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

Day

generally partly cloudy with frost at morning

Night

chance for snow showers at night followed by frost

-2°

Day

generally partly cloudy with frost at early morning

Night

light fog at dawn

Day

mostly clear

18°

Night

cold and mostly clear

Day

cold and overcast

Night

frost from midnight

-2°

Day

frost till morning, snow heavy at times at afternoon

Night

snow showers

-3°

Day

frost, chance for snow showers at afternoon

-1°

Night

frost and chance for snow showers at times

-5°

Day

chance for snow showers till noon followed by frost

Night

frost till midnight followed by light fog

-6°

Day

frost till morning

Night

chance for snow/rain mix from midnight, rain showers at dawn

Day

rain showers

15°

Night

rain showers, fog at dawn

14°

Dawn

Frost

Frost

-1°

Morning

Frost

Frost

Noon

Very Cold

Very Cold

Afternoon

Overcast

Overcast

Evening

Very Cold

Very Cold

Night

Very Cold

Very Cold

-1°

Dawn

North-west

11km/h

Morning

North-west

13km/h

Noon

North-west

14km/h

Afternoon

North-west

12km/h

Evening

North-west

7km/h

Night

Northern

6km/h

Dawn

Relative Humidity

88%

Morning

Relative Humidity

55%

Noon

Relative Humidity

38%

Afternoon

Relative Humidity

35%

Evening

Relative Humidity

56%

Night

Relative Humidity

69%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

0%

Night

Precipitation Probability

59%

Dawn

Frost

Frost

-2°

Morning

Frost

Frost

Noon

Very Cold

Very Cold

Afternoon

Scattered Clouds

Scattered Clouds

Evening

Scattered Clouds

Scattered Clouds

Night

Very Cold

Very Cold

Dawn

Northern

8km/h

Morning

Eastern

7km/h

Noon

Southern

9km/h

Afternoon

Southwestern

10km/h

Evening

Southwestern

9km/h

Night

Southwestern

11km/h

Dawn

Relative Humidity

70%

Morning

Relative Humidity

49%

Noon

Relative Humidity

44%

Afternoon

Relative Humidity

45%

Evening

Relative Humidity

83%

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

Morning

Very Cold

Very Cold

Noon

Mostly Clear

Mostly Clear

17°

Afternoon

Mostly Clear

Mostly Clear

18°

Evening

Mostly Clear

Mostly Clear

14°

Night

Scattered Clouds

Scattered Clouds

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

Very cold weather expected / Make sure to stay warm.

Dawn

Southwestern

11km/h

Morning

Southwestern

14km/h

Noon

Southwestern

23km/h

Afternoon

Southwestern

28km/h

Evening

Southwestern

15km/h

Night

Western

13km/h

Dawn

Relative Humidity

93%

Morning

Relative Humidity

60%

Noon

Relative Humidity

35%

Afternoon

Relative Humidity

31%

Evening

Relative Humidity

60%

Night

Relative Humidity

84%

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

Very Cold

Very Cold

Morning

Very Cold

Very Cold

Noon

Overcast

Overcast

Afternoon

Overcast

Overcast

Evening

Very Cold

Very Cold

Night

Frost

Frost

-2°

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

Northern

12km/h

Morning

Northeastern

17km/h

Noon

Northeastern

13km/h

Afternoon

Eastern

13km/h

Evening

Northeastern

19km/h

Night

Northeastern

21km/h

Dawn

Relative Humidity

74%

Morning

Relative Humidity

43%

Noon

Relative Humidity

30%

Afternoon

Relative Humidity

28%

Evening

Relative Humidity

47%

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

0%

Dawn

Frost

Frost

-2°

Morning

Frost

Frost

-1°

Noon

Very Cold

Very Cold

Afternoon

Heavy Snow

Heavy Snow

-2°

Evening

Snowy

Snowy

-3°

Night

Snowy

Snowy

-3°

Day Heavy snow expected / Risk of snow accumulations and slippery conditions on roads.

Heavy snow expected / Risk of snow accumulations and slippery conditions on roads.

Night Snow is expected / Risk of slippery roads.

Snow is expected / Risk of slippery roads.

