Forecast for Belvidere, IL | Forecast Periods: 14
Monday
Mar 16
2026
Belvidere, IL
Updated: 2:41 PM CDT
24°F
Chance Snow Showers And Patchy Blowing Snow
20 mph NW
Precipitation: 40%
A chance of snow showers and patchy blowing snow before 5pm, then patchy blowing snow and a slight chance of snow showers. Cloudy, with a high near 24. Northwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 40%. New snow accumulation of less than half an inch possible.
Hourly Forecast
Extended Forecast
Tonight
Mon, Mar 16
2°F
Patchy Blowing Snow
10 mph NW
Precipitation: 22%
Patchy blowing snow and a slight chance of snow showers before 2am. Mostly cloudy. Low around 2, with temperatures rising to around 5 overnight. Wind chill values as low as -10. Northwest wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%. New snow accumulation of less than half an inch possible.
Tuesday
Tue, Mar 17
22°F
Mostly Sunny
5 mph W
Precipitation: 1%
Mostly sunny, with a high near 22. Wind chill values as low as -12. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Tue, Mar 17
18°F
Snow
5 mph S
Precipitation: 90%
Snow after 7pm. Cloudy, with a low around 18. South wind 5 to 15 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Wed, Mar 18
38°F
Snow then Partly Sunny
5 mph SSW
Precipitation: 85%
Snow before 7am. Partly sunny, with a high near 38. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than half an inch possible.
Wednesday Night
Wed, Mar 18
30°F
Mostly Cloudy
5 mph SW
Precipitation: 11%
Mostly cloudy, with a low around 30.
Thursday
Thu, Mar 19
45°F
Mostly Sunny
5 mph W
Precipitation: 11%
Mostly sunny, with a high near 45.
Thursday Night
Thu, Mar 19
33°F
Mostly Cloudy
5 mph ESE
Precipitation: 1%
Mostly cloudy, with a low around 33.
Friday
Fri, Mar 20
55°F
Mostly Cloudy
5 mph SW
Precipitation: 0%
Mostly cloudy, with a high near 55.
Friday Night
Fri, Mar 20
37°F
Mostly Cloudy
10 mph SW
Precipitation: 4%
Mostly cloudy, with a low around 37.
Saturday
Sat, Mar 21
60°F
Mostly Sunny
10 mph WNW
Precipitation: 4%
Mostly sunny, with a high near 60.
Saturday Night
Sat, Mar 21
36°F
Partly Cloudy
10 mph NW
Precipitation: 8%
Partly cloudy, with a low around 36.
Sunday
Sun, Mar 22
54°F
Partly Sunny
10 mph NNW
Precipitation: 8%
Partly sunny, with a high near 54.
Sunday Night
Sun, Mar 22
27°F
Mostly Cloudy
10 mph N
Precipitation: 2%
Mostly cloudy, with a low around 27.