Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

59°F

15°C

Humidity 82%
Wind Speed S 3 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 10 Apr 01:52 PM PDT
Extended Forecast for

11 Miles WSW Wilderville OR

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers and possibly a thunderstorm after 5pm.  Snow level 7200 feet. High near 50. West southwest wind around 10 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 50 °F

    Showers

  • Tonight

    Tonight: Rain and possibly a thunderstorm before 4am, then rain likely.  Snow level 6700 feet lowering to 5800 feet after midnight . Low around 42. South southwest wind around 11 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 42 °F

    Rain

  • Saturday

    Saturday: Rain before 11am, then showers and possibly a thunderstorm, mainly after 11am.  Snow level 5700 feet lowering to 5000 feet in the afternoon . High near 43. South wind 8 to 11 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 43 °F

    Showers

  • Saturday Night

    Saturday Night: Rain before 5am, then rain likely, possibly mixed with snow.  Snow level 5000 feet. Low around 40. West southwest wind around 9 mph becoming northeast in the evening.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 40 °F

    Rain then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Rain, possibly mixed with snow, becoming all rain after 2pm. Some thunder is also possible.  Snow level 4200 feet rising to 4800 feet in the afternoon. High near 41. Southwest wind around 9 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 41 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Rain likely, possibly mixed with snow before 2am, then a chance of snow.  Snow level 4800 feet lowering to 4200 feet after midnight . Mostly cloudy, with a low around 40. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 40 °F

    Rain/Snow
    Likely

  • Monday

    Monday: Snow likely before 2pm, then rain likely, possibly mixed with snow.  Snow level rising to 4800 feet in the afternoon. Mostly cloudy, with a high near 42. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 42 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Monday Night

    Monday Night: A chance of rain before 11pm.  Snow level 4900 feet lowering to 4200 feet after midnight . Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers and possibly a thunderstorm after 5pm. Snow level 7200 feet. High near 50. West southwest wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain and possibly a thunderstorm before 4am, then rain likely. Snow level 6700 feet lowering to 5800 feet after midnight . Low around 42. South southwest wind around 11 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Rain before 11am, then showers and possibly a thunderstorm, mainly after 11am. Snow level 5700 feet lowering to 5000 feet in the afternoon . High near 43. South wind 8 to 11 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Rain before 5am, then rain likely, possibly mixed with snow. Snow level 5000 feet. Low around 40. West southwest wind around 9 mph becoming northeast in the evening. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday
Rain, possibly mixed with snow, becoming all rain after 2pm. Some thunder is also possible. Snow level 4200 feet rising to 4800 feet in the afternoon. High near 41. Southwest wind around 9 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday Night
Rain likely, possibly mixed with snow before 2am, then a chance of snow. Snow level 4800 feet lowering to 4200 feet after midnight . Mostly cloudy, with a low around 40. Chance of precipitation is 70%. Little or no snow accumulation expected.
Monday
Snow likely before 2pm, then rain likely, possibly mixed with snow. Snow level rising to 4800 feet in the afternoon. Mostly cloudy, with a high near 42. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday Night
A chance of rain before 11pm. Snow level 4900 feet lowering to 4200 feet after midnight . Mostly cloudy, with a low around 38.
Tuesday
Partly sunny, with a high near 47.
Tuesday Night
A chance of rain. Snow level 4800 feet lowering to 4200 feet. Mostly cloudy, with a low around 40.
Wednesday
Rain likely. Snow level 4400 feet. Mostly cloudy, with a high near 41.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 33.
Thursday
A slight chance of snow. Sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Wilderville OR
 42.34°N 123.66°W (Elev. 4183 ft)
1:36 pm PDT Apr 10, 2026
2pm PDT Apr 10, 2026-6pm PDT Apr 16, 2026
 
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