Heavy Rain In The Plains; Poor Air Quality Out West

A slow moving weather system in the central U.S. will bring locally heavy rain to much of the Plains this weekend. Isolated flash flooding is possible in this area. Meanwhile, smoke from ongoing wildfires will continue to cause poor air quality across much of the interior West, although fire weather conditions are generally improving in this region. 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.

Mostly Cloudy

79°F

26°C

Humidity	74%
Wind Speed	Calm
Barometer	29.99 in
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	17 Aug 7:45 pm CDT

More Information:

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

Detailed forecast for

Rock County

Tonight

Partly cloudy. A 20 percent chance of light showers and thunderstorms in the evening. Patchy fog early in the morning. Lows in the lower 60s. North winds up to 5 mph.

Saturday

Mostly sunny. Patchy fog in the morning. Highs in the mid 80s. Northeast winds up to 5 mph.

Saturday Night

Partly cloudy. Patchy fog after midnight. Lows in the lower 60s. East winds up to 5 mph.

Sunday

Mostly sunny. Highs in the lower 80s. Southeast winds up to 5 mph.

Sunday Night

Partly cloudy. Lows in the mid 60s. Southeast winds up to 5 mph.

Monday

Mostly cloudy. Chance of showers and thunderstorms in the morning, then showers likely and chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 60 percent.

Monday Night

Cloudy. Showers likely and chance of thunderstorms through around midnight, then chance of light showers and slight chance of thunderstorms after midnight. Lows in the lower 60s. Chance of precipitation 70 percent.

Tuesday

Partly sunny with a 30 percent chance of light showers. Highs in the upper 70s.

Tuesday Night

Mostly clear. Lows in the mid 50s.

Wednesday

Sunny. Highs in the upper 70s.

Wednesday Night

Clear. Lows in the mid 50s.

Thursday

Sunny. Highs in the upper 70s.

Thursday Night

Partly cloudy. A 20 percent chance of light rain showers after midnight. Lows in the upper 50s.