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

Hydrologic Outlook

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

26°F

-3°C

Humidity	97%
Wind Speed	NNW 0 MPH
Barometer	NA
Dewpoint	25°F (-4°C)
Visibility	NA
Last update	20 Feb 01:52 AM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

8 Miles WNW Illinois Valley OR

Overnight
Low: 20 °F
Partly Cloudy
Friday
High: 36 °F
Mostly Sunny
then Chance
Snow
Friday Night
Low: 32 °F
Snow then
Rain/Snow
Likely and
Breezy
Saturday
High: 41 °F
Rain/Snow
Likely then
Chance
Rain/Snow and
Breezy
Saturday Night
Low: 36 °F
Rain/Snow and
Breezy
Sunday
High: 43 °F
Heavy Rain
Sunday Night
Low: 41 °F
Heavy Rain
Monday
High: 44 °F
Heavy Rain
Monday Night
Low: 40 °F
Rain

Detailed Forecast

Overnight

Partly cloudy, with a low around 20. Light east northeast wind.

Friday

A chance of snow between 2pm and 4pm. Increasing clouds, with a high near 36. Light west southwest wind becoming south southwest 5 to 10 mph in the morning. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

Friday Night

Snow before 2am, then rain and snow likely. Low around 32. Breezy, with a south wind 9 to 14 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Saturday

Rain and snow likely before 1pm, then a chance of rain. Snow level 4100 feet rising to 4600 feet in the afternoon. Mostly cloudy, with a high near 41. Breezy, with a south wind 20 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Saturday Night

A chance of rain before 10pm, then rain, possibly mixed with snow between 10pm and 1am, then rain after 1am. The rain could be heavy at times. Snow level 4300 feet rising to 4900 feet after midnight. Low around 36. Breezy, with a south southeast wind around 24 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Sunday

Rain. The rain could be heavy at times. Snow level 4800 feet rising to 5400 feet in the afternoon. High near 43. 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 between 10pm and 4am, then rain and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Snow level 6100 feet. Low around 41. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Monday

Rain. The rain could be heavy at times. Cloudy, with a high near 44.

Monday Night

Rain. Snow level 6200 feet lowering to 5600 feet after midnight . Cloudy, with a low around 40.

Tuesday

Rain, possibly mixed with snow, becoming all rain after 1pm. Snow level 4600 feet. Mostly cloudy, with a high near 45.

Tuesday Night

Rain and snow likely. Snow level 4100 feet lowering to 3600 feet after midnight . Mostly cloudy, with a low around 35.

Wednesday

A chance of rain and snow. Snow level 3300 feet rising to 3900 feet in the afternoon. Partly sunny, with a high near 46.

Wednesday Night

A chance of rain and snow. Snow level 3800 feet. Mostly cloudy, with a low around 38.