Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

49°F

9°C

Humidity 68%
Wind Speed WSW 4 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Wind Chill48°F (9°C)
Last update 14 Apr 07:52 PM PDT
Extended Forecast for

16 Miles SE Agness OR

  • Tonight

    Tonight: Rain.  Snow level 4600 feet. Low around 40. South southwest wind 7 to 9 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain

  • Wednesday

    Wednesday: Rain before 2pm, then rain likely after 5pm.  Snow level 5400 feet lowering to 3100 feet in the afternoon . High near 43. Southwest wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 43 °F

    Rain then
    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain and snow likely, becoming all snow after 8pm.  Mostly cloudy, with a low around 32. West northwest wind 6 to 11 mph becoming light  after midnight.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Thursday

    Thursday: A 30 percent chance of snow before 11am.  Mostly sunny, with a high near 49. Light north northwest wind becoming north 5 to 10 mph in the afternoon.  Little or no snow accumulation expected.

    High: 49 °F

    Chance Snow
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 35. Northeast wind 7 to 9 mph.

    Low: 35 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain, mainly after 11am.  Snow level 4500 feet rising to 6200 feet in the afternoon. Partly sunny, with a high near 58.

    High: 58 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Rain Likely

Detailed Forecast

Tonight
Rain. Snow level 4600 feet. Low around 40. South southwest wind 7 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain before 2pm, then rain likely after 5pm. Snow level 5400 feet lowering to 3100 feet in the afternoon . High near 43. Southwest wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Rain and snow likely, becoming all snow after 8pm. Mostly cloudy, with a low around 32. West northwest wind 6 to 11 mph becoming light after midnight. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
A 30 percent chance of snow before 11am. Mostly sunny, with a high near 49. Light north northwest wind becoming north 5 to 10 mph in the afternoon. Little or no snow accumulation expected.
Thursday Night
Mostly clear, with a low around 35. Northeast wind 7 to 9 mph.
Friday
Mostly sunny, with a high near 58.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
A chance of rain, mainly after 11am. Snow level 4500 feet rising to 6200 feet in the afternoon. Partly sunny, with a high near 58.
Saturday Night
Rain likely. Mostly cloudy, with a low around 46.
Sunday
Rain. Snow level 4700 feet. Cloudy, with a high near 48.
Sunday Night
Rain. Snow level 4700 feet lowering to 4100 feet after midnight . Mostly cloudy, with a low around 43.
Monday
Rain likely. Snow level 4000 feet rising to 4600 feet in the afternoon. Mostly cloudy, with a high near 49.
Monday Night
A chance of rain. Snow level 4600 feet. Mostly cloudy, with a low around 41.
Tuesday
A chance of rain. Snow level 4300 feet rising to 5100 feet in the afternoon. Partly sunny, with a high near 53.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles SE Agness OR
 42.4°N 123.83°W (Elev. 2582 ft)
7:27 pm PDT Apr 14, 2026
8pm PDT Apr 14, 2026-6pm PDT Apr 21, 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