Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

37°F

3°C

Humidity	75%
Wind Speed	SW 10 mph
Barometer	30.02 in
Dewpoint	30°F (-1°C)
Visibility	10.00 mi
Wind Chill	30°F (-1°C)
Last update	12 Jan 4:45 pm CST

More Information:

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

Extended Forecast for

5 Miles SW Fort Atkinson WI

Tonight
Low: 33 °F
Chance
Sprinkles
Tuesday
High: 46 °F
Chance
Sprinkles
Tuesday Night
Low: 20 °F
Mostly Cloudy
then Slight
Chance
Rain/Snow
Wednesday
High: 27 °F
Blustery.
Slight Chance
Snow then
Partly Sunny
Wednesday Night
Low: 10 °F
Partly Cloudy
Thursday
High: 24 °F
Mostly Sunny
Thursday Night
Low: 19 °F
Snow Likely
Friday
High: 30 °F
Snow Likely
Friday Night
Low: 12 °F
Snow Likely

Detailed Forecast

Tonight

A chance of sprinkles between 3am and 5am. Increasing clouds, with a low around 33. Southwest wind 5 to 15 mph.

Tuesday

A chance of sprinkles after 3pm. Partly sunny, with a high near 46. West wind around 15 mph, with gusts as high as 25 mph.

Tuesday Night

A slight chance of rain between midnight and 3am, then a slight chance of snow after 3am. Mostly cloudy, with a low around 20. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Wednesday

A 20 percent chance of snow before noon. Partly sunny, with a high near 27. Blustery, with a north wind around 20 mph, with gusts as high as 30 mph.

Wednesday Night

Partly cloudy, with a low around 10. North wind 10 to 15 mph.

Thursday

Mostly sunny, with a high near 24. Northwest wind 5 to 10 mph becoming southwest in the afternoon.

Thursday Night

Snow likely, mainly after midnight. Mostly cloudy, with a low around 19. Southwest wind around 10 mph. Chance of precipitation is 70%.

Friday

Snow likely. Cloudy, with a high near 30. Southwest wind around 10 mph becoming west in the afternoon. Chance of precipitation is 70%.

Friday Night

Snow likely, mainly after midnight. Mostly cloudy, with a low around 12. Chance of precipitation is 60%.