Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast

Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10386°NLon: 123.68519°WElev: 1389.0ft.

NA

29°F

-2°C

Humidity 100%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 16 Apr 06:52 AM PDT
Extended Forecast for

17 Miles WNW Illinois Valley OR

Frost Advisory April 16, 07:16am until April 16, 09:00am
Freeze Warning April 17, 03:00am until April 17, 09:00am
Click here for hazard details and duration
...
Freeze Warning
  •  
    Frost Advisory April 16, 07:16am until April 16, 09:00am

    NOW until 9:00am Thu

    Frost Advisory

  • Today

    High: 44 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 33. East wind 17 to 20 mph, with gusts as high as 30 mph.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 54. East wind 16 to 21 mph becoming north 9 to 14 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 54 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40. West wind 9 to 11 mph becoming east southeast in the evening.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 55. Southeast wind 8 to 16 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph.

    High: 55 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Rain likely, mainly after 11pm.  Snow level 6200 feet rising to 6800 feet after midnight. Mostly cloudy, with a low around 44. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Rain Likely

  • Sunday

    Sunday: Rain likely.  Snow level 6400 feet. Mostly cloudy, with a high near 47. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain.  Snow level 5400 feet. Cloudy, with a low around 43.

    Low: 43 °F

    Rain

Detailed Forecast

Today
Sunny, with a high near 44. North northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 33. East wind 17 to 20 mph, with gusts as high as 30 mph.
Friday
Mostly sunny, with a high near 54. East wind 16 to 21 mph becoming north 9 to 14 mph in the afternoon. Winds could gust as high as 31 mph.
Friday Night
Partly cloudy, with a low around 40. West wind 9 to 11 mph becoming east southeast in the evening.
Saturday
Mostly sunny, with a high near 55. Southeast wind 8 to 16 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph.
Saturday Night
Rain likely, mainly after 11pm. Snow level 6200 feet rising to 6800 feet after midnight. Mostly cloudy, with a low around 44. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain likely. Snow level 6400 feet. Mostly cloudy, with a high near 47. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain. Snow level 5400 feet. Cloudy, with a low around 43.
Monday
Rain. Snow level 5000 feet. Mostly cloudy, with a high near 46.
Monday Night
Rain likely. Snow level 5200 feet. Mostly cloudy, with a low around 41.
Tuesday
Rain likely. Snow level 5000 feet rising to 5500 feet in the afternoon. Mostly cloudy, with a high near 44.
Tuesday Night
Rain likely. Snow level 5600 feet lowering to 5100 feet after midnight . Mostly cloudy, with a low around 42.
Wednesday
A chance of rain. Snow level 5100 feet. Partly sunny, with a high near 47.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles WNW Illinois Valley OR
 42.18°N 123.98°W (Elev. 4344 ft)
4:40 am PDT Apr 16, 2026
7am PDT Apr 16, 2026-6pm PDT Apr 22, 2026
 
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Additional Resources

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