Tracking Winter Weather and Frigid Temperatures Through This Weekend

A clipper storm will move across the Great Lakes through this weekend with periods of light snow, gusty winds, and lake effect snow bands which could make for hazardous travel at times. A frigid airmass will spread eastward behind this storm into the Midwest and Eastern U.S. through the weekend. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

30°F

-1°C

Humidity	80%
Wind Speed	W 20 G 30 mph
Barometer	29.58 in
Dewpoint	25°F (-4°C)
Visibility	10.00 mi
Wind Chill	17°F (-8°C)
Last update	16 Jan 5:45 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: 13 °F
Snow then
Snow Likely
Saturday
High: 19 °F
Snow Likely
Saturday Night
Low: 5 °F
Slight Chance
Snow then
Mostly Cloudy
Sunday
High: 18 °F
Mostly Cloudy
then Snow
Likely
Sunday Night
Low: -3 °F
Slight Chance
Snow and
Breezy
M.L.King Day
High: 5 °F
Cold and
Breezy
Monday Night
Low: -3 °F
Partly Cloudy
Tuesday
High: 17 °F
Increasing
Clouds
Tuesday Night
Low: 8 °F
Chance Snow

Detailed Forecast

Tonight

Snow, mainly before 3am. Low around 13. Wind chill values between zero and 10. West wind 10 to 15 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.

Saturday

Snow likely, mainly before noon. Cloudy, with a high near 19. Wind chill values between zero and 5. West wind around 15 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Saturday Night

A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 5. Wind chill values between -10 and zero. West wind 10 to 15 mph.

Sunday

Snow likely after noon. Mostly cloudy, with a high near 18. Wind chill values between -10 and zero. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Sunday Night

A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -3. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

M.L.King Day

Partly sunny and cold, with a high near 5. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

Monday Night

Partly cloudy, with a low around -3. West wind 10 to 15 mph.

Tuesday

Increasing clouds, with a high near 17. West wind 5 to 10 mph.

Tuesday Night

A 30 percent chance of snow. Mostly cloudy, with a low around 8.

Wednesday

A 30 percent chance of snow. Mostly cloudy, with a high near 24.

Wednesday Night

Mostly cloudy, with a low around 7.