Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

37°F

3°C

Humidity 96%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 21 Feb 02:52 AM PST
Extended Forecast for

17 Miles SSE Agness OR

  • Overnight

    Overnight: Rain likely, possibly mixed with snow, mainly after 4am.  Snow level 3500 feet. Cloudy, with a steady temperature around 37. Breezy, with a south wind around 23 mph.  Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 37 °F

    Rain/Snow
    Likely and
    Breezy

  • Saturday

    Saturday: Rain likely, mainly before 9am.  Snow level 3900 feet rising to 4600 feet in the afternoon. Mostly cloudy, with a high near 45. Breezy, with a south wind 22 to 24 mph, with gusts as high as 29 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Rain Likely
    and Breezy

  • Saturday Night

    Saturday Night: Rain, mainly after midnight. The rain could be heavy at times.  Snow level 4900 feet rising to 5700 feet after midnight. Low around 41. Windy, with a south southeast wind around 30 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 41 °F

    Rain Likely
    and Windy
    then Heavy
    Rain and
    Breezy

  • Sunday

    Sunday: Rain. The rain could be heavy at times.  Snow level 4900 feet rising to 5600 feet in the afternoon. High near 47. Breezy, with a south wind 22 to 25 mph, with gusts as high as 29 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 47 °F

    Heavy Rain
    and Breezy

  • Sunday Night

    Sunday Night: Rain.  Low around 47. Breezy, with a south wind 22 to 25 mph, with gusts as high as 29 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Rain and
    Breezy

  • Monday

    Monday: Rain.  High near 50. Breezy.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 50 °F

    Rain and
    Breezy

  • Monday Night

    Monday Night: Rain. The rain could be heavy at times.  Low around 47. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 47 °F

    Heavy Rain

  • Tuesday

    Tuesday: Rain.  Snow level 6300 feet lowering to 5300 feet in the afternoon . Mostly cloudy, with a high near 48.

    High: 48 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely before 4am, then a chance of rain and snow.  Snow level 4500 feet lowering to 3800 feet after midnight . Mostly cloudy, with a low around 41.

    Low: 41 °F

    Rain Likely
    then Chance
    Rain/Snow

Detailed Forecast

Overnight
Rain likely, possibly mixed with snow, mainly after 4am. Snow level 3500 feet. Cloudy, with a steady temperature around 37. Breezy, with a south wind around 23 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Saturday
Rain likely, mainly before 9am. Snow level 3900 feet rising to 4600 feet in the afternoon. Mostly cloudy, with a high near 45. Breezy, with a south wind 22 to 24 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain, mainly after midnight. The rain could be heavy at times. Snow level 4900 feet rising to 5700 feet after midnight. Low around 41. Windy, with a south southeast wind around 30 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Rain. The rain could be heavy at times. Snow level 4900 feet rising to 5600 feet in the afternoon. High near 47. Breezy, with a south wind 22 to 25 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Sunday Night
Rain. Low around 47. Breezy, with a south wind 22 to 25 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain. High near 50. Breezy. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Monday Night
Rain. The rain could be heavy at times. Low around 47. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Tuesday
Rain. Snow level 6300 feet lowering to 5300 feet in the afternoon . Mostly cloudy, with a high near 48.
Tuesday Night
Rain likely before 4am, then a chance of rain and snow. Snow level 4500 feet lowering to 3800 feet after midnight . Mostly cloudy, with a low around 41.
Wednesday
A chance of rain and snow before 10am, then a chance of rain. Snow level 3300 feet rising to 4000 feet in the afternoon. Partly sunny, with a high near 50.
Wednesday Night
A chance of rain. Snow level 4000 feet. Mostly cloudy, with a low around 38.
Thursday
A chance of rain. Snow level 3900 feet rising to 4700 feet in the afternoon. Partly sunny, with a high near 53.
Thursday Night
A chance of rain. Snow level 4800 feet. Mostly cloudy, with a low around 40.
Friday
A chance of rain. Snow level 4400 feet rising to 5100 feet in the afternoon. Partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles SSE Agness OR
 42.32°N 123.96°W (Elev. 2408 ft)
2:17 am PST Feb 21, 2026
3am PST Feb 21, 2026-6pm PST Feb 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database