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Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast

Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains. Read More >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

51°F

11°C

Humidity 42%
Wind Speed NNE 10 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 16 Apr 11:52 AM PDT
Extended Forecast for

16 Miles SE Agness OR

Freeze Warning April 17, 12:00am until April 17, 11:00am
Click here for hazard details and duration
Freeze Warning

  • This Afternoon

    This Afternoon: Sunny, with a high near 48. North northeast wind around 8 mph.

    High: 48 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. East wind 8 to 10 mph.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 59. East northeast wind 5 to 10 mph.

    High: 59 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45. North northwest wind around 6 mph becoming light and variable in the evening.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 62. Light and variable wind becoming west southwest around 6 mph in the afternoon.

    High: 62 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

  • Sunday

    Sunday: A 50 percent chance of rain. Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance Rain

  • Sunday Night

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

    Low: 46 °F

    Rain Likely

  • Monday

    Monday: Rain likely. Mostly cloudy, with a high near 55.

    High: 55 °F

    Rain Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 48. North northeast wind around 8 mph.
Tonight
Mostly clear, with a low around 34. East wind 8 to 10 mph.
Friday
Mostly sunny, with a high near 59. East northeast wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 45. North northwest wind around 6 mph becoming light and variable in the evening.
Saturday
Mostly sunny, with a high near 62. Light and variable wind becoming west southwest around 6 mph in the afternoon.
Saturday Night
A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 49.
Sunday
A 50 percent chance of rain. Mostly cloudy, with a high near 56.
Sunday Night
Rain likely. Mostly cloudy, with a low around 46.
Monday
Rain likely. Mostly cloudy, with a high near 55.
Monday Night
Rain. Snow level 6100 feet lowering to 5500 feet after midnight . Mostly cloudy, with a low around 45.
Tuesday
Rain likely. Snow level 5500 feet. Mostly cloudy, with a high near 56.
Tuesday Night
Rain likely. Snow level 5500 feet. Mostly cloudy, with a low around 46.
Wednesday
Rain likely. Snow level 5200 feet. Mostly cloudy, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles SE Agness OR
 42.4°N 123.83°W (Elev. 2582 ft)
Last Update:
11:52 am PDT Apr 16, 2026
Forecast Valid:
12pm PDT Apr 16, 2026-6pm PDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation