Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Partly Cloudy
81°F
27°C
| Humidity | 54% |
| Wind Speed | SW 13 mph |
| Barometer | 29.80 in |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Heat Index | 82°F (28°C) |
| Last update | 18 May 3:45 pm CDT |
Extended Forecast for
Fort Atkinson WI
Tonight

Low: 65 °F
Chance
T-stormsTuesday

High: 72 °F
Chance
ShowersTuesday Night

Low: 44 °F
Partly Cloudy
Wednesday

High: 62 °F
Mostly Sunny
Wednesday Night

Low: 38 °F
Partly Cloudy
Thursday

High: 61 °F
Mostly Sunny
Thursday Night

Low: 44 °F
Mostly Cloudy
Friday

High: 63 °F
Chance
ShowersFriday Night

Low: 47 °F
Chance
Showers
Detailed Forecast
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 9pm. Cloudy, with a low around 65. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
A slight chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 72. Southwest wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 44. Northwest wind 10 to 15 mph.
Wednesday
Mostly sunny, with a high near 62. North wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 38. East wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 61. East wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 44. East wind 5 to 10 mph.
Friday
A 40 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 63. East wind around 10 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.
Saturday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 70.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 50.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 54.
Memorial Day
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
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)
3:32 pm CDT May 18, 2026
3pm CDT May 18, 2026-6pm CDT May 25, 2026



