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

Fire Weather Issues; Pacific System Moving Inland

Dry fuels, strong winds and dry weather will continue to bring elevated to critical fire weather conditions to the areas of the Plains, Midwest and Southeast today. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

42°F

6°C

Humidity 90%
Wind Speed NNE 2 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 20 Apr 02:52 AM PDT
Extended Forecast for

16 Miles ESE Gasquet CA

Winter Weather Advisory April 20, 11:00am until April 21, 11:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: A chance of rain and snow, mainly between 4am and 5am. Snow level 5600 feet. Mostly cloudy, with a steady temperature around 40. East southeast wind around 9 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 40 °F

    Chance
    Rain/Snow

  • Monday

    Monday: Rain and snow before 11am, then snow between 11am and 3pm, then rain, possibly mixed with snow after 3pm. Snow level 5500 feet. High near 40. Southeast wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow

  • Monday Night

    Monday Night: Snow, mainly before midnight. Low around 34. South wind 5 to 11 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 34 °F

    Snow then
    Chance Snow

  • Tuesday

    Tuesday: Snow showers before 2pm, then rain and snow showers. Some thunder is also possible. High near 40. South southeast wind 5 to 7 mph becoming light and variable. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Snow then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Snow showers before 8pm, then snow, mainly between 8pm and 11pm. Some thunder is also possible. Low around 30. West wind 6 to 10 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 30 °F

    Snow Showers
    then Chance
    Snow

  • Wednesday

    Wednesday: Snow likely. Mostly cloudy, with a high near 34. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 34 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 32. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance Snow
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 36.

    Low: 36 °F

    Clear

Detailed Forecast

Overnight
A chance of rain and snow, mainly between 4am and 5am. Snow level 5600 feet. Mostly cloudy, with a steady temperature around 40. East southeast wind around 9 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday
Rain and snow before 11am, then snow between 11am and 3pm, then rain, possibly mixed with snow after 3pm. Snow level 5500 feet. High near 40. Southeast wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Monday Night
Snow, mainly before midnight. Low around 34. South wind 5 to 11 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday
Snow showers before 2pm, then rain and snow showers. Some thunder is also possible. High near 40. South southeast wind 5 to 7 mph becoming light and variable. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow showers before 8pm, then snow, mainly between 8pm and 11pm. Some thunder is also possible. Low around 30. West wind 6 to 10 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Wednesday
Snow likely. Mostly cloudy, with a high near 34. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 32. New snow accumulation of less than a half inch possible.
Thursday
Sunny, with a high near 49.
Thursday Night
Clear, with a low around 36.
Friday
Sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 40.
Saturday
Sunny, with a high near 54.
Saturday Night
A slight chance of rain. Snow level 6900 feet lowering to 6100 feet after midnight . Partly cloudy, with a low around 38.
Sunday
A slight chance of rain. Snow level 5800 feet rising to 6500 feet in the afternoon. Mostly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles ESE Gasquet CA
 41.8°N 123.69°W (Elev. 5463 ft)
Last Update:
2:47 am PDT Apr 20, 2026
Forecast Valid:
3am PDT Apr 20, 2026-6pm PDT Apr 26, 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