National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

50°F

10°C

Humidity 95%
Wind Speed S 5 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Wind Chill48°F (9°C)
Last update 15 Apr 10:52 AM PDT
Extended Forecast for

14 Miles S Murphy OR

Freeze Watch April 17, 03:00am until April 17, 09:00am
Frost Advisory April 16, 03:00am until April 16, 09:00am
Click here for hazard details and duration
Freeze Watch
Frost Advisory

  • Today

    Today: Rain and snow before 4pm, then a chance of snow after 5pm. Snow level 5400 feet lowering to 3800 feet. Steady temperature around 40. West southwest wind 15 to 20 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow

  • Tonight

    Tonight: A 40 percent chance of snow between 8pm and midnight. Mostly cloudy, with a low around 29. West northwest wind 6 to 11 mph becoming light west after midnight. Little or no snow accumulation expected.

    Low: 29 °F

    Chance Snow
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 44. Light and variable wind becoming north 5 to 10 mph in the afternoon.

    High: 44 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Widespread frost after 11pm. Otherwise, mostly clear, with a low around 31. North wind 6 to 11 mph becoming light east northeast after midnight.

    Low: 31 °F

    Frost

  • Friday

    Friday: Widespread frost before 8am. Otherwise, sunny, with a high near 55. Light and variable wind becoming north around 5 mph in the afternoon.

    High: 55 °F

    Frost then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of rain after 11am. Snow level 5500 feet rising to 7000 feet in the afternoon. Partly sunny, with a high near 60.

    High: 60 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A chance of rain. Snow level 7400 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely. Snow level 5700 feet. Mostly cloudy, with a high near 52.

    High: 52 °F

    Rain Likely

Detailed Forecast

Today
Rain and snow before 4pm, then a chance of snow after 5pm. Snow level 5400 feet lowering to 3800 feet. Steady temperature around 40. West southwest wind 15 to 20 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tonight
A 40 percent chance of snow between 8pm and midnight. Mostly cloudy, with a low around 29. West northwest wind 6 to 11 mph becoming light west after midnight. Little or no snow accumulation expected.
Thursday
Mostly sunny, with a high near 44. Light and variable wind becoming north 5 to 10 mph in the afternoon.
Thursday Night
Widespread frost after 11pm. Otherwise, mostly clear, with a low around 31. North wind 6 to 11 mph becoming light east northeast after midnight.
Friday
Widespread frost before 8am. Otherwise, sunny, with a high near 55. Light and variable wind becoming north around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 41.
Saturday
A 20 percent chance of rain after 11am. Snow level 5500 feet rising to 7000 feet in the afternoon. Partly sunny, with a high near 60.
Saturday Night
A chance of rain. Snow level 7400 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 46.
Sunday
Rain likely. Snow level 5700 feet. Mostly cloudy, with a high near 52.
Sunday Night
Rain likely, mainly before 11pm. Snow level 5700 feet lowering to 5000 feet after midnight . Mostly cloudy, with a low around 44.
Monday
A chance of rain. Snow level 4900 feet rising to 5700 feet in the afternoon. Partly sunny, with a high near 56.
Monday Night
A chance of rain. Snow level 6000 feet lowering to 5400 feet after midnight . Mostly cloudy, with a low around 44.
Tuesday
A chance of rain. Snow level 5200 feet rising to 6100 feet in the afternoon. Partly sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles S Murphy OR
 42.15°N 123.34°W (Elev. 3570 ft)
Last Update:
10:41 am PDT Apr 15, 2026
Forecast Valid:
11am PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation