Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Fair
70°F
21°C
| Humidity | 60% |
| Wind Speed | S 17 G 25 mph |
| Barometer | 29.67 in |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 31 Mar 12:10 am CDT |
Extended Forecast for
Alden IL
Severe T-storm Watch until March 31, 03:00am
NOW until 3:00am Tue

Severe T-storm Watch
Overnight

Low: 60 °F
Severe
ThunderstormsTuesday
High: 71 °F
Chance
T-storms then
T-stormsTuesday Night
Low: 34 °F
Chance
T-storms then
Chance
ShowersWednesday

High: 40 °F
Chance
ShowersWednesday Night

Low: 35 °F
Showers
Thursday

High: 64 °F
Showers and
BreezyThursday Night

Low: 43 °F
Showers
LikelyFriday

High: 61 °F
Partly Sunny
Detailed Forecast
Overnight
A 50 percent chance of showers and thunderstorms. Some of the storms could be severe. Cloudy, with a low around 60. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Showers and thunderstorms likely before 3pm, then showers and possibly a thunderstorm between 3pm and 4pm, then showers and thunderstorms likely after 4pm. High near 71. Southwest wind around 15 mph becoming north in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 34. North wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Wednesday
A 40 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 40. East northeast wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
Showers and possibly a thunderstorm. Low around 35. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Thursday
Showers and possibly a thunderstorm. High near 64. Breezy. Chance of precipitation is 100%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.
Friday
Partly sunny, with a high near 61.
Friday Night
A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 42.
Saturday
Showers likely. Mostly cloudy, with a high near 61.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 34.
Sunday
Partly sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 54.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Alden IL
42.46°N 88.52°W
42.46°N 88.52°W
11:46 pm CDT Mar 30, 2026
12am CDT Mar 31, 2026-6pm CDT Apr 6, 2026



