Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Fog/Mist
52°F
11°C
| Humidity | 100% |
| Wind Speed | E 6 mph |
| Barometer | 29.88 in |
| Dewpoint | 52°F (11°C) |
| Visibility | 5.00 mi |
| Wind Chill | 50°F (10°C) |
| Last update | 17 Apr 6:45 am CDT |
Extended Forecast for
5 Miles SW Fort Atkinson WI
Flood Watch until further notice
Flood Watch April 17, 01:00pm until April 18, 07:00am
Dense Fog Advisory April 17, 06:55am until April 17, 09:00am
NOW until 9:00am Fri
Dense Fog Advisory
Today
High: 78 °F
Areas Dense
Fog then
Severe
Thunderstorms
and BreezyTonight
Low: 38 °F
Severe
Thunderstorms
and Patchy
FogSaturday
High: 47 °F
Mostly Sunny
then Sunny
and BreezySaturday Night
Low: 31 °F
Mostly Clear
Sunday
High: 48 °F
Mostly Sunny
Sunday Night
Low: 29 °F
Mostly Clear
Monday
High: 56 °F
Sunny
Monday Night
Low: 43 °F
Mostly Cloudy
Detailed Forecast
Today
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Some of the storms could be severe. Areas of dense fog before 9am. Otherwise, partly sunny, with a high near 78. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Tonight
Showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am. Some of the storms could be severe and produce heavy rainfall. Patchy fog between 10pm and 3am. Low around 38. South wind around 15 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Mostly sunny, with a high near 47. Breezy, with a west wind 15 to 20 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 31. West wind 5 to 15 mph.
Sunday
Mostly sunny, with a high near 48. Northwest wind 5 to 15 mph.
Sunday Night
Mostly clear, with a low around 29. Northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 56. Light southeast wind becoming south 5 to 10 mph in the morning.
Monday Night
Mostly cloudy, with a low around 43. South wind around 10 mph.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 76.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles SW Fort Atkinson WI
42.88°N 88.9°W (Elev. 814 ft)
42.88°N 88.9°W (Elev. 814 ft)
6:32 am CDT Apr 17, 2026
6am CDT Apr 17, 2026-6pm CDT Apr 23, 2026
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