Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Light Rain
59°F
15°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 29.77 in |
| Dewpoint | 59°F (15°C) |
| Visibility | 2.00 mi |
| Last update | 15 Oct 5:45 pm CDT |
Extended Forecast for
Harvard IL
This Afternoon

High: 59 °F
Showers
Tonight
Low: 45 °F
Showers then
Mostly CloudyFriday
High: 52 °F
Slight Chance
Showers then
Chance
Showers and
BreezyFriday Night

Low: 32 °F
Mostly Clear
then FrostSaturday

High: 56 °F
Frost then
SunnySaturday Night

Low: 38 °F
Clear
Sunday

High: 63 °F
Sunny
Sunday Night

Low: 41 °F
Mostly Clear
Monday

High: 66 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Showers and possibly a thunderstorm. High near 59. Southeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 10pm, then a slight chance of showers between 10pm and 11pm. Low around 45. South southeast wind 5 to 10 mph becoming west northwest 10 to 15 mph in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 50 percent chance of showers, mainly between 11am and 4pm. Mostly cloudy, with a high near 52. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 35 mph.
Friday Night
Widespread frost after 4am. Otherwise, mostly clear, with a low around 32. North wind 5 to 15 mph, with gusts as high as 30 mph.
Saturday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 56. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Saturday Night
Clear, with a low around 38.
Sunday
Sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 41.
Monday
Mostly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Mostly sunny, with a high near 71.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Harvard IL
42.44°N 88.61°W
42.44°N 88.61°W
2:51 pm CDT Oct 15, 2026
5pm CDT Oct 15, 2026-6pm CDT Oct 22, 2026



