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Weather hour by hour (periods) in Illinois , United States

Illinois, United States

Day

cold and cloudy

8°

Night

frost from evening

-4°

Day

cold

1°

Night

frost

-3°

Day

cold

2°

Night

frost from midnight till dawn followed by light fog

0°

Day

generally overcast with light fog at morning

7°

Night

light fog till midnight, chance for light rain at dawn

8°

Day

generally mostly cloudy with chance for light rain at morning

18°

Night

chance for light rain till early night hours

15°

Day

mostly cloudy

18°

Night

chance for light rain till early night hours

8°

Day

overcast

7°

Night

snow showers from midnight, frost at dawn

0°

Day

generally partly cloudy with frost at morning

3°

Night

chance for snow showers at dawn

1°

Day

chance for snow showers, chance for snow/rain mix, chance for rain showers at times

7°

Night

chance for rain with thunderstorms heavy at times, brisk wind from midnight till dawn

7°

Dawn

Very Cold

Very Cold

1°

Morning

Very Cold

Very Cold

3°

Noon

Overcast

Overcast

8°

Afternoon

Cloudy

Cloudy

8°

Evening

Frost

Frost

2°

Night

Frost

Frost

-1°

Night Frost is expected / Make sure to protect the car engine with antifreeze and cover the water pipes to prevent cracks.

Frost is expected / Make sure to protect the car engine with antifreeze and cover the water pipes to prevent cracks.

Dawn

Southern

25km/h

Morning

Southern

23km/h

Noon

Southwestern

19km/h

Afternoon

Western

15km/h

Evening

North-west

15km/h

Night

North-west

15km/h

Dawn

Relative Humidity

54%

Morning

Relative Humidity

48%

Noon

Relative Humidity

44%

Afternoon

Relative Humidity

49%

Evening

Relative Humidity

66%

Night

Relative Humidity

66%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

0%

Night

Precipitation Probability

0%

Dawn

Frost

Frost

-4°

Morning

Very Cold

Very Cold

-3°

Noon

Very Cold

Very Cold

0°

Afternoon

Very Cold

Very Cold

1°

Evening

Frost

Frost

-2°

Night

Frost

Frost

-3°

Day Very cold weather expected / Make sure to stay warm.

Very cold weather expected / Make sure to stay warm.

Night Frost is expected / Make sure to protect the car engine with antifreeze and cover the water pipes to prevent cracks.

Frost is expected / Make sure to protect the car engine with antifreeze and cover the water pipes to prevent cracks.

Dawn

North-west

13km/h

Morning

Northern

9km/h

Noon

Northern

5km/h

Afternoon

Eastern

3km/h

Evening

Southeastern

9km/h

Night

Southeastern

12km/h

Dawn

Relative Humidity

76%

Morning

Relative Humidity

47%

Noon

Relative Humidity

38%

Afternoon

Relative Humidity

37%

Evening

Relative Humidity

60%

Night

Relative Humidity

64%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

0%

Night

Precipitation Probability

0%

Dawn

Frost

Frost

-2°

Morning

Very Cold

Very Cold

0°

Noon

Very Cold

Very Cold

1°

Afternoon

Very Cold

Very Cold

2°

Evening

Very Cold

Very Cold

2°

Night

Frost

Frost

0°

Day Very cold weather expected / Make sure to stay warm.

Very cold weather expected / Make sure to stay warm.

