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Walnut, Illinois Weather Forecast
Walnut, Illinois Weather
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Weather Forecast for Walnut, Illinois : Bureau County
Issued: 3:16 am CST Dec 21, 2025 Latitude: 41.5567012 Longitude: -89.5934315 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 Cloudy on Christmas Day Mostly Cloudy on Friday Mostly Cloudy on Saturday
Low: 19°F High: 33°F High: 43°F High: 45°F High: 51°F High: 56°F High: 43°F High: 44°F
Low: 23°F Low: 35°F Low: 32°F Low: 43°F Low: 35°F Low: 30°F  
Clear Sunny Mostly Cloudy Partly Sunny Cloudy Cloudy Mostly Cloudy Mostly Cloudy
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Current Conditions at
STERLING ROCK - (KSQI)
21°
Clear
as of 2:56 AM CST
Rel. Humidity: 67%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.31 in.
Flight Rule: VFR
Wind Data
3 MPH
350° North
Cloud Level(s): Clear
Current Conditions at
PERU - (KVYS)
23°
Clear
as of 2:55 AM CST
Rel. Humidity: 67%
Dew Point: 14°F
Visibility: 10 Miles
Pressure: 30.30 in.
Flight Rule: VFR
Wind Data
7 MPH
290° West
Cloud Level(s): Clear
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
25°
Clear
as of 2:55 AM CST
Rel. Humidity: 53%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.31 in.
Flight Rule: VFR
Wind Data
3 MPH
320° Northwest
Cloud Level(s): Clear
Clear on Overnight Overnight... Clear, with a low around 19. Northwest wind 5 to 10 mph.

Sunny on Sunday Sunday... Sunny, with a high near 33. Calm wind becoming south around 5 mph in the afternoon.

Increasing Clouds on Sunday Night Sunday Night... Increasing clouds, with a low around 23. 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 45.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 32.

Cloudy on Wednesday Wednesday... Cloudy, with a high near 51.

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

Cloudy on Christmas Day Christmas Day... Cloudy, with a high near 56.

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 43.

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 Walnut, Illinois
Sunrise: 07:22 AM
Sunset: 4:32 PM
Civil Sunrise:06:50 AM
Civil Sunset: 5:03 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 5:38 PM
Astro Sunrise: 05:42 AM
Astro Sunset: 6:12 PM
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