Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

68°F

20°C

Humidity	64%
Wind Speed	S 10 mph
Barometer	29.68 in
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Last update	18 Oct 12:10 am CDT

More Information:

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

Extended Forecast for

5 Miles SSE Afton WI

Overnight
Low: 59 °F
Scattered
T-storms
Saturday
High: 74 °F
Slight Chance
T-storms then
Mostly Sunny
Saturday Night
Low: 46 °F
Chance
T-storms then
Showers
Sunday
High: 58 °F
Chance
Showers and
Breezy
Sunday Night
Low: 38 °F
Mostly Clear
Monday
High: 66 °F
Sunny then
Slight Chance
Showers and
Breezy
Monday Night
Low: 42 °F
Chance
Showers
Tuesday
High: 52 °F
Partly Sunny
and Breezy
Tuesday Night
Low: 34 °F
Partly Cloudy

Detailed Forecast

Overnight

Scattered showers and thunderstorms. Mostly cloudy, with a low around 59. South wind around 10 mph. Chance of precipitation is 50%.

Saturday

A slight chance of showers and thunderstorms before 7am, then isolated showers between 7am and 8am. Mostly cloudy, then gradually becoming sunny, with a high near 74. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.

Saturday Night

A chance of showers and thunderstorms, then showers after 1am. Low around 46. West wind 5 to 15 mph becoming northwest after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Sunday

A 30 percent chance of showers before 1pm. Mostly cloudy through mid morning, then gradual clearing, with a high near 58. Breezy, with a northwest wind around 20 mph, with gusts as high as 30 mph.

Sunday Night

Mostly clear, with a low around 38. West wind 5 to 10 mph becoming southwest after midnight.

Monday

A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 66. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.

Monday Night

A 30 percent chance of showers before 1am. Partly cloudy, with a low around 42. West wind around 15 mph.

Tuesday

Partly sunny, with a high near 52. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

Tuesday Night

Partly cloudy, with a low around 34.

Wednesday

Sunny, with a high near 56.

Wednesday Night

A 20 percent chance of showers. Partly cloudy, with a low around 37.

Thursday

A 20 percent chance of showers. Mostly sunny, with a high near 60.