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New Lancaster, Illinois Weather Forecast
New Lancaster, Illinois Weather
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Weather Forecast for New Lancaster, Illinois : Warren County
Issued: 6:21 pm CST Dec 11, 2025 Latitude: 40.7550393 Longitude: -90.7309688 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
100% chance of snow on Tonight Mostly Cloudy on Friday 90% chance of snow on Saturday Sunny on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday Mostly Cloudy on Wednesday Mostly Sunny on Thursday
Low: 25°F High: 28°F High: 10°F High: 2°F High: 28°F High: 37°F High: 45°F High: 42°F
Low: 7 °F Low: -10°F Low: -8°F Low: 17°F Low: 31°F Low: 32°F  
Snow Mostly Cloudy Snow Sunny Mostly Sunny Mostly Sunny Mostly Cloudy Mostly Sunny
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Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
25°
Cloudy
Light Snow
as of 6:15 PM CST
Rel. Humidity: 100%
Dew Point: 25°F
Visibility: 1 1/2 Miles
Pressure: 29.97 in.
Flight Rule: IFR
Wind Data
8 MPH
120° Southeast
Cloud Level(s): Solid Overcast at 1100ft
Current Conditions at
GALESBURG - (KGBG)
25°
Cloudy
Light Snow
as of 6:15 PM CST
Rel. Humidity: 100%
Dew Point: 25°F
Visibility: 1 3/4 Miles
Pressure: 29.96 in.
Flight Rule: IFR
Wind Data
3 MPH
130° Southeast
Cloud Level(s): Scattered at 700ft, Solid Overcast at 1600ft
Current Conditions at
BURLINGTON - (KBRL)
25°
Clear
Light Snow Mist
as of 5:53 PM CST
Rel. Humidity: 92%
Dew Point: 23°F
Visibility: 1 Miles
Pressure: 29.93 in.
Flight Rule: IFR
Wind Data
7 MPH
140° Southeast
Current Conditions at
KEOKUK MUNICIPAL - (KEOK)
25°
Feels like 15°F
Cloudy
Mist
as of 6:15 PM CST
Rel. Humidity: 100%
Dew Point: 25°F
Visibility: 1 Miles
Pressure: 29.92 in.
Flight Rule: LIFR
Wind Data
9 MPH
120° Southeast
Cloud Level(s): Solid Overcast at 300ft
100% chance of snow Tonight Tonight... Snow before 2am, then a chance of flurries between 2am and 3am. Steady temperature around 25. East wind 5 to 10 mph becoming northeast after midnight. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.

Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 28. North wind 5 to 10 mph becoming northwest in the afternoon.

20% chance of snow Friday Night Friday Night... A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 7. Wind chill values as low as -5. Northwest wind around 10 mph, with gusts as high as 20 mph.

90% chance of snow Saturday Saturday... Snow. High near 10. Wind chill values as low as -10. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around -10.

Sunny on Sunday Sunday... Sunny and cold, with a high near 2.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around -8.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 28.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 17.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 37.

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

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 45.

30% chance of rain Wednesday Night Wednesday Night... A 30 percent chance of rain. Mostly cloudy, with a low around 32.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 42.

Current Radar Image


Sun Almanac for New Lancaster, Illinois
Sunrise: 07:17 AM
Sunset: 4:35 PM
Civil Sunrise:06:46 AM
Civil Sunset: 5:06 PM
Nautical Sunrise: 06:12 AM
Nautical Sunset: 5:41 PM
Astro Sunrise: 05:39 AM
Astro Sunset: 6:14 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.