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Severe Thunderstorms With Heavy Rain Possible from the Upper Midwest to the Mid-Atlantic; Excessive Heat For Central U.S.

Storms will move from the Upper Great Lakes to the Ohio Valley/Lower Great Lakes into the northern Mid-Atlantic through the day. Damaging winds, large hail, and flooding will be the primary threats with these storms. Excessive heat warnings and heat advisories are in place for states in the Central Plains, the Southeast, and the Mid-Atlantic. Localized flash flooding may occur in the Southwest. Read More >

Current conditions at

Janesville-Rock County (KJVL)

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

Rain

72°F

22°C

Humidity 100%
Wind Speed S 7 mph
Barometer 29.82 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 22 Jul 2:10 am CDT
Detailed forecast for

Rock County

Rest Of Tonight
Periods of showers and thunderstorms. Patchy fog. Some thunderstorms may produce heavy rainfall. Near steady temperature around 70. South winds 5 to 10 mph. Chance of precipitation near 100 percent.
Saturday
Hot and humid. Mostly cloudy. Patchy fog in the morning. Scattered light showers and thunderstorms in the morning, then slight chance of light showers and thunderstorms in the late morning and afternoon. Some thunderstorms may produce heavy rainfall in the morning. Highs in the mid 80s. South winds 5 to 10 mph shifting to the northeast in the afternoon. Chance of precipitation 30 percent. Highest heat index readings 95 to 96 in the afternoon.
Saturday Night
Partly cloudy. Patchy fog after midnight. Lows in the upper 60s. Northwest winds around 5 mph shifting to the west after midnight. Highest heat index readings around 95 in the evening.
Sunday
Partly sunny. A 20 percent chance of light showers and thunderstorms in the afternoon. Highs in the lower 80s. Northwest winds 5 to 10 mph.
Sunday Night
Mostly clear. Lows in the upper 50s. North winds 5 to 10 mph.
Monday
Mostly sunny. Highs in the mid 70s.
Monday Night
Mostly clear. Lows in the upper 50s.
Tuesday
Sunny. Highs around 80.
Tuesday Night
Partly cloudy. A 20 percent chance of light showers and thunderstorms after midnight. Lows in the mid 60s.
Wednesday
Partly sunny. A 20 percent chance of light showers and thunderstorms in the morning. Highs in the lower 80s.
Wednesday Night
Partly cloudy. Lows in the mid 60s.
Thursday
Partly sunny with a 40 percent chance of light showers and thunderstorms. Highs around 80.
Thursday Night
Partly cloudy with a 40 percent chance of light showers and thunderstorms. Lows in the lower 60s.
Friday
Partly sunny with a 30 percent chance of light showers and thunderstorms. Highs around 80.



Click Map For Forecast
1201 AM CDT Sat Jul 22 2017
 
 

Additional Resources

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