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

34°F

1°C

Humidity	100%
Wind Speed	W 9 mph
Barometer	29.78 in
Dewpoint	34°F (1°C)
Visibility	1.25 mi
Wind Chill	27°F (-3°C)
Last update	7 Jan 12:50 am CST

More Information:

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

Extended Forecast for

3 Miles SE Shirland IL

Overnight
Low: 32 °F
Patchy Dense
Fog
Wednesday
High: 42 °F
Areas Dense
Fog
Wednesday Night
Low: 36 °F
Increasing
Clouds
Thursday
High: 45 °F
Chance Rain
then Rain
Thursday Night
Low: 38 °F
Rain Likely
then Chance
Rain
Friday
High: 42 °F
Slight Chance
Rain
Friday Night
Low: 30 °F
Slight Chance
Rain then
Chance
Rain/Snow
Saturday
High: 35 °F
Rain/Snow
Likely then
Chance Snow
Saturday Night
Low: 20 °F
Chance Snow
then Mostly
Cloudy

Detailed Forecast

Overnight

Patchy dense fog. Otherwise, cloudy, with a low around 32. West wind around 5 mph.

Wednesday

Areas of dense fog before 2pm. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 42. West southwest wind 5 to 10 mph becoming south in the afternoon.

Wednesday Night

Increasing clouds, with a low around 36. South wind 5 to 10 mph.

Thursday

Rain, mainly after noon. High near 45. South wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%.

Thursday Night

Rain likely, mainly before midnight. Mostly cloudy, with a low around 38. East southeast wind around 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

Friday

A 20 percent chance of rain. Partly sunny, with a high near 42.

Friday Night

A slight chance of rain before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.

Saturday

Rain and snow likely before noon, then a chance of snow. Mostly cloudy, with a high near 35.

Saturday Night

A chance of snow before midnight. Mostly cloudy, with a low around 20.

Sunday

Mostly sunny, with a high near 29.

Sunday Night

Partly cloudy, with a low around 21.