Heavy Rain and Thunderstorms in the Plains; Snow in the Northern Rockies; Heavy Rain in Guam

A storm system moving over the Rockies today will bring marginal risks for excessive rainfall and severe thunderstorms from parts of New Mexico into western South Dakota. Heavy snow expected from northwestern Wyoming into southern Montana. Ongoing heavy showers and thunderstorms from Invest 96W could result in localized flash flooding, particularly in central or southern Guam early this morning. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10375°NLon: 123.68508°WElev: 1389.0ft.

NA

68°F

20°C

Humidity 47%
Wind Speed SSW 7 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 15 Oct 02:52 PM PDT
Extended Forecast for

17 Miles WNW Illinois Valley OR

  • Tonight

    Tonight: Partly cloudy, with a low around 42. West wind 5 to 7 mph becoming northeast after midnight.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 58. East northeast wind 5 to 9 mph.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49. East northeast wind 6 to 15 mph, with gusts as high as 23 mph.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 59. East northeast wind 7 to 15 mph, with gusts as high as 23 mph.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 48. East northeast wind 7 to 16 mph, with gusts as high as 24 mph.

    Low: 48 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of rain after 11pm.  Partly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms after 11am.  Snow level 8900 feet lowering to 5900 feet in the afternoon . Mostly cloudy, with a high near 48.

    High: 48 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of rain.  Snow level 5800 feet lowering to 5200 feet after midnight . Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 42. West wind 5 to 7 mph becoming northeast after midnight.
Thursday
Sunny, with a high near 58. East northeast wind 5 to 9 mph.
Thursday Night
Partly cloudy, with a low around 49. East northeast wind 6 to 15 mph, with gusts as high as 23 mph.
Friday
Sunny, with a high near 59. East northeast wind 7 to 15 mph, with gusts as high as 23 mph.
Friday Night
Clear, with a low around 48. East northeast wind 7 to 16 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 61.
Saturday Night
A 40 percent chance of rain after 11pm. Partly cloudy, with a low around 46.
Sunday
Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms after 11am. Snow level 8900 feet lowering to 5900 feet in the afternoon . Mostly cloudy, with a high near 48.
Sunday Night
A chance of rain. Snow level 5800 feet lowering to 5200 feet after midnight . Mostly cloudy, with a low around 44.
Monday
A slight chance of rain before 11am. Snow level 5200 feet rising to 6500 feet in the afternoon. Sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles WNW Illinois Valley OR
 42.18°N 123.98°W (Elev. 4344 ft)
2:18 pm PDT Oct 15, 2025
3pm PDT Oct 15, 2025-6pm PDT Oct 22, 2025
 
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Additional Resources

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