mostly clear, with a low around 71.
Friday
Sunny, with a high near 99.
Friday Night
Mostly clear, with a low around 71.
Saturday
Sunny, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Crestline CA
 34.2°N 117.34°W (Elev. 2024 ft)
Last Update:
2:55 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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Chance of Precipitation