Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Fair
81°F
27°C
| Humidity | 37% |
| Wind Speed | SW 7 mph |
| Barometer | 30.05 in |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 26 May 10:45 am CDT |
Extended Forecast for
Harvard IL
Today

High: 86 °F
Mostly Sunny
Tonight

Low: 62 °F
Partly Cloudy
Wednesday
High: 82 °F
Mostly Sunny
then Slight
Chance
T-stormsWednesday Night
Low: 54 °F
Slight Chance
T-storms then
Mostly ClearThursday

High: 73 °F
Sunny
Thursday Night

Low: 48 °F
Mostly Clear
Friday

High: 80 °F
Sunny
Friday Night

Low: 54 °F
Mostly Clear
Saturday

High: 76 °F
Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 86. South wind around 5 mph.
Tonight
Partly cloudy, with a low around 62. South southeast wind around 5 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. Light and variable wind becoming east northeast 5 to 10 mph in the morning.
Wednesday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 54. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 73. East northeast wind 10 to 15 mph.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 78.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Harvard IL
42.42°N 88.61°W
42.42°N 88.61°W
11:17 am CDT May 26, 2026
11am CDT May 26, 2026-6pm CDT Jun 1, 2026