Dawn

Northeastern

16km/h

Morning

Northeastern

18km/h

Noon

Northeastern

17km/h

Afternoon

Northeastern

22km/h

Evening

Northeastern

23km/h

Night

Eastern

19km/h

Dawn

Relative Humidity

83%

Morning

Relative Humidity

57%

Noon

Relative Humidity

46%

Afternoon

Relative Humidity

44%

Evening

Relative Humidity

85%

Night

Relative Humidity

93%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

78%

Evening

Precipitation Probability

78%

Night

Precipitation Probability

75%

Dawn

Snowy

Snowy

-3°

Morning

Frost

Frost

-3°

Noon

Frost

Frost

-1°

Afternoon

Frost

Frost

-1°

Evening

Frost

Frost

-3°

Night

Frost

Frost

-5°

Dawn

Northeastern

19km/h

Morning

Eastern

18km/h

Noon

Eastern

15km/h

Afternoon

Eastern

16km/h

Evening

Eastern

17km/h

Night

Eastern

14km/h

Dawn

Relative Humidity

93%

Morning

Relative Humidity

85%

Noon

Relative Humidity

81%

Afternoon

Relative Humidity

81%

Evening

Relative Humidity

86%

Night

Relative Humidity

89%

Dawn

Precipitation Probability

61%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

35%

Evening

Precipitation Probability

35%

Night

Precipitation Probability

38%

Dawn

Chance for Light Snow

Chance for Light Snow

-4°

Morning

Chance for Light Snow

Chance for Light Snow

-3°

Noon

Frost

Frost

Afternoon

Frost

Frost

Evening

Frost

Frost

Night

Frost

Frost

-1°

Dawn

Eastern

8km/h

Morning

Northern

13km/h

Noon

Northern

16km/h

Afternoon

Northern

14km/h

Evening

North-west

11km/h

Night

Northern

8km/h

Dawn

Relative Humidity

95%

Morning

Relative Humidity

91%

Noon

Relative Humidity

88%

Afternoon

Relative Humidity

84%

Evening

Relative Humidity

86%

Night

Relative Humidity

92%

Dawn

Precipitation Probability

58%

Morning

Precipitation Probability

55%

Noon

Precipitation Probability

40%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

0%

Night

Precipitation Probability

0%

Dawn

Mist - Light Fog

Mist - Light Fog

-6°

Morning

Frost

Frost

-1°

Noon

Very Cold

Very Cold

Afternoon

Very Cold

Very Cold

Evening

Very Cold

Very Cold

Night

Chance for Sleet

Chance for Sleet

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

Very cold weather expected / Make sure to stay warm.

Dawn

Northeastern

6km/h

Morning

Eastern

8km/h

Noon

Southeastern

10km/h

Afternoon

Southeastern

11km/h

Evening

Southeastern

12km/h

Night

Southeastern

13km/h

Dawn

Relative Humidity

94%

Morning

Relative Humidity

60%

Noon

Relative Humidity

49%

Afternoon

Relative Humidity

51%

Evening

Relative Humidity

63%

Night

Relative Humidity

79%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

0%

Night

Precipitation Probability

52%

Dawn

Sleet

Sleet

Morning

Rain Showers

Rain Showers

Noon

Rain Showers

Rain Showers

14°

Afternoon

Rain Showers

Rain Showers

15°

Evening

Rain Showers

Rain Showers

16°

Night

Rain Showers

Rain Showers

15°

Dawn

Southeastern

15km/h

Morning

Southern

19km/h

Noon

Southern

22km/h

Afternoon

Southern

19km/h

Evening

Southwestern

14km/h

Night

Southwestern

10km/h

Dawn

Relative Humidity

88%

Morning

Relative Humidity

89%

Noon

Relative Humidity

93%

Afternoon

Relative Humidity

93%

Evening

Relative Humidity

94%

Night

Relative Humidity

96%

Dawn

Precipitation Probability

76%

Morning

Precipitation Probability

77%

Noon

Precipitation Probability

77%

Afternoon

Precipitation Probability

76%

Evening

Precipitation Probability

71%

Night

Precipitation Probability

73%