61011 Weather (Belvidere, IL)

Weather forecast for: Belvidere IL

Last Update: 1:51 pm CST Nov 5, 2026

This Afternoon: Areas of drizzle with scattered showers. Cloudy, with a high near 51. West northwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.

Tonight: Patchy drizzle with isolated showers before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 35. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Friday: Mostly sunny, with a high near 45. North wind 10 to 15 mph, with gusts as high as 30 mph.

Friday Night: Mostly clear, with a low around 28. North northwest wind 5 to 10 mph becoming light northwest in the evening. Winds could gust as high as 15 mph.

Saturday: Mostly sunny, with a high near 50. Light and variable wind becoming west 5 to 10 mph in the morning.

Saturday Night: Mostly clear, with a low around 35.

Sunday: Sunny, with a high near 59.

Sunday Night: Clear, with a low around 32.

Monday: Sunny, with a high near 63.

Monday Night: Mostly clear, with a low around 38.

Tuesday: Sunny, with a high near 59.

Tuesday Night: Partly cloudy, with a low around 34.

Veterans Day: Mostly sunny, with a high near 57.