Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

32°F

0°C

Humidity 100%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 18 Apr 04:52 AM PDT
Extended Forecast for

14 Miles SE Agness OR

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 65. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 65 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. Southwest wind 5 to 7 mph becoming calm.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 10 percent chance of rain.  Mostly cloudy, with a high near 62. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 62 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain.  Mostly cloudy, with a low around 48. West southwest wind 5 to 8 mph becoming light and variable  in the evening.

    Low: 48 °F

    Chance Rain

  • Monday

    Monday: Rain.  High near 56. East southeast wind 5 to 8 mph becoming southwest in the afternoon.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Rain

  • Monday Night

    Monday Night: Rain.  Low around 47. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Rain

  • Tuesday

    Tuesday: Rain likely, then showers and possibly a thunderstorm after 11am.  Snow level 5500 feet. High near 52. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 52 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain.  Snow level 5400 feet lowering to 4700 feet after midnight . Cloudy, with a low around 45.

    Low: 45 °F

    Rain

  • Wednesday

    Wednesday: Rain.  Snow level 4700 feet. Cloudy, with a high near 48.

    High: 48 °F

    Rain

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 65. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 50. Southwest wind 5 to 7 mph becoming calm.
Sunday
A 10 percent chance of rain. Mostly cloudy, with a high near 62. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 48. West southwest wind 5 to 8 mph becoming light and variable in the evening.
Monday
Rain. High near 56. East southeast wind 5 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Rain. Low around 47. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain likely, then showers and possibly a thunderstorm after 11am. Snow level 5500 feet. High near 52. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Rain. Snow level 5400 feet lowering to 4700 feet after midnight . Cloudy, with a low around 45.
Wednesday
Rain. Snow level 4700 feet. Cloudy, with a high near 48.
Wednesday Night
A chance of rain. Snow level 4900 feet lowering to 4100 feet after midnight . Mostly cloudy, with a low around 42.
Thursday
A chance of rain. Snow level 3900 feet rising to 5000 feet in the afternoon. Partly sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 60.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SE Agness OR
 42.42°N 123.87°W (Elev. 2461 ft)
4:40 am PDT Apr 18, 2026
5am PDT Apr 18, 2026-6pm PDT Apr 24, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database