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 05:52 AM PDT
Extended Forecast for

14 Miles SE Agness OR

Frost Advisory April 16, 06:03am 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, 06:03am until April 16, 09:00am

    NOW until 9:00am Thu

    Frost Advisory

  • Today

    High: 49 °F

    Slight Chance
    Snow then
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. Northeast wind 6 to 9 mph.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 61. Northeast wind around 6 mph.

    High: 61 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43. North northwest wind around 6 mph becoming light and variable  in the evening.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 63. Light and variable wind becoming southwest 5 to 9 mph in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely.  Mostly cloudy, with a high near 53. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain.  Snow level 5500 feet. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Rain

Detailed Forecast

Today
A slight chance of snow between 8am and 10am. Snow level rising to 3500 feet in the afternoon. Mostly sunny, with a high near 49. North northeast wind 5 to 11 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 34. Northeast wind 6 to 9 mph.
Friday
Mostly sunny, with a high near 61. Northeast wind around 6 mph.
Friday Night
Partly cloudy, with a low around 43. North northwest wind around 6 mph becoming light and variable in the evening.
Saturday
Mostly sunny, with a high near 63. Light and variable wind becoming southwest 5 to 9 mph in the afternoon.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 49.
Sunday
Rain likely. Mostly cloudy, with a high near 53. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain. Snow level 5500 feet. Mostly cloudy, with a low around 46.
Monday
Rain likely. Snow level 5100 feet. Mostly cloudy, with a high near 53.
Monday Night
Rain likely, mainly before 11pm. Snow level 5300 feet. Mostly cloudy, with a low around 45.
Tuesday
Rain likely. Snow level 5000 feet rising to 5500 feet in the afternoon. Mostly cloudy, with a high near 52.
Tuesday Night
Rain likely. Snow level 5700 feet lowering to 5100 feet after midnight . Mostly cloudy, with a low around 45.
Wednesday
A chance of rain. Snow level 5100 feet. Partly sunny, with a high near 53.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SE Agness OR
 42.42°N 123.87°W (Elev. 2461 ft)
4:40 am PDT Apr 16, 2026
6am PDT Apr 16, 2026-6pm PDT Apr 22, 2026
 
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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