
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 critical fire weather to the southern High Plains Friday. A winter storm will track across the Great Lakes and Northeast U.S. Friday 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
25°F
-4°C
| Humidity | 97% |
| Wind Speed | SW 1 MPH |
| Barometer | NA |
| Dewpoint | 24°F (-4°C) |
| Visibility | NA |
| Last update | 19 Feb 10:52 PM PST |
Extended Forecast for
17 Miles SSE Agness OR
Tonight

Low: 24 °F
Partly Cloudy
Friday
High: 37 °F
Partly Sunny
then Chance
Rain/SnowFriday Night

Low: 35 °F⇑
Rain/Snow
Saturday

High: 44 °F
Rain/Snow
Saturday Night

Low: 40 °F
Heavy Rain
and BreezySunday

High: 47 °F
Heavy Rain
Sunday Night

Low: 44 °F
Heavy Rain
Monday

High: 47 °F
Rain
Monday Night

Low: 44 °F
Rain
Detailed Forecast
Tonight
Partly cloudy, with a low around 24. East wind 3 to 5 mph.
Friday
A slight chance of snow before 2pm, then a chance of rain and snow between 2pm and 4pm. Partly sunny, with a high near 37. South southwest wind 5 to 9 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Friday Night
Rain, possibly mixed with snow, mainly after 4am. Snow level 2500 feet. Temperature rising to around 39 by 5am. South wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday
Rain, possibly mixed with snow, becoming all rain after 1pm. Snow level 3500 feet rising to 4500 feet in the afternoon. High near 44. Southeast wind 16 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday Night
Rain. The rain could be heavy at times. Snow level 4800 feet. Low around 40. Breezy, with a southeast wind around 22 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Sunday
Rain. The rain could be heavy at times. Snow level 4700 feet rising to 5300 feet in the afternoon. High near 47. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Sunday Night
Rain before 10pm, then showers and possibly a thunderstorm after 10pm. Some of the storms could produce heavy rainfall. Low around 44. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Monday
Rain. Cloudy, with a high near 47.
Monday Night
Rain. Cloudy, with a low around 44.
Tuesday
Rain. Snow level 4700 feet. Mostly cloudy, with a high near 48.
Tuesday Night
Rain likely. Snow level 3800 feet. Mostly cloudy, with a low around 39.
Wednesday
Rain and snow likely. Snow level 3400 feet rising to 4300 feet in the afternoon. Mostly cloudy, with a high near 49.
Wednesday Night
Rain likely. Snow level 4100 feet. Mostly cloudy, with a low around 41.
Thursday
Rain likely. Snow level 4300 feet. Mostly cloudy, with a high near 49.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
17 Miles SSE Agness OR
42.32°N 123.96°W (Elev. 2408 ft)
42.32°N 123.96°W (Elev. 2408 ft)
10:36 pm PST Feb 19, 2026
11pm PST Feb 19, 2026-6pm PST Feb 26, 2026



