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- Spring Flood Outlook: Below average to near average flood risk for area river basins
Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Fog/Mist
39°F
4°C
| Humidity | 93% |
| Wind Speed | E 5 mph |
| Barometer | 30.01 in |
| Dewpoint | 37°F (3°C) |
| Visibility | 4.00 mi |
| Wind Chill | 35°F (2°C) |
| Last update | 4 Mar 11:15 pm CST |
Extended Forecast for
South Beloit IL
Tonight
Low: 41 °F
Isolated
Showers and
Patchy FogThursday
High: 46 °F
Scattered
Showers and
Patchy Fog
then Patchy
FogThursday Night
Low: 43 °F
Patchy Fog
then Isolated
Showers and
Patchy Dense
FogFriday
High: 68 °F
Showers and
Patchy Fog
then Chance
T-stormsFriday Night
Low: 46 °F
Showers
Saturday
High: 59 °F
Slight Chance
Showers then
Mostly SunnySaturday Night
Low: 33 °F
Mostly Clear
Sunday
High: 59 °F
Sunny
Sunday Night
Low: 44 °F
Mostly Clear
Detailed Forecast
Tonight
Isolated showers after 3am. Patchy fog. Otherwise, cloudy, with a low around 41. Northeast wind around 5 mph. Chance of precipitation is 20%.
Thursday
Scattered showers, mainly before 9am. Patchy fog before 3pm. Otherwise, cloudy, with a high near 46. East northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 30%.
Thursday Night
Isolated showers after midnight. Patchy dense fog. Otherwise, cloudy, with a low around 43. East southeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 20%.
Friday
Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Patchy fog before noon. High near 68. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Friday Night
Showers and possibly a thunderstorm. Low around 46. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Saturday
A 20 percent chance of showers before noon. Partly sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Showers likely. Mostly sunny, with a high near 65.
Tuesday Night
Showers. Mostly cloudy, with a low around 36.
Wednesday
A chance of rain and snow showers. Mostly cloudy, with a high near 49.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
South Beloit IL
42.5°N 89.05°W
42.5°N 89.05°W
10:31 pm CST Mar 4, 2026
11pm CST Mar 4, 2026-6pm CDT Mar 11, 2026
Additional Resources
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