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

47°F

8°C

Humidity 72%
Wind Speed SSW 4 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 14 Apr 11:52 PM PDT
Extended Forecast for

12 Miles W Happy Camp CA

Freeze Watch April 17, 03:00am until April 17, 09:00am
Click here for hazard details and duration
Freeze Watch
  • Overnight

    Overnight: Snow likely before 5am, then rain and snow.  Low around 35. Southwest wind 11 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 35 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow before 4pm, then a chance of snow after 5pm.  High near 36. Southwest wind 14 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24. West northwest wind 8 to 15 mph, with gusts as high as 23 mph.

    Low: 24 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 41. North wind 8 to 13 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 30 mph.

    High: 41 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 28. East northeast wind 13 to 16 mph, with gusts as high as 24 mph.

    Low: 28 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain after 11am.  Snow level 5400 feet rising to 6900 feet in the afternoon. Partly sunny, with a high near 52.

    High: 52 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Rain likely before 5am, then snow, possibly mixed with rain.  Snow level 7200 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 41.

    Low: 41 °F

    Rain Likely
    then
    Rain/Snow

Detailed Forecast

Overnight
Snow likely before 5am, then rain and snow. Low around 35. Southwest wind 11 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Rain and snow before 4pm, then a chance of snow after 5pm. High near 36. Southwest wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around 24. West northwest wind 8 to 15 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 41. North wind 8 to 13 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 30 mph.
Thursday Night
Clear, with a low around 28. East northeast wind 13 to 16 mph, with gusts as high as 24 mph.
Friday
Sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 38.
Saturday
A slight chance of rain after 11am. Snow level 5400 feet rising to 6900 feet in the afternoon. Partly sunny, with a high near 52.
Saturday Night
Rain likely before 5am, then snow, possibly mixed with rain. Snow level 7200 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 41.
Sunday
Rain and snow, becoming all rain after 8am. Snow level 6000 feet lowering to 5400 feet. Mostly cloudy, with a high near 44.
Sunday Night
Rain and snow likely. Snow level 5500 feet lowering to 5000 feet after midnight . Mostly cloudy, with a low around 39.
Monday
Rain and snow likely. Snow level rising to 5600 feet in the afternoon. Mostly cloudy, with a high near 48.
Monday Night
A chance of rain and snow. Snow level 5600 feet. Mostly cloudy, with a low around 40.
Tuesday
A chance of rain and snow. Snow level 5300 feet rising to 6100 feet in the afternoon. Partly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Happy Camp CA
 41.79°N 123.59°W (Elev. 5000 ft)
11:26 pm PDT Apr 14, 2026
12am PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
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Additional Resources

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