Impacts from Rachel

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Current conditions at

San Bernardino Intl. Airport (KSBD)

Lat: 34.09027°NLon: 117.24705°WElev: 1086.0ft.

heavy rain

61°F

16°C

Humidity 84%
Wind Speed WSW 8 MPH
Barometer 29.51 in (999.32 mb)
Dewpoint 56°F (13°C)
Visibility 3.00 mi
Last update 11 Oct 05:40 AM PDT
Extended Forecast for

Grand Terrace CA

Flood Advisory until October 11, 08:00am
Click here for hazard details and duration
...
  •  
    Flood Advisory until October 11, 08:00am

    NOW until 8:00am Sun

    Flood Advisory

  • Today

    High: 69 °F

    Showers then
    Showers
    Likely

  • Tonight

    Tonight: Showers likely, mainly after 11pm.  Cloudy, with a low around 56. South wind 5 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 56 °F

    Showers
    Likely

  • Columbus Day

    Columbus Day: Showers likely.  Cloudy, with a high near 63. South wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers.  Mostly cloudy, with a low around 52. Southwest wind 5 to 10 mph becoming southeast after midnight.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 67. Calm wind.

    High: 67 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 51.

    Low: 51 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

Detailed Forecast

Today
Showers. High near 69. Southwest wind 10 to 15 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Tonight
Showers likely, mainly after 11pm. Cloudy, with a low around 56. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Columbus Day
Showers likely. Cloudy, with a high near 63. South wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A chance of showers. Mostly cloudy, with a low around 52. Southwest wind 5 to 10 mph becoming southeast after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 67. Calm wind.
Tuesday Night
Clear, with a low around 51.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Clear, with a low around 55.
Thursday
Sunny, with a high near 83.
Thursday Night
Clear, with a low around 60.
Friday
Sunny, with a high near 85.
Friday Night
Clear, with a low around 61.
Saturday
Sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Terrace CA
 34.03°N 117.3°W (Elev. 1122 ft)
4:20 am PDT Oct 11, 2026
7am PDT Oct 11, 2026-6pm PDT Oct 17, 2026
 
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Additional Resources

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