Heavy Rainfall Threat The Next Few Days Across The Eastern U.S.

A strong cold front will gradually push through the Eastern U.S. over the next few days and will likely produce heavy rain and severe weather. The rainfall may become excessive and result in flash flooding. Flash flood watches are currently in effect from the coastal Carolinas to the Great Lakes. Read More >

Current conditions at

San Bernardino Intl. Airport (KSBD)

Lat: 34.09027°NLon: 117.24705°WElev: 1086ft.

Clear

104°F

40°C

Humidity 8%
Wind Speed WNW 6 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 21 Sep 03:52 PM PDT
Extended Forecast for

Grand Terrace CA

Heat Advisory until September 22, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until September 22, 08:00pm

    NOW until
    8:00pm Wed

    Heat Advisory

  • This
    Afternoon

    This Afternoon: Sunny, with a high near 101. West wind around 15 mph, with gusts as high as 25 mph.

    Sunny

    High: 101 °F

  • Tonight

    Tonight: Clear, with a low around 69. West wind 5 to 10 mph becoming light and variable  in the evening.

    Clear

    Low: 69 °F

  • Wednesday

    Wednesday: Sunny, with a high near 102. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    Sunny

    High: 102 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 68. Southwest wind 5 to 10 mph becoming southeast after midnight.

    Mostly Clear

    Low: 68 °F

  • Thursday

    Thursday: Sunny, with a high near 92. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    Sunny

    High: 92 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 64.

    Mostly Clear

    Low: 64 °F

  • Friday

    Friday: Sunny, with a high near 90.

    Sunny

    High: 90 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 63.

    Mostly Clear

    Low: 63 °F

Detailed Forecast

This Afternoon
Sunny, with a high near 101. West wind around 15 mph, with gusts as high as 25 mph.
Tonight
Clear, with a low around 69. West wind 5 to 10 mph becoming light and variable in the evening.
Wednesday
Sunny, with a high near 102. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 68. Southwest wind 5 to 10 mph becoming southeast after midnight.
Thursday
Sunny, with a high near 92. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 83.
Click Map For Forecast
Point Forecast:
Grand Terrace CA
 34.03°N 117.3°W (Elev. 1122 ft)
1:54 pm PDT Sep 21, 2021
5pm PDT Sep 21, 2021-6pm PDT Sep 28, 2021
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database