RANTOUL, IL 61866 Weather Forecast & Current Conditions

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RANTOUL, IL
Current Weather

7:35 AM CDT SEP 30, 2026
Broken Clouds
63°F
Feels Like: 63°F
Dewpoint: 55°F
Rel. Hum.: 75%
Visibility: 10 miles
Wind: Calm
Pressure: 29.98 inches
Last 72 hours

Local Area Snow Depth

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RANTOUL, IL 61866
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly cloudy. A chance of showers, mainly this morning. Highs in the lower 80s. South winds 5 to 10 mph. Chance of rain 50 percent.
TONIGHT
Mostly cloudy. Lows in the upper 60s. South winds 5 to 10 mph.
THURSDAY
Mostly cloudy. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.
THURSDAY NIGHT
Showers. Lows in the lower 60s. West winds 5 to 10 mph, becoming northwest after midnight. Chance of rain near 100 percent.
FRIDAY
Mostly cloudy with a chance of showers in the morning, then mostly sunny in the afternoon. Cooler with highs in the lower 70s. North winds 10 to 15 mph. Chance of rain 50 percent.
FRIDAY NIGHT AND SATURDAY
Mostly clear. Lows in the upper 40s. Highs around 70.
SATURDAY NIGHT
Partly cloudy. Lows in the upper 40s.
SUNDAY AND SUNDAY NIGHT
Mostly clear. Highs in the lower 70s. Lows in the mid 40s.
MONDAY
Sunny. Highs in the mid 60s.
MONDAY NIGHT AND TUESDAY
Mostly clear. Lows in the lower 40s. Highs in the upper 60s.

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  7:00 PM CDT  9/29/2026
Wednesday
30 SEP 2026
RANTOUL, IL 61866 weather forecast Day 1, 0 hours 1 AM 58° 58° Partly Cloudy 1%

0% Thunder
( 1% severe)
S   5 80% 52°
Low 56° RANTOUL, IL 61866 weather forecast Day 1, 3 hours 4 AM 57° 56° Mostly Cloudy S   6 80% 51°
High 79° RANTOUL, IL 61866 weather forecast Day 1, 6 hours 7 AM 58° 57° Mostly Cloudy 4%

0% Thunder
( 0% severe)
S   6 75% 50°

Mostly Cloudy



RANTOUL, IL 61866 weather forecast Day 1, 9 hours 10 AM 69° 69° Mostly Cloudy S   8 59% 54°
RANTOUL, IL 61866 weather forecast Day 1, 12 hours 1 PM 75° 75° Mostly Cloudy 8%

0% Thunder
( 1% severe)
SSW   8 50% 55°
RANTOUL, IL 61866 weather forecast Day 1, 15 hours 4 PM 77° 79° Mostly Cloudy SSW   7 50% 57°
RANTOUL, IL 61866 weather forecast Day 1, 18 hours 7 PM 72° 72° Mostly Cloudy 5%

0% Thunder
( 1% severe)
SSE   6 57% 56°
RANTOUL, IL 61866 weather forecast Day 1, 21 hours 10 PM 69° 69° Mostly Cloudy S   8 63% 56°
Thursday
1 OCT 2026
RANTOUL, IL 61866 weather forecast Day 2, 0 hours 1 AM 69° 69° Mostly Cloudy 5%

0% Thunder
( 2% severe)
S   8 59% 54°
Low 67° RANTOUL, IL 61866 weather forecast Day 2, 3 hours 4 AM 68° 68° Mostly Cloudy SSW   8 61% 54°
High 85° RANTOUL, IL 61866 weather forecast Day 2, 6 hours 7 AM 68° 68° Mostly Cloudy 1%

0% Thunder
( 2% severe)
SSW   8 61% 54°

Mostly Cloudy



RANTOUL, IL 61866 weather forecast Day 2, 9 hours 10 AM 75° 75° Mostly Cloudy SSW   12 55% 58°
RANTOUL, IL 61866 weather forecast Day 2, 12 hours 1 PM 81° 82° Mostly Cloudy 9%

0% Thunder
( 7% severe)
SW   12 51% 61°
RANTOUL, IL 61866 weather forecast Day 2, 15 hours 4 PM 83° 84° Mostly Cloudy SW   10 51% 63°
RANTOUL, IL 61866 weather forecast Day 2, 18 hours 7 PM 76° 78° Mostly Cloudy 43%
RAIN
.25–.5 in
0% Thunder
( 19% severe)
SSW   6 64% 63°
RANTOUL, IL 61866 weather forecast Day 2, 21 hours 10 PM 72° 72° Mostly Cloudy SW   6 76% 64°

RANTOUL, IL extended weather forecast

BAD DAY
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Low 58° Low 59° Low 47° Low 48° Low 47°
High 84° High 67° High 68° High 73° High 69°
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
46% Rain
Overcast
84% Rain
Partly Cloudy
14% Rain
Partly Cloudy
18% Rain
Clear
13% Rain
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