Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Fair
63°F
17°C
| Humidity | 77% |
| Wind Speed | S 10 mph |
| Barometer | 29.87 in |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 17 Apr 8:45 am CDT |
Extended Forecast for
2 Miles NNW Beloit WI
Flood Warning until further notice
Flood Watch April 17, 01:00pm until April 18, 07:00am
Dense Fog Advisory April 17, 08:50am until April 17, 09:00am
NOW: Multiple hazards in effect
Click HERE for Details
Today
High: 80 °F
Patchy Dense
Fog then
Severe
Thunderstorms
and BreezyTonight
Low: 39 °F
Severe
Thunderstorms
and Patchy
FogSaturday

High: 48 °F
Decreasing
Clouds and
BreezySaturday Night

Low: 31 °F
Mostly Clear
Sunday

High: 49 °F
Mostly Sunny
Sunday Night

Low: 29 °F
Mostly Clear
Monday

High: 56 °F
Sunny
Monday Night

Low: 44 °F
Mostly Cloudy
Detailed Forecast
Today
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Some of the storms could be severe. Patchy dense fog before 9am. Otherwise, partly sunny, with a high near 80. Breezy, with a south wind 10 to 15 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. Patchy fog between 9pm and 3am. Low around 39. Breezy, with a south wind 15 to 20 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 48. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 31. West wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 49. Northwest wind 5 to 15 mph.
Sunday Night
Mostly clear, with a low around 29. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 56. Light east wind becoming south 5 to 10 mph in the morning.
Monday Night
Mostly cloudy, with a low around 44. South wind around 10 mph.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 77.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles NNW Beloit WI
42.54°N 89.04°W (Elev. 801 ft)
42.54°N 89.04°W (Elev. 801 ft)
8:37 am CDT Apr 17, 2026
8am CDT Apr 17, 2026-6pm CDT Apr 23, 2026



