Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Light Snow

16°F

-9°C

Humidity	73%
Wind Speed	W 9 mph
Barometer	30.14 in
Dewpoint	9°F (-13°C)
Visibility	1.50 mi
Wind Chill	5°F (-15°C)
Last update	30 Dec 11:45 am CST

More Information:

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

Extended Forecast for

Alden IL

This Afternoon
High: 22 °F
Snow Likely
Tonight
Low: 20 °F⇑
Snow then
Mostly Cloudy
Wednesday
High: 28 °F⇓
Mostly Cloudy
then Snow
Likely and
Blustery
Wednesday Night
Low: 4 °F
Slight Chance
Snow then
Mostly Clear
New Year's Day
High: 18 °F
Partly Sunny
Thursday Night
Low: 10 °F
Mostly Cloudy
Friday
High: 24 °F
Partly Sunny
Friday Night
Low: 10 °F
Partly Cloudy
Saturday
High: 25 °F
Partly Sunny

Detailed Forecast

This Afternoon

Snow likely, mainly after 3pm. Cloudy, with a high near 22. West southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

Tonight

Snow before 9pm. Temperature rising to around 24 by 9pm. West northwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Wednesday

Snow likely after noon. Mostly cloudy, with a temperature rising to near 28 by noon, then falling to around 21 during the remainder of the day. Blustery, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Wednesday Night

A 20 percent chance of snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Wind chill values as low as -6. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.

New Year's Day

Partly sunny, with a high near 18. West northwest wind around 5 mph, with gusts as high as 10 mph.

Thursday Night

Mostly cloudy, with a low around 10.

Friday

Partly sunny, with a high near 24.

Friday Night

Partly cloudy, with a low around 10.

Saturday

Partly sunny, with a high near 25.

Saturday Night

Mostly cloudy, with a low around 17.