RANTOUL, IL 61866 Weather Forecast & Current Conditions

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RANTOUL, IL
Current Weather

6:15 AM CST DEC 16, 2025
Clear
14°F
Feels Like: 14°F
Dewpoint: 9°F
Rel. Hum.: 77%
Visibility: 10 miles
Wind: Calm
Pressure: 30.05 inches
Last 72 hours

Local Area Snow Depth

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RANTOUL, IL 61866
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Sunny. Not as cool with highs in the mid 30s. South winds 10 to 15 mph.
TONIGHT
Mostly cloudy. Patchy freezing fog after midnight. Not as cool. Near steady temperature in the lower 30s. Southwest winds 10 to 15 mph.
WEDNESDAY
Patchy freezing fog in the morning. Partly sunny. Highs in the upper 30s. West winds around 5 mph, becoming south in the afternoon.
WEDNESDAY NIGHT
Mostly cloudy. A chance of rain after midnight. Lows in the lower 30s. Temperature rising into the lower 40s after midnight. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.
THURSDAY
Mostly cloudy. Rain in the morning, then a chance of rain and snow in the afternoon. Little or no snow accumulation. Breezy and not as cool with highs in the upper 40s. Temperature falling into the upper 30s in the afternoon. South winds 15 to 20 mph, becoming west 20 to 25 mph in the afternoon. Chance of precipitation 90 percent.
THURSDAY NIGHT
Mostly cloudy and brisk. Much cooler with lows 10 to 15. Wind chill values as low as zero.
FRIDAY
Mostly sunny. Much cooler with highs in the upper 20s. Wind chill values as low as zero in the morning.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
Mostly cloudy. Lows in the mid 20s. Highs in the mid 40s.
SUNDAY
Mostly sunny. Highs in the upper 30s.
SUNDAY NIGHT AND MONDAY
Mostly cloudy. Lows in the mid 20s. Highs around 40.

Visible Weather Satellite
RANTOUL, IL 61866
Infrared Weather Satellite
RANTOUL, IL 61866
NEXRAD Weather Radar
RANTOUL, IL 61866

RANTOUL, IL 3 hourly weather forecast

weather forecast created  6:00 PM CST 12/15/2025
Tuesday
16 DEC 2025
RANTOUL, IL 61866 weather forecast Day 1, 0 hours 12 AM 16° Clear 0%

0% Thunder
( 0% severe)
SSW   5 82% 12°
Low 14° RANTOUL, IL 61866 weather forecast Day 1, 3 hours 3 AM 15° Clear S   6 82% 11°
High 35° RANTOUL, IL 61866 weather forecast Day 1, 6 hours 6 AM 15° Clear 0%

0% Thunder
( 0% severe)
S   7 82% 11°

Partly Cloudy



RANTOUL, IL 61866 weather forecast Day 1, 9 hours 9 AM 22° 11° Clear SSW   10 79% 17°
RANTOUL, IL 61866 weather forecast Day 1, 12 hours 12 PM 31° 22° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   12 81% 26°
RANTOUL, IL 61866 weather forecast Day 1, 15 hours 3 PM 33° 23° Partly Cloudy SSW   14 81% 28°
RANTOUL, IL 61866 weather forecast Day 1, 18 hours 6 PM 31° 21° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   13 84% 27°
RANTOUL, IL 61866 weather forecast Day 1, 21 hours 9 PM 32° 22° Mostly Cloudy SSW   14 85% 28°
Wednesday
17 DEC 2025
RANTOUL, IL 61866 weather forecast Day 2, 0 hours 12 AM 32° 22° Mostly Cloudy 2%

0% Thunder
( 0% severe)
SW   15 88% 29°
Low 29° RANTOUL, IL 61866 weather forecast Day 2, 3 hours 3 AM 33° 24° Mostly Cloudy SW   13 88% 30°
High 38° RANTOUL, IL 61866 weather forecast Day 2, 6 hours 6 AM 32° 24° Mostly Cloudy 1%

0% Thunder
( 0% severe)
WSW   10 96% 31°

Mostly Cloudy



RANTOUL, IL 61866 weather forecast Day 2, 9 hours 9 AM 33° 26° Partly Cloudy WSW   8 100% 33°
RANTOUL, IL 61866 weather forecast Day 2, 12 hours 12 PM 36° 31° Mostly Cloudy 1%

0% Thunder
( 0% severe)
WSW   6 96% 35°
RANTOUL, IL 61866 weather forecast Day 2, 15 hours 3 PM 36° 31° Mostly Cloudy S   6 92% 34°
RANTOUL, IL 61866 weather forecast Day 2, 18 hours 6 PM 33° 27° Mostly Cloudy 1%

0% Thunder
( 0% severe)
SSE   7 96% 32°
RANTOUL, IL 61866 weather forecast Day 2, 21 hours 9 PM 33° 25° Mostly Cloudy SSE   9 96% 32°

RANTOUL, IL extended weather forecast

Thursday
18 DEC 2025
Friday
19 DEC 2025
Saturday
20 DEC 2025
Sunday
21 DEC 2025
Monday
22 DEC 2025
Low 38° Low 23° Low 25° Low 22° Low 20°
High 50° High 30° High 43° High 32° High 42°
RANTOUL, IL 61866 weather forecast Day 3 RANTOUL, IL 61866 weather forecast Day 4 RANTOUL, IL 61866 weather forecast Day 5 RANTOUL, IL 61866 weather forecast Day 6 RANTOUL, IL 61866 weather forecast Day 7
Overcast
92% Rain
Partly Cloudy
15% Snow
Partly Cloudy
13% Rain/Snow
Partly Cloudy
13% Rain/Snow
Mostly Cloudy
9% Snow
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