Heavy Mountain Snow in the Northwest U.S.; Wintry Mix in the Northeast U.S.

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. overnight into Wednesday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fog/Mist

32°F

0°C

Humidity	100%
Wind Speed	W 6 mph
Barometer	29.83 in
Dewpoint	32°F (0°C)
Visibility	2.00 mi
Wind Chill	26°F (-3°C)
Last update	7 Jan 5:10 am CST

More Information:

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

Extended Forecast for

5 Miles WSW Fort Atkinson WI

Today
High: 41 °F
Areas Fog
Tonight
Low: 35 °F
Partly Cloudy
Thursday
High: 49 °F
Mostly Cloudy
then Rain
Thursday Night
Low: 37 °F
Rain then
Chance Rain
Friday
High: 41 °F
Chance Rain
Friday Night
Low: 31 °F
Mostly Cloudy
then Chance
Rain/Snow
Saturday
High: 35 °F
Rain/Snow
Likely then
Snow Likely
Saturday Night
Low: 19 °F
Snow Likely
Sunday
High: 27 °F
Slight Chance
Snow then
Mostly Sunny

Detailed Forecast

Today

Areas of fog before 1pm. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 41. West wind 5 to 10 mph becoming south in the afternoon.

Tonight

Partly cloudy, with a low around 35. South wind 5 to 10 mph.

Thursday

Rain after noon. High near 49. Southeast wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

Rain, mainly before midnight. Low around 37. South wind around 10 mph becoming northwest after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Friday

A 30 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 41. Northwest wind 5 to 10 mph.

Friday Night

A chance of rain and snow after midnight. Mostly cloudy, with a low around 31. Northeast wind around 5 mph. Chance of precipitation is 40%.

Saturday

Snow likely, possibly mixed with rain, becoming all snow after noon. Mostly cloudy, with a high near 35. North wind 10 to 15 mph becoming west in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Saturday Night

Snow likely, mainly before midnight. Mostly cloudy, with a low around 19. West wind around 15 mph. Chance of precipitation is 60%.

Sunday

A 20 percent chance of snow before noon. Partly sunny, with a high near 27.

Sunday Night

Partly cloudy, with a low around 17.

Monday

Mostly sunny, with a high near 35.

Monday Night

Mostly cloudy, with a low around 26.

Tuesday

Partly sunny, with a high near 36.