Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

64°F

18°C

Humidity 28%
Wind Speed NE 5 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 17 Apr 01:52 PM PDT
Extended Forecast for

16 Miles SE Agness OR

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 60. Light and variable wind.

    High: 60 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. West northwest wind around 6 mph becoming light and variable  in the evening.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 64. Light and variable wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49. West wind 5 to 8 mph becoming light and variable.

    Low: 49 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain.  Mostly cloudy, with a high near 61. Southeast wind 5 to 7 mph becoming west in the afternoon.

    High: 61 °F

    Slight Chance
    Rain

  • Sunday Night

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

    Low: 49 °F

    Chance Rain

  • Monday

    Monday: Rain.  High near 54. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Rain

  • Monday Night

    Monday Night: Rain.  Mostly cloudy, with a low around 47.

    Low: 47 °F

    Rain

  • Tuesday

    Tuesday: Rain likely, then showers and possibly a thunderstorm after 11am.  Snow level 5600 feet. Mostly cloudy, with a high near 51.

    High: 51 °F

    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 60. Light and variable wind.
Tonight
Mostly cloudy, with a low around 46. West northwest wind around 6 mph becoming light and variable in the evening.
Saturday
Mostly sunny, with a high near 64. Light and variable wind becoming west southwest 5 to 8 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 49. West wind 5 to 8 mph becoming light and variable.
Sunday
A 20 percent chance of rain. Mostly cloudy, with a high near 61. Southeast wind 5 to 7 mph becoming west in the afternoon.
Sunday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 49.
Monday
Rain. High near 54. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Rain. Mostly cloudy, with a low around 47.
Tuesday
Rain likely, then showers and possibly a thunderstorm after 11am. Snow level 5600 feet. Mostly cloudy, with a high near 51.
Tuesday Night
Rain. Snow level 5600 feet lowering to 4900 feet after midnight . Mostly cloudy, with a low around 45.
Wednesday
Rain. Snow level 4900 feet. Mostly cloudy, with a high near 49.
Wednesday Night
A chance of rain. Snow level 5200 feet lowering to 4300 feet after midnight . Mostly cloudy, with a low around 42.
Thursday
A chance of rain. Snow level 4100 feet rising to 5200 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)
12:23 pm PDT Apr 17, 2026
2pm PDT Apr 17, 2026-6pm PDT Apr 23, 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