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Knollwood, Illinois Weather Forecast
Knollwood, Illinois Weather
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Weather Forecast for Knollwood, Illinois : Sangamon County
Issued: 12:51 am CST Dec 15, 2025 Latitude: 39.919494 Longitude: -89.5828789 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Blowing Snow on Overnight Blowing Snow on Monday Sunny on Tuesday Mostly Sunny on Wednesday 60% chance of rain on Thursday Mostly Sunny on Friday Partly Sunny on Saturday Mostly Sunny on Sunday
Low: -6°F High: 30°F High: 39°F High: 42°F High: 51°F High: 31°F High: 49°F High: 40°F
Low: 19°F Low: 28°F Low: 35°F Low: 13°F Low: 24°F Low: 28°F  
Blowing Snow Blowing Snow Sunny Mostly Sunny Rain Mostly Sunny Partly Sunny Mostly Sunny
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Current Conditions at
SPRINGFIELD - (KSPI)
-0°
Mostly Clear
as of 11:52 PM CST
Rel. Humidity: 64%
Dew Point: -9°F
Visibility: 10 Miles
Pressure: 30.55 in.
Flight Rule: VFR
Wind Data
7 MPH
160° South
Cloud Level(s): Few at 10000ft
Current Conditions at
LOGAN COUNTY AIRPORT - (KAAA)
-4°
Clear
as of 12:35 AM CST
Rel. Humidity: 70%
Dew Point: -11°F
Visibility: 10 Miles
Pressure: 30.54 in.
Flight Rule: VFR
Wind Data
5 MPH
170° South
Cloud Level(s): Clear
Current Conditions at
TAYLORVILLE MUNICIPAL - (KTAZ)
-0°
Clear
as of 12:35 AM CST
Rel. Humidity: 70%
Dew Point: -8°F
Pressure: 30.55 in.
Wind Data
7 MPH
150° Southeast
Cloud Level(s): Clear
Current Conditions at
DECATUR - (KDEC)
-9°
Clear
as of 11:54 PM CST
Rel. Humidity: 83%
Dew Point: -13°F
Visibility: 10 Miles
Pressure: 30.57 in.
Flight Rule: VFR
Wind Data
3 MPH
120° Southeast
Cloud Level(s): Clear
Blowing Snow on Overnight Overnight... Patchy blowing snow after 3am. Mostly clear, with a low around -6. Wind chill values between -11 and -16. South wind 7 to 13 mph, with gusts as high as 20 mph.

Blowing Snow on Monday Monday... Patchy blowing snow before noon. Sunny, with a high near 30. Wind chill values between -9 and 1. Southwest wind 8 to 15 mph, with gusts as high as 25 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 19. Southwest wind 5 to 7 mph.

Sunny on Tuesday Tuesday... Sunny, with a high near 39. South southwest wind 6 to 10 mph, with gusts as high as 16 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 28. South wind 5 to 9 mph becoming west after midnight. Winds could gust as high as 16 mph.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 42. Light and variable wind becoming southeast 5 to 8 mph in the afternoon.

30% chance of rain Wednesday Night Wednesday Night... A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 35. South southeast wind 9 to 18 mph, with gusts as high as 28 mph.

60% chance of rain Thursday Thursday... Rain likely before noon. Partly sunny, with a high near 51. Breezy. Chance of precipitation is 60%.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 13.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 31.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 24.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 49.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 28.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 40.

Current Radar Image


Sun Almanac for Knollwood, Illinois
Sunrise: 07:13 AM
Sunset: 4:34 PM
Civil Sunrise:06:43 AM
Civil Sunset: 5:05 PM
Nautical Sunrise: 06:09 AM
Nautical Sunset: 5:39 PM
Astro Sunrise: 05:36 AM
Astro Sunset: 6:12 PM
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