Dawn

Southeastern

12km/h

Morning

Southeastern

15km/h

Noon

Southeastern

16km/h

Afternoon

Southeastern

17km/h

Evening

Southern

19km/h

Night

Southern

20km/h

Dawn

Relative Humidity

65%

Morning

Relative Humidity

47%

Noon

Relative Humidity

38%

Afternoon

Relative Humidity

41%

Evening

Relative Humidity

71%

Night

Relative Humidity

92%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

0%

Night

Precipitation Probability

0%

Dawn

Mist - Light Fog

Mist - Light Fog

0°

Morning

Mist - Light Fog

Mist - Light Fog

4°

Noon

Overcast

Overcast

6°

Afternoon

Overcast

Overcast

7°

Evening

Mist - Light Fog

Mist - Light Fog

8°

Night

Mist - Light Fog

Mist - Light Fog

8°

Dawn

Southwestern

17km/h

Morning

Southwestern

13km/h

Noon

Western

15km/h

Afternoon

Western

9km/h

Evening

Northeastern

10km/h

Night

Southeastern

17km/h

Dawn

Relative Humidity

98%

Morning

Relative Humidity

89%

Noon

Relative Humidity

76%

Afternoon

Relative Humidity

74%

Evening

Relative Humidity

97%

Night

Relative Humidity

98%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

0%

Night

Precipitation Probability

0%

Dawn

Chance for Light Rain

Chance for Light Rain

8°

Morning

Chance for Light Rain

Chance for Light Rain

11°

Noon

Mostly Cloudy

Mostly Cloudy

17°

Afternoon

Cloudy

Cloudy

18°

Evening

Chance for Light Rain

Chance for Light Rain

16°

Night

Chance for Light Rain

Chance for Light Rain

16°

Dawn

Southern

21km/h

Morning

Southern

21km/h

Noon

Southwestern

21km/h

Afternoon

Southwestern

17km/h

Evening

Southwestern

13km/h

Night

Southwestern

18km/h

Dawn

Relative Humidity

97%

Morning

Relative Humidity

97%

Noon

Relative Humidity

86%

Afternoon

Relative Humidity

84%

Evening

Relative Humidity

89%

Night

Relative Humidity

91%

Dawn

Precipitation Probability

41%

Morning

Precipitation Probability

37%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

31%

Night

Precipitation Probability

31%

Dawn

Overcast

Overcast

15°

Morning

Cloudy

Cloudy

15°

Noon

Mostly Cloudy

Mostly Cloudy

18°

Afternoon

Overcast

Overcast

18°

Evening

Chance for Light Rain

Chance for Light Rain

17°

Night

Chance for Light Rain

Chance for Light Rain

14°

Dawn

Southwestern

18km/h

Morning

Southwestern

17km/h

Noon

Southwestern

20km/h

Afternoon

Southwestern

15km/h

Evening

Southwestern

12km/h

Night

Southwestern

20km/h

Dawn

Relative Humidity

94%

Morning

Relative Humidity

87%

Noon

Relative Humidity

77%

Afternoon

Relative Humidity

77%

Evening

Relative Humidity

89%

Night

Relative Humidity

93%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

52%

Night

Precipitation Probability

52%

Dawn

Overcast

Overcast

8°

Morning

Cloudy

Cloudy

7°

Noon

Overcast

Overcast

6°

Afternoon

Very Cold

Very Cold

5°

Evening

Very Cold

Very Cold

4°

Night

Scattered snow

Scattered snow

1°

Night Intermittent snow expected / Risk of slippery roads.

Intermittent snow expected / Risk of slippery roads.

Dawn

North-west

31km/h

Morning

Northern

24km/h

Noon

Northern

22km/h

Afternoon

Northern

20km/h

Evening

Northern

18km/h

Night

Northeastern

17km/h

Dawn

Relative Humidity

86%

Morning

Relative Humidity

76%

Noon

Relative Humidity

72%

Afternoon

Relative Humidity

69%

Evening

Relative Humidity

68%

Night

Relative Humidity

74%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

0%

Night

Precipitation Probability

65%

Dawn

Scattered snow

Scattered snow

0°

Morning

Frost

Frost

0°

Noon

Very Cold

Very Cold

3°

Afternoon

Very Cold

Very Cold

3°

Evening

Very Cold

Very Cold

1°

Night

Very Cold

Very Cold

1°

Day Very cold weather expected / Make sure to stay warm.

Very cold weather expected / Make sure to stay warm.

Dawn

Northeastern

18km/h

Morning

Northeastern

17km/h

Noon

Eastern

17km/h

Afternoon

Eastern

18km/h

Evening

Eastern

16km/h

Night

Eastern

18km/h

Dawn

Relative Humidity

84%

Morning

Relative Humidity

70%

Noon

Relative Humidity

60%

Afternoon

Relative Humidity

56%

Evening

Relative Humidity

69%

Night

Relative Humidity

72%

Dawn

Precipitation Probability

65%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

0%

Night

Precipitation Probability

0%

Dawn

Very Cold

Very Cold

1°

Morning

Chance for Sleet

Chance for Sleet

2°

Noon

Chance for Sleet

Chance for Sleet

4°

Afternoon

Chance for Light Rain

Chance for Light Rain

7°

Evening

Chance for Thunderstorms

Chance for Thunderstorms

8°

Night

A chance for Thunderstorms with Brisk Winds

A chance for Thunderstorms with Brisk Winds

10°

Night Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Dawn

Southeastern

26km/h

Morning

Southeastern

28km/h

Noon

Southeastern

28km/h

Afternoon

Southeastern

29km/h

Evening

Southeastern

27km/h

Night

Southern

37km/h

Dawn

Relative Humidity

82%

Morning

Relative Humidity

84%

Noon

Relative Humidity

76%

Afternoon

Relative Humidity

74%

Evening

Relative Humidity

92%

Night

Relative Humidity

94%

Dawn

Precipitation Probability

58%

Morning

Precipitation Probability

58%

Noon

Precipitation Probability

58%

Afternoon

Precipitation Probability

58%

Evening

Precipitation Probability

58%

Night

Precipitation Probability

60%