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Unionville, Illinois Weather Forecast
Unionville, Illinois Weather
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Weather Forecast for Unionville, Illinois : Vermilion County
Issued: 3:36 pm CST Jan 18, 2026 Latitude: 40.0250367 Longitude: -87.6380767 View on Google Maps

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This Afternoon Tonight M.L.King Day Tuesday Wednesday Thursday Friday Saturday
20% chance of snow on This Afternoon 40% chance of snow on Tonight Mostly Cloudy on M.L.King Day Mostly Sunny on Tuesday Partly Sunny on Wednesday Mostly Sunny on Thursday Mostly Cloudy on Friday Mostly Cloudy on Saturday
High: 24°F Low: 6 °F High: 13°F High: 26°F High: 39°F High: 26°F High: 29°F High: 19°F
Low: 5 °F Low: 19°F Low: 17°F Low: 15°F Low: 10°F  
Snow Snow Mostly Cloudy Mostly Sunny Partly Sunny Mostly Sunny Mostly Cloudy Mostly Cloudy
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Current Conditions at
DANVILLE - (KDNV)
23°
Feels like 8°F
Cloudy
as of 3:15 PM CST
Rel. Humidity: 57%
Dew Point: 10°F
Visibility: 7 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
18 MPH
230° Southwest
Cloud Level(s): Solid Overcast at 3100ft
Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
23°
Feels like 9°F
Cloudy
as of 3:15 PM CST
Rel. Humidity: 57%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
16 MPH
210° Southwest
Cloud Level(s): Scattered at 3000ft, Solid Overcast at 10000ft
Current Conditions at
RANTOUL - (KTIP)
21°
Feels like 8°F
Cloudy
as of 3:15 PM CST
Rel. Humidity: 62%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: MVFR
Wind Data
14 MPH
230° Southwest
Cloud Level(s): Broken at 2900ft, Solid Overcast at 7500ft
Current Conditions at
CHAMPAIGN - (KCMI)
21°
Feels like 8°F
Cloudy
as of 3:17 PM CST
Rel. Humidity: 62%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
13 MPH
210° Southwest
Cloud Level(s): Few at 2800ft, Solid Overcast at 7000ft
20% chance of snow This Afternoon This Afternoon... A chance of flurries before 5pm, then a slight chance of snow after 5pm. Cloudy, with a high near 24. South southwest wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

40% chance of snow Tonight Tonight... A chance of snow or flurries before 11pm, then a chance of flurries between 11pm and midnight. Mostly cloudy, with a low around 6. Wind chill values between -7 and 3. Blustery, with a southwest wind 10 to 15 mph becoming west northwest 17 to 22 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 40%.

Mostly Cloudy on M.L.King Day M.L.King Day... Mostly cloudy, then gradually becoming sunny, with a high near 13. Wind chill values between -5 and -15. Blustery, with a west northwest wind 17 to 22 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 34 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 5. Wind chill values between -1 and -6. West southwest wind 5 to 10 mph, with gusts as high as 16 mph.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 26. Southwest wind 6 to 10 mph, with gusts as high as 16 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 19. South wind 6 to 11 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 25 mph.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 39. South southwest wind 9 to 18 mph becoming west in the afternoon. Winds could gust as high as 26 mph.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 17.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 26.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 15.

Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 29.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 10.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 19.

Current Radar Image


Sun Almanac for Unionville, Illinois
Sunrise: 07:09 AM
Sunset: 4:53 PM
Civil Sunrise:06:40 AM
Civil Sunset: 5:23 PM
Nautical Sunrise: 06:06 AM
Nautical Sunset: 5:56 PM
Astro Sunrise: 05:34 AM
Astro Sunset: 6:28 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.