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

31°F

-1°C

Humidity 100%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 18 Apr 06:52 AM PDT
Extended Forecast for

16 Miles SE Agness OR

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 71. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 71 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. West northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 10 percent chance of rain.  Mostly cloudy, with a high near 68. Light and variable wind becoming west 5 to 9 mph in the morning.

    High: 68 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain.  Mostly cloudy, with a low around 49. West northwest wind 5 to 8 mph becoming light and variable  in the evening.

    Low: 49 °F

    Chance Rain

  • Monday

    Monday: Rain.  High near 62. Light and variable wind becoming southwest 5 to 8 mph in the morning.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 62 °F

    Rain

  • Monday Night

    Monday Night: Rain.  Low around 48. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Rain

  • Tuesday

    Tuesday: Rain likely, then showers and possibly a thunderstorm after 11am.  High near 57. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Rain

  • Wednesday

    Wednesday: Rain.  Cloudy, with a high near 53.

    High: 53 °F

    Rain

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 71. Calm wind becoming west 5 to 7 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 50. West northwest wind 5 to 7 mph becoming calm in the evening.
Sunday
A 10 percent chance of rain. Mostly cloudy, with a high near 68. Light and variable wind becoming west 5 to 9 mph in the morning.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 49. West northwest wind 5 to 8 mph becoming light and variable in the evening.
Monday
Rain. High near 62. Light and variable wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Rain. Low around 48. 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. High near 57. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Rain. Mostly cloudy, with a low around 45.
Wednesday
Rain. Cloudy, with a high near 53.
Wednesday Night
A chance of rain. Snow level 4900 feet lowering to 4100 feet after midnight . Mostly cloudy, with a low around 43.
Thursday
A chance of rain. Snow level 3900 feet rising to 5000 feet in the afternoon. Partly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Sunny, with a high near 66.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles SE Agness OR
 42.38°N 123.82°W (Elev. 1316 ft)
4:40 am PDT Apr 18, 2026
7am PDT Apr 18, 2026-6pm PDT Apr 24, 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