Blistering Heat Wave Across Southern Plains and Lower Mississippi Valley This Weekend; Wet Weather In The East

A scorching Heat Wave will continue across the southern tier of the country. Temperatures and Heat Indices will reach or easily surpass triple digits, as a ridge of high pressure dominates. Widespread Excessive Heat Warnings and Advisories are in effect, will persist and spread into the Southwest/CA next week. Meanwhile, locally heavy rain will be possible for the OH Valley/Mid-Atl/Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

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

Overcast

70°F

21°C

Humidity 100%
Wind Speed N 9 mph
Barometer 29.79 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 21 Jul 7:45 am CDT
Detailed forecast for

Rock County

Today
Cloudy. Chance of light showers late in the morning. Light showers likely and slight chance of thunderstorms in the afternoon. Highs in the mid 70s. North winds around 15 mph. Chance of precipitation 70 percent.
Tonight
Cloudy with a 50 percent chance of light showers. Lows in the mid 60s. North winds 10 to 15 mph.
Sunday
Mostly cloudy with a 30 percent chance of light showers. Highs in the upper 70s. Northeast winds 10 to 15 mph.
Sunday Night
Mostly clear. Lows around 60. North winds 5 to 10 mph.
Monday
Sunny. Highs in the lower 80s. North winds around 5 mph.
Monday Night
Mostly clear. Lows in the lower 60s.
Tuesday
Sunny. Highs in the lower 80s.
Tuesday Night
Mostly clear. Lows in the mid 60s.
Wednesday
Mostly sunny. Highs in the lower 80s.
Wednesday Night
Partly cloudy. Lows in the lower 60s.
Thursday
Mostly sunny. Highs in the upper 70s.
Thursday Night
Partly cloudy. Lows in the upper 50s.
Friday
Mostly sunny. A 20 percent chance of light showers and thunderstorms in the afternoon. Highs in the upper 70s.



Click Map For Forecast
601 AM CDT Sat Jul 21 2018
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database