Heavy Snow in the Cascades and Northern Rockies; Wintry Mix in the Northeast; High Winds in Southern California

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. today. High winds could blow down trees and power lines in the mountains of southern California this evening through Thursday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fog

32°F

0°C

Humidity	100%
Wind Speed	SW 5 mph
Barometer	29.95 in
Dewpoint	32°F (0°C)
Visibility	0.50 mi
Wind Chill	27°F (-3°C)
Last update	7 Jan 8:39 am CST

More Information:

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

Extended Forecast for

Mendota IL

Today
High: 47 °F
Areas Dense
Fog then
Mostly Sunny
Tonight
Low: 38 °F
Increasing
Clouds
Thursday
High: 55 °F
Slight Chance
Rain then
Rain
Thursday Night
Low: 42 °F
Rain then
Chance Rain
Friday
High: 47 °F
Slight Chance
Rain
Friday Night
Low: 34 °F
Mostly Cloudy
then Chance
Rain/Snow
Saturday
High: 38 °F
Rain/Snow
Likely
Saturday Night
Low: 20 °F
Chance Snow
Sunday
High: 28 °F
Mostly Sunny

Detailed Forecast

Today

Areas of dense fog before noon. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 47. South wind 5 to 10 mph.

Tonight

Increasing clouds, with a low around 38. South wind around 10 mph.

Thursday

Rain, mainly after noon. High near 55. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

Rain and possibly a thunderstorm before midnight, then a chance of rain and thunderstorms between midnight and 3am, then a chance of rain after 3am. Low around 42. South southeast wind around 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%.

Friday

A 20 percent chance of rain. Mostly cloudy, with a high near 47. West wind around 10 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph.

Friday Night

A chance of rain after midnight, mixing with snow after 3am. Mostly cloudy, with a low around 34. Chance of precipitation is 50%.

Saturday

Snow likely, possibly mixed with rain. Mostly cloudy, with a high near 38. Chance of precipitation is 60%.

Saturday Night

A chance of snow. Mostly cloudy, with a low around 20.

Sunday

Mostly sunny, with a high near 28.

Sunday Night

Mostly clear, with a low around 20.

Monday

Mostly sunny, with a high near 38.