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

37°F

3°C

Humidity	100%
Wind Speed	W 9 mph
Barometer	29.72 in
Dewpoint	37°F (3°C)
Visibility	3.00 mi
Wind Chill	30°F (-1°C)
Last update	6 Jan 7:45 pm CST

More Information:

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

Extended Forecast for

5 Miles SSW Janesville WI

Tonight
Low: 30 °F
Patchy Fog
Wednesday
High: 43 °F
Areas
Freezing Fog
and Areas Fog
then Mostly
Sunny
Wednesday Night
Low: 35 °F
Increasing
Clouds
Thursday
High: 47 °F
Chance Rain
then Rain
Thursday Night
Low: 36 °F
Rain then
Chance Rain
Friday
High: 42 °F
Slight Chance
Rain
Friday Night
Low: 30 °F
Slight Chance
Rain/Snow
then Chance
Rain/Snow
Saturday
High: 33 °F
Rain/Snow
Likely then
Chance Snow
Saturday Night
Low: 20 °F
Chance Snow

Detailed Forecast

Tonight

Patchy fog. Otherwise, mostly cloudy, with a low around 30. West wind around 5 mph.

Wednesday

Areas of fog between 9am and noon. Areas of freezing fog between 8am and 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 43. West wind 5 to 10 mph becoming south in the afternoon.

Wednesday Night

Increasing clouds, with a low around 35. South wind around 10 mph.

Thursday

Rain, mainly after noon. High near 47. Southeast wind around 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 36. Southeast wind around 10 mph becoming northwest after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Friday

A 20 percent chance of rain. Partly sunny, with a high near 42. Northwest wind around 10 mph becoming northeast in the afternoon.

Friday Night

A chance of rain and snow, mainly after midnight. Mostly cloudy, with a low around 30. Northeast wind 5 to 10 mph. Chance of precipitation is 50%.

Saturday

Snow likely, possibly mixed with rain before noon, then a chance of snow. Mostly cloudy, with a high near 33. Northeast wind 10 to 15 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Saturday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 20.

Sunday

Mostly sunny, with a high near 30.

Sunday Night

Partly cloudy, with a low around 22.

Monday

Mostly sunny, with a high near 38.

Monday Night

Partly cloudy, with a low around 25.

Tuesday

Mostly cloudy, with a high near 36.