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Thomas, Illinois Weather Forecast
Thomas, Illinois Weather
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Weather Forecast for Thomas, Illinois : Bureau County
Issued: 2:36 am CST Dec 21, 2025 Latitude: 41.5117004 Longitude: -89.8195487 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Christmas Day Friday Saturday
Clear on Overnight Sunny on Sunday Mostly Cloudy on Monday Partly Sunny on Tuesday Cloudy on Wednesday Mostly Cloudy on Christmas Day Mostly Cloudy on Friday Mostly Cloudy on Saturday
Low: 20°F High: 34°F High: 43°F High: 46°F High: 52°F High: 57°F High: 44°F High: 44°F
Low: 25°F Low: 35°F Low: 31°F Low: 43°F Low: 35°F Low: 30°F  
Clear Sunny Mostly Cloudy Partly Sunny Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy
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Current Conditions at
STERLING ROCK - (KSQI)
21°
Clear
as of 1:56 AM CST
Rel. Humidity: 67%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.29 in.
Flight Rule: VFR
Wind Data
7 MPH
290° West
Cloud Level(s): Clear
Current Conditions at
CLINTON - (KCWI)
19°
Clear
as of 1:56 AM CST
Rel. Humidity: 73%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.29 in.
Flight Rule: VFR
Wind Data
8 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
PERU - (KVYS)
23°
Clear
as of 2:35 AM CST
Rel. Humidity: 67%
Dew Point: 14°F
Visibility: 10 Miles
Pressure: 30.29 in.
Flight Rule: VFR
Wind Data
6 MPH
280° West
Cloud Level(s): Clear
Current Conditions at
SAVANNA - (KSFY)
21°
Clear
as of 2:35 AM CST
Rel. Humidity: 57%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 30.30 in.
Flight Rule: VFR
Wind Data
6 MPH
300° Northwest
Cloud Level(s): Clear
Clear on Overnight Overnight... Clear, with a steady temperature around 20. Northwest wind 5 to 10 mph.

Sunny on Sunday Sunday... Sunny, with a high near 34. Calm wind becoming south around 5 mph in the morning.

Increasing Clouds on Sunday Night Sunday Night... Increasing clouds, with a low around 25. South wind 5 to 10 mph.

Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 43. South wind 10 to 15 mph, with gusts as high as 20 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 35.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 46.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 31.

Cloudy on Wednesday Wednesday... Cloudy, with a high near 52.

Cloudy on Wednesday Night Wednesday Night... Cloudy, with a low around 43.

Mostly Cloudy on Christmas Day Christmas Day... Mostly cloudy, with a high near 57.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 35.

Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 44.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 30.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 44.

Current Radar Image


Sun Almanac for Thomas, Illinois
Sunrise: 07:23 AM
Sunset: 4:33 PM
Civil Sunrise:06:51 AM
Civil Sunset: 5:04 PM
Nautical Sunrise: 06:16 AM
Nautical Sunset: 5:39 PM
Astro Sunrise: 05:42 AM
Astro Sunset: 6:13 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.