Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Fog/Mist
46°F
8°C
| Humidity | 93% |
| Wind Speed | SW 15 mph |
| Barometer | 29.82 in |
| Dewpoint | 45°F (7°C) |
| Visibility | 5.00 mi |
| Wind Chill | 40°F (4°C) |
| Last update | 4 Apr 9:45 am CDT |
Extended Forecast for
Harvard ILSimilar City Names
Today

High: 47 °F
Areas Fog and
BreezyTonight

Low: 32 °F
Mostly Cloudy
and BreezySunday
High: 50 °F
Partly Sunny
and Breezy
then SunnySunday Night

Low: 34 °F
Slight Chance
ShowersMonday
High: 45 °F
Partly Sunny
then Mostly
Sunny and
BreezyMonday Night

Low: 21 °F
Mostly Clear
Tuesday

High: 41 °F
Sunny
Tuesday Night

Low: 30 °F
Mostly Cloudy
Wednesday

High: 63 °F
Mostly Cloudy
and Breezy
Detailed Forecast
Today
Areas of fog before 1pm. Otherwise, cloudy, with a steady temperature around 47. Breezy, with a west wind 15 to 25 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, with a low around 32. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 50. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 34. West wind around 10 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 45. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 21.
Tuesday
Sunny, with a high near 41.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 63. Breezy.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 48.
Thursday
A chance of showers. Mostly cloudy, with a high near 61.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 42.
Friday
A chance of showers. Mostly cloudy, with a high near 63.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Harvard ILSimilar City Names
42.42°N 88.61°W
42.42°N 88.61°W
9:41 am CDT Apr 4, 2026
10am CDT Apr 4, 2026-6pm CDT Apr 10, 2026



