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Latham, Illinois Weather Forecast
Latham, Illinois Weather
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Weather Forecast for Latham, Illinois : Logan County
Issued: 3:46 am CST Dec 21, 2025 Latitude: 39.9686517 Longitude: -89.1623092 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Monday Tuesday Wednesday Christmas Day Friday Saturday
Sunny on Today Cloudy on Tonight Partly Sunny on Monday Mostly Sunny on Tuesday Cloudy on Wednesday Mostly Cloudy on Christmas Day Partly Sunny on Friday Mostly Cloudy on Saturday
High: 39°F Low: 26°F High: 45°F High: 54°F High: 59°F High: 66°F High: 52°F High: 50°F
Low: 40°F Low: 36°F Low: 52°F Low: 43°F Low: 34°F  
Sunny Cloudy Partly Sunny Mostly Sunny Cloudy Mostly Cloudy Partly Sunny Mostly Cloudy
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Current Conditions at
LOGAN COUNTY AIRPORT - (KAAA)
25°
Clear
as of 3:55 AM CST
Rel. Humidity: 68%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.33 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
DECATUR - (KDEC)
27°
Clear
as of 3:54 AM CST
Rel. Humidity: 68%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.32 in.
Flight Rule: VFR
Wind Data
8 MPH
330° Northwest
Cloud Level(s): Clear
Current Conditions at
SPRINGFIELD - (KSPI)
28°
Clear
as of 3:52 AM CST
Rel. Humidity: 63%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.33 in.
Flight Rule: VFR
Wind Data
3 MPH
320° Northwest
Cloud Level(s): Clear
Current Conditions at
TAYLORVILLE MUNICIPAL - (KTAZ)
27°
Clear
as of 3:55 AM CST
Rel. Humidity: 73%
Dew Point: 19°F
Pressure: 30.33 in.
Wind Data
6 MPH
340° North
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 39. North northwest wind around 5 mph becoming calm.

Cloudy on Tonight Tonight... Partly cloudy, with a low around 26. South southeast wind 6 to 10 mph, with gusts as high as 20 mph.

Partly Sunny on Monday Monday... Partly sunny, with a high near 45. South southeast wind 10 to 14 mph, with gusts as high as 21 mph.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 40. South southwest wind around 10 mph, with gusts as high as 18 mph.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 54. Southwest wind 5 to 8 mph becoming north in the afternoon.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 36. North wind 5 to 8 mph becoming east southeast after midnight. Winds could gust as high as 15 mph.

Cloudy on Wednesday Wednesday... Cloudy, with a high near 59. South southeast wind 9 to 11 mph, with gusts as high as 18 mph.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 52.

Mostly Cloudy on Christmas Day Christmas Day... Mostly cloudy, with a high near 66.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 43.

Partly Sunny on Friday Friday... Partly sunny, with a high near 52.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 34.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 50.

Current Radar Image


Sun Almanac for Latham, Illinois
Sunrise: 07:15 AM
Sunset: 4:35 PM
Civil Sunrise:06:45 AM
Civil Sunset: 5:05 PM
Nautical Sunrise: 06:10 AM
Nautical Sunset: 5:39 PM
Astro Sunrise: 05:37 AM
Astro Sunset: 6:12 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.