Showers and Storms in the East; Dangerously Hot and Dry in the West

Scattered showers and storms are expected across portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Hot, dry weather and increasing winds will allow elevated wildfire conditions to return to the northern Intermountain West, where air quality issues persist from ongoing fires. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Thunderstorm in Vicinity

73°F

23°C

Humidity	83%
Wind Speed	S 9 mph
Barometer	29.97 in
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	9 Aug 10:45 am CDT

More Information:

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

Extended Forecast for

5 Miles NNW Shirland IL

Severe T-storm Watch until August 9, 02:00pm

Click here for hazard details and duration

Severe T-storm Watch

Severe T-storm Watch until August 9, 02:00pm
NOW until 2:00pm Sun
Severe T-storm Watch
Today
High: 81 °F
Severe
Thunderstorms
Tonight
Low: 68 °F
Showers
Likely then
Chance
T-storms and
Patchy Fog
Monday
High: 82 °F
Patchy Fog
then Slight
Chance
T-storms
Monday Night
Low: 66 °F
Slight Chance
T-storms
Tuesday
High: 82 °F
Showers
Likely
Tuesday Night
Low: 65 °F
Chance
T-storms
Wednesday
High: 81 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 62 °F
Partly Cloudy

Detailed Forecast

Today

Showers and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms, mainly between 3pm and 4pm. Some of the storms could be severe. High near 81. South wind around 10 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely, mainly before 2am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 68. South wind around 5 mph becoming northeast after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

A slight chance of showers and thunderstorms between 2pm and 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 82. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 20%.

Monday Night

A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 66. East wind around 5 mph. Chance of precipitation is 20%.

Tuesday

Showers and thunderstorms likely before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. East wind around 5 mph becoming south in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Northeast wind around 5 mph becoming calm in the evening.

Wednesday

A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. Light and variable wind becoming northwest 5 to 10 mph in the morning.

Wednesday Night

Partly cloudy, with a low around 62. Northwest wind around 5 mph becoming northeast after midnight.

Thursday

Mostly cloudy, with a high near 76.

Thursday Night

A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 57.

Friday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 73.

Friday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.

Saturday

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 73.