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September 2025 Climate Summary

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Rockford, Greater Rockford Airport (KRFD)

Lat: 42.19°NLon: 89.09°WElev: 735ft.

Overcast

69°F

21°C

Humidity	68%
Wind Speed	N 14 mph
Barometer	30.06 in (1017.5 mb)
Dewpoint	58°F (14°C)
Visibility	10.00 mi
Last update	6 Oct 5:54 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Poplar Grove IL

Tonight
Low: 53 °F
Chance
T-storms then
Showers
Likely
Tuesday
High: 66 °F
Slight Chance
Showers then
Sunny
Tuesday Night
Low: 40 °F
Clear
Wednesday
High: 64 °F
Sunny
Wednesday Night
Low: 39 °F
Clear
Thursday
High: 65 °F
Sunny
Thursday Night
Low: 42 °F
Mostly Clear
Friday
High: 68 °F
Mostly Sunny
Friday Night
Low: 46 °F
Partly Cloudy

Detailed Forecast

Tonight

A chance of showers and thunderstorms, then showers likely after midnight. Cloudy, with a low around 53. North wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday

A 10 percent chance of showers before 7am. Mostly cloudy through mid morning, then gradual clearing, with a high near 66. North wind around 10 mph, with gusts as high as 20 mph.

Tuesday Night

Clear, with a low around 40. North northwest wind around 5 mph.

Wednesday

Sunny, with a high near 64. Northeast wind around 5 mph, with gusts as high as 10 mph.

Wednesday Night

Clear, with a low around 39. East wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

Thursday

Sunny, with a high near 65.

Thursday Night

Mostly clear, with a low around 42.

Friday

Mostly sunny, with a high near 68.