Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fog Light Rain

41°F

5°C

Humidity	100%
Wind Speed	N 5 mph
Barometer	29.60 in
Dewpoint	41°F (5°C)
Visibility	0.50 mi
Wind Chill	38°F (3°C)
Last update	28 Dec 8:45 am CST

More Information:

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

Extended Forecast for

Capron IL

Wind Advisory December 28, 06:00pm until December 29, 03:00pm

Click here for hazard details and duration

Wind Advisory

Today
High: 49 °F
Showers and
Areas Dense
Fog
Tonight
Low: 16 °F
Windy.
Rain/Snow
Likely then
Snow Showers
Monday
High: 21 °F
Chance Snow
Showers and
Windy then
Partly Sunny
and Blustery
Monday Night
Low: 8 °F
Partly Cloudy
and Blustery
then Partly
Cloudy
Tuesday
High: 26 °F
Partly Sunny
Tuesday Night
Low: 20 °F
Mostly Cloudy
Wednesday
High: 28 °F
Mostly Cloudy
then Slight
Chance Snow
Wednesday Night
Low: 10 °F
Chance Snow
then Mostly
Cloudy
New Year's Day
High: 17 °F
Mostly Sunny

Detailed Forecast

Today

Showers, mainly before 5pm. Areas of dense fog before noon. High near 49. Southeast wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Tonight

A chance of rain and snow showers before 8pm, then snow showers. Low around 16. Wind chill values as low as -4. Windy, with a west wind 20 to 25 mph increasing to 25 to 30 mph in the evening. Winds could gust as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

Monday

A 50 percent chance of snow showers before noon. Mostly cloudy, with a high near 21. Wind chill values as low as -3. Windy, with a northwest wind 20 to 30 mph, with gusts as high as 45 mph.

Monday Night

Partly cloudy, with a low around 8. Wind chill values as low as -6. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

Tuesday

Partly sunny, with a high near 26. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.

Tuesday Night

Mostly cloudy, with a low around 20.

Wednesday

A 20 percent chance of snow after noon. Mostly cloudy, with a high near 28.

Wednesday Night

A chance of snow before midnight. Mostly cloudy, with a low around 10.

New Year's Day

Mostly sunny, with a high near 17.