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Newbern, Illinois Weather Forecast
Newbern, Illinois Weather
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Weather Forecast for Newbern, Illinois : Jersey County
Issued: 4:11 am CST Dec 11, 2025 Latitude: 39.006992 Longitude: -90.337058 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Friday Saturday Sunday Monday Tuesday Wednesday
30% chance of snow on Today 20% chance of snow on Tonight Mostly Cloudy on Friday 60% chance of snow on Saturday Sunny on Sunday Sunny on Monday Mostly Sunny on Tuesday Mostly Cloudy on Wednesday
High: 35°F Low: 34°F High: 36°F High: 24°F High: 12°F High: 38°F High: 43°F High: 50°F
Low: 20°F Low: 0°F Low: 3°F Low: 23°F Low: 34°F  
Snow Snow Mostly Cloudy Snow Sunny Sunny Mostly Sunny Mostly Cloudy
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Current Conditions at
ST CHARLES - (KSET)
28°
Partly Cloudy
as of 4:54 AM CST
Rel. Humidity: 68%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
6 MPH
350° North
Cloud Level(s): Few at 2700ft, Scattered at 12000ft
Current Conditions at
ALTON - (KALN)
30°
Cloudy
as of 5:15 AM CST
Rel. Humidity: 74%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: MVFR
Wind Data
6 MPH
350° North
Cloud Level(s): Solid Overcast at 2400ft
Current Conditions at
ST LOUIS - (KSTL)
28°
Cloudy
as of 5:18 AM CST
Rel. Humidity: 74%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: MVFR
Wind Data
3 MPH
310° Northwest
Cloud Level(s): Broken at 2500ft, Solid Overcast at 12000ft
Current Conditions at
SPIRIT OF ST LOUIS - (KSUS)
23°
Mostly Cloudy
as of 4:54 AM CST
Rel. Humidity: 85%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
3 MPH
230° Southwest
Cloud Level(s): Broken at 12000ft
30% chance of snow Today Today... A 30 percent chance of snow, mainly between 2pm and 4pm. Cloudy, with a high near 35. Light and variable wind becoming southeast 5 to 10 mph in the morning.
20% chance of snow Tonight Tonight... A 20 percent chance of snow before 7pm. Mostly cloudy, with a steady temperature around 34. Southeast wind 6 to 11 mph becoming north after midnight. Winds could gust as high as 20 mph.
Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 36. Northwest wind 9 to 11 mph.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 20. Northwest wind around 8 mph.
60% chance of snow Saturday Saturday... Snow likely, mainly after noon. Cloudy, with a high near 24. North wind 7 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 0.
Sunny on Sunday Sunday... Sunny and cold, with a high near 12.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 3.
Sunny on Monday Monday... Sunny, with a high near 38.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 23.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 43.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 34.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 50.
Current Radar Image


Sun Almanac for Newbern, Illinois
Sunrise: 07:11 AM
Sunset: 4:39 PM
Civil Sunrise:06:41 AM
Civil Sunset: 5:09 PM
Nautical Sunrise: 06:07 AM
Nautical Sunset: 5:42 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 6:15 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.