Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62° N Lon: 89.04° W Elev: 801 ft.

Light Drizzle

61°F

16°C

Humidity	100%
Wind Speed	NE 8 mph
Barometer	30.04 in
Dewpoint	61°F (16°C)
Visibility	7.00 mi
Last update	20 Sep 11:45 am CDT

More Information:

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

Detailed forecast for

Rock County

Rest Of Today

Cloudy. Patchy fog late in the morning. Light showers late in the morning, then chance of light showers early in the afternoon. Near steady temperature in the lower 60s. Northeast winds 15 to 20 mph. Chance of showers 90 percent.

Tonight

Mostly cloudy. A 20 percent chance of light rain showers after midnight. Lows in the mid 50s. Northeast winds 10 to 20 mph.

Monday

Mostly cloudy with a 40 percent chance of light rain showers. Highs in the lower 60s. Northeast winds 10 to 20 mph.

Monday Night

Mostly cloudy with a 30 percent chance of light rain showers. Lows in the upper 40s. Northeast winds 5 to 15 mph.

Tuesday

Partly sunny. Highs in the lower 60s. Northeast winds 10 to 15 mph.

Tuesday Night

Partly cloudy. Lows in the mid 40s.

Wednesday

Partly sunny. Highs in the lower 60s.