Fire Weather Concerns for the Plains; Record Warmth Spreads

Dry and breezy conditions prevail across the High Plains where elevated to locally critical conditions continue through Thursday. Meanwhile, record warmth increases and spreads across the South, Southwest and into southern California into this last weekend of February. Meanwhile, a fast moving system moves across the Plains then off the mid-Atlantic by Thursday evening. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

41°F

5°C

Humidity 99%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 25 Feb 11:52 PM PST
Extended Forecast for

3 Miles SE Illinois Valley OR

  • Overnight

    Overnight: Widespread dense fog.  Otherwise, mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Dense Fog

  • Thursday

    Thursday: Widespread fog before 1pm, then patchy fog after 4pm.  Otherwise, mostly sunny, with a high near 58. Calm wind.

    High: 58 °F

    Fog

  • Thursday Night

    Thursday Night: Patchy dense fog.  Otherwise, partly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Patchy Dense
    Fog

  • Friday

    Friday: Patchy fog before 10am.  Otherwise, partly sunny, with a high near 63. Light north wind.

    High: 63 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly after 4am.  Mostly cloudy, with a low around 43. Light east wind.

    Low: 43 °F

    Chance Rain

  • Saturday

    Saturday: Rain likely and possibly a thunderstorm before 1pm, then rain likely between 1pm and 4pm, then showers after 4pm.  High near 57. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Showers

  • Saturday Night

    Saturday Night: Showers.  Patchy fog after 1am. Low around 42. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Showers and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers.  Patchy fog before 1pm.  Otherwise, mostly cloudy, with a high near 58.

    High: 58 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: A chance of rain, mainly before 4am.  Patchy fog between 10pm and 1am.  Otherwise, mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain
    and Patchy
    Fog

Detailed Forecast

Overnight
Widespread dense fog. Otherwise, mostly cloudy, with a low around 32. Calm wind.
Thursday
Widespread fog before 1pm, then patchy fog after 4pm. Otherwise, mostly sunny, with a high near 58. Calm wind.
Thursday Night
Patchy dense fog. Otherwise, partly cloudy, with a low around 36. Calm wind.
Friday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 63. Light north wind.
Friday Night
A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 43. Light east wind.
Saturday
Rain likely and possibly a thunderstorm before 1pm, then rain likely between 1pm and 4pm, then showers after 4pm. High near 57. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers. Patchy fog after 1am. Low around 42. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A chance of showers. Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 58.
Sunday Night
A chance of rain, mainly before 4am. Patchy fog between 10pm and 1am. Otherwise, mostly cloudy, with a low around 37.
Monday
A slight chance of rain before 10am. Mostly sunny, with a high near 62.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Partly sunny, with a high near 64.
Tuesday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 37.
Wednesday
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Illinois Valley OR
 42.08°N 123.65°W (Elev. 1644 ft)
10:26 pm PST Feb 25, 2026
12am PST Feb 26, 2026-6pm PST Mar 4, 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