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Gillespie, Illinois Weather Forecast
Gillespie, Illinois Weather
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Weather Forecast for Gillespie, Illinois : Macoupin County
Issued: 12:56 am CST Dec 21, 2025 Latitude: 39.1297692 Longitude: -89.8195407 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Christmas Day Friday Saturday
Cloudy on Overnight Mostly Sunny on Sunday Partly Sunny on Monday Mostly Sunny on Tuesday Cloudy on Wednesday Sunny on Christmas Day Partly Sunny on Friday Mostly Cloudy on Saturday
Low: 23°F High: 41°F High: 47°F High: 58°F High: 62°F High: 70°F High: 62°F High: 53°F
Low: 27°F Low: 42°F Low: 38°F Low: 53°F Low: 49°F Low: 40°F  
Cloudy Mostly Sunny Partly Sunny Mostly Sunny Cloudy Sunny Partly Sunny Mostly Cloudy
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Current Conditions at
LITCHFIELD MUNI ARP - (K3LF)
28°
Feels like 19°F
Clear
as of 1:15 AM CST
Rel. Humidity: 74%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.29 in.
Flight Rule: VFR
Wind Data
9 MPH
340° North
Cloud Level(s): Clear
Current Conditions at
ALTON - (KALN)
34°
Clear
as of 1:15 AM CST
Rel. Humidity: 50%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.30 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
ST CHARLES - (KSET)
36°
Clear
as of 12:54 AM CST
Rel. Humidity: 43%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.28 in.
Flight Rule: VFR
Wind Data
5 MPH
350° North
Cloud Level(s): Clear
Current Conditions at
TAYLORVILLE MUNICIPAL - (KTAZ)
32°
Clear
as of 1:15 AM CST
Rel. Humidity: 63%
Dew Point: 21°F
Pressure: 30.29 in.
Wind Data
5 MPH
300° Northwest
Cloud Level(s): Clear
Cloudy on Overnight Overnight... Partly cloudy, with a low around 23. North wind 3 to 6 mph.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 41. Light and variable wind becoming northeast around 6 mph in the morning.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 27. Southeast wind 6 to 10 mph.
Partly Sunny on Monday Monday... Partly sunny, with a high near 47. South wind 10 to 13 mph, with gusts as high as 20 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 42. South wind 6 to 10 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 58.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 38.
Cloudy on Wednesday Wednesday... Cloudy, with a high near 62.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 53.
Sunny on Christmas Day Christmas Day... Sunny, with a high near 70.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 49.
Partly Sunny on Friday Friday... Partly sunny, with a high near 62.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 40.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 53.
Current Radar Image


Sun Almanac for Gillespie, Illinois
Sunrise: 07:15 AM
Sunset: 4:40 PM
Civil Sunrise:06:45 AM
Civil Sunset: 5:10 PM
Nautical Sunrise: 06:11 AM
Nautical Sunset: 5:44 PM
Astro Sunrise: 05:39 AM
Astro Sunset: 6:16 PM
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