Severe Thunderstorms in the Central U.S.; Record Temperatures Likely for Eastern U.S.

Several rounds of severe thunderstorms and heavy rain are forecast from the southern Plains to the Midwest through Friday. Large hail, damaging wind gusts, and tornadoes are possible. A significant warm-up is expected for much of the Eastern U.S. into next week. Several daily record temperature records are likely to be broken. Fire weather concerns will return to the central/southern High Plains. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

37°F

3°C

Humidity 100%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 04 Mar 11:52 PM PST
Extended Forecast for

16 Miles SE Agness OR

  • Overnight

    Overnight: A 50 percent chance of showers, mainly before 5am.  Snow level 3500 feet. Mostly cloudy, with a low around 35. West wind around 6 mph.

    Low: 35 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of rain and snow showers before 9am, then rain showers likely.  Snow level 3000 feet rising to 3800 feet in the afternoon. Partly sunny, with a high near 43. Calm wind becoming northwest 5 to 7 mph in the afternoon.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow
    Likely then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly before 10pm.  Snow level 3800 feet rising to 4600 feet after midnight. Mostly cloudy, with a low around 35. Northeast wind around 6 mph.

    Low: 35 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly before 4pm.  Snow level 5200 feet rising to 6000 feet in the afternoon. Partly sunny, with a high near 49. Northwest wind around 7 mph.

    High: 49 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers before 10pm.  Partly cloudy, with a low around 40. Northeast wind around 8 mph.

    Low: 40 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers after 4pm.  Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers, mainly after 10pm.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 50 percent chance of showers, mainly before 5am. Snow level 3500 feet. Mostly cloudy, with a low around 35. West wind around 6 mph.
Thursday
A chance of rain and snow showers before 9am, then rain showers likely. Snow level 3000 feet rising to 3800 feet in the afternoon. Partly sunny, with a high near 43. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
A 30 percent chance of showers, mainly before 10pm. Snow level 3800 feet rising to 4600 feet after midnight. Mostly cloudy, with a low around 35. Northeast wind around 6 mph.
Friday
A 30 percent chance of showers, mainly before 4pm. Snow level 5200 feet rising to 6000 feet in the afternoon. Partly sunny, with a high near 49. Northwest wind around 7 mph.
Friday Night
A 20 percent chance of showers before 10pm. Partly cloudy, with a low around 40. Northeast wind around 8 mph.
Saturday
Sunny, with a high near 61.
Saturday Night
Mostly clear, with a low around 47.
Sunday
A slight chance of showers after 4pm. Mostly sunny, with a high near 63.
Sunday Night
A chance of showers, mainly after 10pm. Mostly cloudy, with a low around 45.
Monday
A chance of showers, mainly before 4pm. Snow level 4300 feet. Mostly cloudy, with a high near 53.
Monday Night
A chance of showers. Snow level 4200 feet lowering to 3300 feet after midnight . Mostly cloudy, with a low around 38.
Tuesday
A chance of showers. Snow level 3400 feet rising to 4200 feet in the afternoon. Mostly cloudy, with a high near 48.
Tuesday Night
A chance of showers. Snow level 4000 feet. Mostly cloudy, with a low around 40.
Wednesday
A chance of showers. Snow level 4800 feet rising to 5300 feet in the afternoon. Partly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles SE Agness OR
 42.4°N 123.83°W (Elev. 2582 ft)
9:40 pm PST Mar 4, 2026
12am PST Mar 5, 2026-6pm PDT Mar 11, 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