Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

58°F

14°C

Humidity 65%
Wind Speed W 5 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 13 Mar 06:52 PM PDT
Extended Forecast for

17 Miles SSE Agness OR

  • Tonight

    Tonight: Rain, mainly after 2am.  Steady temperature around 47. South southwest wind 7 to 10 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Chance Rain
    then Rain

  • Saturday

    Saturday: Rain, mainly before 11am.  Snow level 7500 feet lowering to 4400 feet in the afternoon . High near 52. Southwest wind 5 to 8 mph becoming north northwest in the afternoon.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain then
    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37. East northeast wind 6 to 8 mph.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 63. East wind around 6 mph becoming light and variable  in the morning.

    High: 63 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 48. West northwest wind around 5 mph becoming east after midnight.

    Low: 48 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Monday Night

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

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain, mainly after 2am. Steady temperature around 47. South southwest wind 7 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Rain, mainly before 11am. Snow level 7500 feet lowering to 4400 feet in the afternoon . High near 52. Southwest wind 5 to 8 mph becoming north northwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Partly cloudy, with a low around 37. East northeast wind 6 to 8 mph.
Sunday
Partly sunny, with a high near 63. East wind around 6 mph becoming light and variable in the morning.
Sunday Night
Mostly cloudy, with a low around 48. West northwest wind around 5 mph becoming east after midnight.
Monday
Mostly sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
A slight chance of rain after 11am. Mostly sunny, with a high near 69.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 51.
Thursday
A slight chance of rain. Partly sunny, with a high near 69.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 53.
Friday
A slight chance of rain. Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles SSE Agness OR
 42.32°N 123.96°W (Elev. 2408 ft)
4:41 pm PDT Mar 13, 2026
7pm PDT Mar 13, 2026-6pm PDT Mar 20, 2026
 
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Additional Resources

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