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 >

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

17 Miles SSE 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 47. North northeast wind around 11 mph.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. North northeast wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 58. East northeast wind 5 to 10 mph.

    High: 58 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. North northwest wind around 5 mph becoming southeast after midnight.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 60. Light and variable wind becoming south southwest 5 to 7 mph in the morning.

    High: 60 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely, mainly after 11am.  Mostly cloudy, with a high near 54. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 54 °F

    Rain Likely

  • Sunday Night

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

    Low: 45 °F

    Rain Likely

  • Monday

    Monday: Rain.  Mostly cloudy, with a high near 54.

    High: 54 °F

    Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 47. North northeast wind around 11 mph.
Tonight
Mostly clear, with a low around 34. North northeast wind 10 to 13 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 58. East northeast wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 46. North northwest wind around 5 mph becoming southeast after midnight.
Saturday
Mostly sunny, with a high near 60. Light and variable wind becoming south southwest 5 to 7 mph in the morning.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 48.
Sunday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 54. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain likely. Mostly cloudy, with a low around 45.
Monday
Rain. Mostly cloudy, with a high near 54.
Monday Night
Rain. Snow level 5900 feet lowering to 5400 feet after midnight . Mostly cloudy, with a low around 44.
Tuesday
Rain. Snow level 5400 feet. Mostly cloudy, with a high near 54.
Tuesday Night
Rain likely. Snow level 5400 feet. Mostly cloudy, with a low around 45.
Wednesday
Rain likely. Snow level 5200 feet. Mostly cloudy, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles SSE Agness OR
 42.32°N 123.96°W (Elev. 2408 ft)
11:52 am PDT Apr 16, 2026
12pm PDT Apr 16, 2026-6pm PDT Apr 22, 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