Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

60°F

16°C

Humidity 68%
Wind Speed S 4 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 14 Mar 11:52 AM PDT
Extended Forecast for

17 Miles SSE Agness OR

  • This Afternoon

    This Afternoon: A 30 percent chance of rain between 2pm and 4pm.  Snow level 4700 feet. Mostly sunny, with a high near 52. North wind 6 to 8 mph.

    High: 52 °F

    Chance Rain

  • Tonight

    Tonight: Mostly clear, with a low around 38. East northeast wind 7 to 10 mph.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 64. East wind 3 to 7 mph.

    High: 64 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 50. Northwest wind around 5 mph becoming east after midnight.

    Low: 50 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 70. East southeast wind around 6 mph becoming light and variable  in the morning.

    High: 70 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of rain between 2pm and 4pm. Snow level 4700 feet. Mostly sunny, with a high near 52. North wind 6 to 8 mph.
Tonight
Mostly clear, with a low around 38. East northeast wind 7 to 10 mph.
Sunday
Partly sunny, with a high near 64. East wind 3 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 50. Northwest wind around 5 mph becoming east after midnight.
Monday
Mostly sunny, with a high near 70. East southeast wind around 6 mph becoming light and variable in the morning.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
A slight chance of rain after 11pm. Mostly cloudy, with a low around 51.
Thursday
A slight chance of rain. Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles SSE Agness OR
 42.32°N 123.96°W (Elev. 2408 ft)
10:41 am PDT Mar 14, 2026
12pm PDT Mar 14, 2026-6pm PDT Mar 20, 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