Knollwood, Illinois Weather
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Weather Forecast for Knollwood, Illinois : Sangamon County
Issued: 5:25 am CDT Jul 30, 2025 Latitude: 39.919494 Longitude: -89.5828789 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
70% chance of thunderstorms on Today 80% chance of thunderstorms on Tonight 60% chance of thunderstorms on Thursday Sunny on Friday Sunny on Saturday Sunny on Sunday Partly Sunny on Monday 20% chance of thunderstorms on Tuesday
High: 88°F Low: 69°F High: 76°F High: 77°F High: 77°F High: 79°F High: 81°F High: 82°F
Low: 60°F Low: 57°F Low: 57°F Low: 61°F Low: 64°F  
Thunderstorms Thunderstorms Thunderstorms Sunny Sunny Sunny Partly Sunny Thunderstorms
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Current Conditions at
SPRINGFIELD - (KSPI)
73°
Clear
as of 6:21 AM CDST
Rel. Humidity: 100%
Dew Point: 73°F
Visibility: 8 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
LOGAN COUNTY AIRPORT - (KAAA)
73°
Mostly Cloudy
Mist
as of 6:35 AM CDST
Rel. Humidity: 100%
Dew Point: 73°F
Visibility: 1 1/2 Miles
Pressure: 30.05 in.
Flight Rule: LIFR
Wind Data
Calm
Cloud Level(s): Broken at 100ft
Current Conditions at
DECATUR - (KDEC)
73°
Partly Cloudy
Mist
as of 6:22 AM CDST
Rel. Humidity: 94%
Dew Point: 72°F
Visibility: 6 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 200ft
70% chance of thunderstorms Today Today... Showers and thunderstorms likely, mainly between 1pm and 3pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 88. Light and variable wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
80% chance of thunderstorms Tonight Tonight... Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 69. North northeast wind around 6 mph becoming northwest in the evening. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
60% chance of thunderstorms Thursday Thursday... Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms, mainly between 7am and 1pm. Mostly cloudy, with a high near 76. North northeast wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 60. North northeast wind 8 to 11 mph, with gusts as high as 20 mph.
Sunny on Friday Friday... Sunny, with a high near 77. Northeast wind 8 to 11 mph, with gusts as high as 20 mph.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 57. Northeast wind 6 to 8 mph, with gusts as high as 15 mph.
Sunny on Saturday Saturday... Sunny, with a high near 77. East northeast wind 6 to 8 mph.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 57.
Sunny on Sunday Sunday... Sunny, with a high near 79.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 61.
Partly Sunny on Monday Monday... Partly sunny, with a high near 81.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 64.
20% chance of thunderstorms Tuesday Tuesday... A chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Current Radar Image


Sun Almanac for Knollwood, Illinois
Sunrise: 05:56 AM
Sunset: 8:14 PM
Civil Sunrise:05:25 AM
Civil Sunset: 8:44 PM
Nautical Sunrise: 04:48 AM
Nautical Sunset: 9:22 PM
Astro Sunrise: 04:07 AM
Astro Sunset: 10:03 PM
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