Current Weather Forecast for Illiopolis

IL 62539  |   2:44pm

Weather Conditions

40°

Feels Like 33°

Partly Cloudy

28° 42°

1

UV Index

Good

Air Quality

W 13 mph

Wind

0 in

rain

Today

Sat 1/10

42°

Highest Temperature

83%

A mixture of rain and snow showers. High 42F. Winds W at 10 to 20 mph. Chance of rain 80%.

Tonight

Sat 1/10

23°

Lowest Temperature

24%

Some lingering evening flurries or snow showers. Cloudy. Low 23F. Winds WNW at 15 to 25 mph.

Tomorrow

Sun 1/11

34°

Highest Temperature

2%

Some clouds in the morning will give way to mainly sunny skies for the afternoon. High 34F. Winds WNW at 10 to 20 mph.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Illiopolis

Hourly Weather Forecast & Temperature

3PM

1%

40°

Feels Like 33°

Mostly Sunny

WNW 12 mph

Wind

1018 mb

Pressure

60%

Humidity

1

UV Index

10mi

Visibility

24%

Cloud Cover

4PM

15%

40°

Feels Like 33°

Partly Cloudy

W 10 mph

Wind

1018 mb

Pressure

63%

Humidity

0

UV Index

10mi

Visibility

30%

Cloud Cover

5PM

43%

38°

Feels Like 32°

Showers

WSW 8 mph

Wind

1018 mb

Pressure

68%

Humidity

0

UV Index

7mi

Visibility

76%

Cloud Cover

6PM

82%

37°

Feels Like 31°

Rain/Snow

WSW 9 mph

Wind

1019 mb

Pressure

68%

Humidity

0

UV Index

5mi

Visibility

89%

Cloud Cover

7PM

52%

36°

Feels Like 28°

Snow Showers

W 13 mph

Wind

1019 mb

Pressure

73%

Humidity

0

UV Index

5mi

Visibility

94%

Cloud Cover

8PM

24%

35°

Feels Like 25°

Cloudy

WNW 14 mph

Wind

1020 mb

Pressure

78%

Humidity

0

UV Index

10mi

Visibility

87%

Cloud Cover

9PM

21%

34°

Feels Like 23°

Mostly Cloudy

WNW 17 mph

Wind

1021 mb

Pressure

74%

Humidity

0

UV Index

10mi

Visibility

78%

Cloud Cover

10PM

21%

32°

Feels Like 21°

Mostly Cloudy

WNW 15 mph

Wind

1022 mb

Pressure

73%

Humidity

0

UV Index

10mi

Visibility

65%

Cloud Cover

11PM

21%

30°

Feels Like 20°

Partly Cloudy

WNW 14 mph

Wind

1022 mb

Pressure

71%

Humidity

0

UV Index

10mi

Visibility

48%

Cloud Cover

12AM

21%

29°

Feels Like 19°

Partly Cloudy

WNW 14 mph

Wind

1022 mb

Pressure

69%

Humidity

0

UV Index

10mi

Visibility

57%

Cloud Cover

1AM

21%

28°

Feels Like 17°

Mostly Cloudy

WNW 15 mph

Wind

1023 mb

Pressure

70%

Humidity

0

UV Index

10mi

Visibility

72%

Cloud Cover

2AM

15%

27°

Feels Like 14°

Mostly Cloudy

NW 17 mph

Wind

1023 mb

Pressure

69%

Humidity

0

UV Index

10mi

Visibility

74%

Cloud Cover

Sat 1/10

Sat

83%

28°

42°

Rain and snow showers. Highs in the low 40s and lows in the low 20s.

31°

Feels Like

W 13 mph

Wind

64%

Humidity

1

UV Index

7:18 AM

Sunrise

4:51 PM

Sunset

Sun 1/11

Sun

2%

23°

34°

Mix of sun and clouds. Highs in the mid 30s and lows in the mid 20s.

11°

Feels Like

WNW 16 mph

Wind

67%

Humidity

2

UV Index

7:18 AM

Sunrise

4:52 PM

Sunset

Mon 1/12

Mon

2%

26°

46°

Times of sun and clouds. Highs in the mid 40s and lows in the mid 30s.

19°

Feels Like

SW 11 mph

Wind

63%

Humidity

2

UV Index

7:17 AM

Sunrise

4:53 PM

Sunset

Tue 1/13

Tue

6%

35°

53°

Cloudy. Highs in the low 50s and lows in the mid 30s.

33°

Feels Like

SW 15 mph

Wind

60%

Humidity

1

UV Index

7:17 AM

Sunrise

4:54 PM

Sunset

Wed 1/14

Wed

16%

22°

45°

Morning clouds followed by afternoon sun. Highs in the upper 30s and lows in the mid teens.

14°

Feels Like

NW 19 mph

Wind

68%

Humidity

1

UV Index

7:17 AM

Sunrise

4:55 PM

Sunset

Thu 1/15

Thu

16%

16°

32°

Mix of sun and clouds. Highs in the low 30s and lows in the mid 20s.

7°

Feels Like

WSW 8 mph

Wind

64%

Humidity

2

UV Index

7:16 AM

Sunrise

4:56 PM

Sunset

Fri 1/16

Fri

23%

27°

39°

Mostly cloudy. Highs in the upper 30s and lows in the low 20s.

19°

Feels Like

WSW 12 mph

Wind

68%

Humidity

1

UV Index

7:16 AM

Sunrise

4:57 PM

Sunset

Sat 1/17

Sat

8%

15°

30°

More clouds than sun. Highs in the mid 20s and lows in the upper single digits.

9°

Feels Like

WNW 12 mph

Wind

72%

Humidity

1

UV Index

7:15 AM

Sunrise

4:59 PM

Sunset

Need to see beyond 12 Hours?

Find more forecast on the FREE FOX WEATHER App

GO TO APP STORE

Latest Stories from Illinois

Cross country storm expected to dampen NFL Wild Card Weekend

The NFL playoffs are finally upon us, as teams kick off Wild Card Weekend amid wet weather that could make an impact.

Pair of cross-country storms to bring rain, snow and severe weather threat to millions by late week

Two cross-country storms are expected to bring rain to millions across more than 30 states beginning Thursday, packing a severe weather threat for the Deep South and the potential for snow from the higher elevations of the Four Corners through the Central Plains and Upper Midwest.

See the top 5 wildest moments in weather caught on camera live from the field in 2025

The year 2025 has been filled with plenty of ups and downs in the world of weather, but not without some interesting moments caught on camera.

Dangerous winter storm knocks out power to over 300,000 from hurricane-force winds, heavy snow

An intense winter front is sweeping across the Northern Tier, unleashing snow, ice, and strong winds as power outages skyrocket and travel grinds to a halt for major airport hubs and interstates.

Load More Stories