Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. 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 Rain

64°F

18°C

Humidity	94%
Wind Speed	E 13 G 17 mph
Barometer	29.80 in
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Last update	1 Aug 12:35 am CDT

More Information:

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

Detailed forecast for

Rock County

Tonight

Showers and chance of thunderstorms. Lows in the lower 60s. East winds 10 to 20 mph. Chance of precipitation near 100 percent.

Saturday

Slight chance of thunderstorms in the morning. Showers until late afternoon, then chance of light showers late in the afternoon. Highs in the lower 70s. Northeast winds 15 to 20 mph. Chance of precipitation near 100 percent.

Saturday Night

Mostly cloudy then becoming partly cloudy late in the evening then becoming mostly cloudy. Lows around 60. Northeast winds 10 to 20 mph.

Sunday

Partly sunny. Highs in the mid 70s. North winds 10 to 15 mph.

Sunday Night

Clear. Lows in the mid 50s. Northeast winds 5 to 10 mph.

Monday

Sunny. Highs in the upper 70s.

Monday Night

Clear. Lows in the mid 50s.

Tuesday

Mostly sunny. Highs in the lower 80s.

Tuesday Night

Partly cloudy. A 20 percent chance of light showers after midnight. Lows in the lower 60s.

Wednesday

Partly sunny. Chance of light showers in the morning, then chance of light showers and slight chance of thunderstorms in the afternoon. Highs around 80. Chance of precipitation 40 percent.

Wednesday Night

Partly cloudy with a 30 percent chance of rain showers. Lows around 60.

Thursday

Partly sunny. Slight chance of light showers in the morning, then slight chance of light showers and thunderstorms in the afternoon. Highs around 80. Chance of precipitation 20 percent.

Thursday Night

Partly cloudy with a 20 percent chance of light showers and thunderstorms. Lows around 60.

Friday

Partly sunny. A 20 percent chance of light showers in the morning. Highs in the lower 80s.