Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Fair
59°F
15°C
| Humidity | 100% |
| Wind Speed | NW 3 mph |
| Barometer | 30.01 in |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 17 Aug 3:10 am CDT |
Extended Forecast for
Fort Atkinson WI
Overnight

Low: 60 °F
Mostly Clear
Monday

High: 79 °F
Mostly Sunny
Monday Night

Low: 61 °F
Partly Cloudy
Tuesday
High: 80 °F
Mostly Sunny
then Showers
LikelyTuesday Night

Low: 60 °F
Showers
LikelyWednesday

High: 77 °F
Mostly Sunny
Wednesday Night

Low: 56 °F
Mostly Clear
Thursday

High: 77 °F
Sunny
Thursday Night
Low: 57 °F
Partly Cloudy
then Slight
Chance
Showers
Detailed Forecast
Overnight
Mostly clear, with a low around 60. North wind around 5 mph.
Monday
Mostly sunny, with a high near 79. North wind around 5 mph.
Monday Night
Partly cloudy, with a low around 61. West wind around 5 mph becoming calm.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds, with a high near 80. West wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 60. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly sunny, with a high near 77. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 56. Calm wind.
Thursday
Sunny, with a high near 77. Calm wind becoming west around 5 mph.
Thursday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 57.
Friday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 78.
Friday Night
A 40 percent chance of showers. Partly cloudy, with a low around 61.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 75.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Fort Atkinson WI
42.92°N 88.84°W (Elev. 797 ft)
42.92°N 88.84°W (Elev. 797 ft)
2:41 am CDT Aug 17, 2026
3am CDT Aug 17, 2026-6pm CDT Aug 23, 2026



