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

Day

cold

Night

frost at dawn

-2°

Day

cold

Night

frost

-4°

Day

frost at early morning followed by snow showers

-3°

Night

snow showers till midnight followed by frost

-10°

Day

frost

-5°

Night

frost

-16°

Day

frost

-3°

Night

frost at evening followed by snow showers

-4°

Day

snow showers

Night

chance for snow showers

-8°

Day

frost from noon

-6°

Night

frost

-19°

Day

frost till noon followed by chance for light snow

-9°

Night

chance for snow showers, frost

-12°

Day

chance for snow showers till morning, frost from morning till noon

Night

chance for snow/rain mix till midnight followed by chance for snow showers

Dawn

Very Cold

Very Cold

-5°

Morning

Very Cold

Very Cold

-3°

Noon

Very Cold

Very Cold

Afternoon

Very Cold

Very Cold

Evening

Very Cold

Very Cold

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.

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

Very cold weather expected / Make sure to stay warm.

Dawn

North-west

7km/h

Morning

Northern

3km/h

Noon

Northeastern

4km/h

Afternoon

Eastern

4km/h

Evening

Southeastern

6km/h

Night

Eastern

8km/h

Dawn

Relative Humidity

50%

Morning

Relative Humidity

29%

Noon

Relative Humidity

28%

Afternoon

Relative Humidity

29%

Evening

Relative Humidity

51%

Night

Relative Humidity

58%

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

-3°

Noon

Very Cold

Very Cold

Afternoon

Very Cold

Very Cold

Evening

Frost

Frost

-3°

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

Northeastern

16km/h

Morning

Northeastern

20km/h

Noon

Northeastern

20km/h

Afternoon

Northeastern

20km/h

Evening

Northeastern

19km/h

Night

Northeastern

19km/h

Dawn

Relative Humidity

60%

Morning

Relative Humidity

43%

Noon

Relative Humidity

42%

Afternoon

Relative Humidity

45%

Evening

Relative Humidity

65%

Night

Relative Humidity

70%

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

Scattered snow

Scattered snow

-4°

Noon

Snowy

Snowy

-3°

Afternoon

Snowy

Snowy

-3°

Evening

Snowy

Snowy

-4°

Night

Scattered snow

Scattered snow

-6°

Day Snow is expected / Risk of slippery roads.

Snow is expected / Risk of slippery roads.

Night Snow is expected / Risk of slippery roads.

Snow is expected / Risk of slippery roads.

Dawn

Northeastern

17km/h

Morning

Northeastern

20km/h

Noon

Northeastern

18km/h

Afternoon

Northeastern

17km/h

Evening

Northern

16km/h

Night

Northern

23km/h

Dawn

Relative Humidity

69%

Morning

Relative Humidity

66%

Noon

Relative Humidity

76%

Afternoon

Relative Humidity

86%

Evening

Relative Humidity

92%

Night

Relative Humidity

91%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

98%

Noon

Precipitation Probability

99%

Afternoon

Precipitation Probability

99%

Evening

Precipitation Probability

97%

Night

Precipitation Probability

94%

Dawn

Frost

Frost

-10°

Morning

Frost

Frost

-9°

Noon

Frost

Frost

-6°

Afternoon

Frost

Frost

-5°

Evening

Frost

Frost

-11°

Night

Frost

Frost

-15°

Day 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.

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

21km/h

Morning

North-west

15km/h

Noon

North-west

14km/h

Afternoon

North-west

12km/h

Evening

North-west

7km/h

Night

Western

4km/h

Dawn

Relative Humidity

86%

Morning

Relative Humidity

78%

Noon

Relative Humidity

72%

Afternoon

Relative Humidity

67%

Evening

Relative Humidity

75%

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

0%

Dawn

Frost

Frost

-16°

Morning

Frost

Frost

-11°

Noon

Frost

Frost

-4°

Afternoon

Frost

Frost

-3°

Evening

Scattered snow

Scattered snow

-4°

Night

Scattered snow

Scattered snow

-3°

Day 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.

Night Intermittent snow expected / Risk of slippery roads.

Intermittent snow expected / Risk of slippery roads.

Dawn

Southeastern

8km/h

Morning

Southeastern

13km/h

Noon

Southeastern

13km/h

Afternoon

Southeastern

19km/h

Evening

Southeastern

23km/h

Night

Southeastern

23km/h

Dawn

Relative Humidity

81%

Morning

Relative Humidity

74%

Noon

Relative Humidity

70%

Afternoon

Relative Humidity

67%

Evening

Relative Humidity

66%

Night

Relative Humidity

73%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

69%

Night

Precipitation Probability

82%

Dawn

Scattered snow

Scattered snow

-2°

Morning

Snowy

Snowy

Noon

Snowy

Snowy

Afternoon

Snowy

Snowy

Evening

Snowy

Snowy

-1°

Night

Snowy

Snowy

-4°

Day Snow is expected / Risk of slippery roads.

Snow is expected / Risk of slippery roads.

Night Snow is expected / Risk of slippery roads.

Snow is expected / Risk of slippery roads.

Dawn

Southern

16km/h

Morning

Southern

10km/h

Noon

Northeastern

11km/h

Afternoon

Northeastern

23km/h

Evening

Northern

27km/h

Night

Northern

30km/h

Dawn

Relative Humidity

81%

Morning

Relative Humidity

78%

Noon

Relative Humidity

75%

Afternoon

Relative Humidity

70%

Evening

Relative Humidity

69%

Night

Relative Humidity

61%

Dawn

Precipitation Probability

85%

Morning

Precipitation Probability

72%

Noon

Precipitation Probability

70%

Afternoon

Precipitation Probability

69%

Evening

Precipitation Probability

72%

Night

Precipitation Probability

66%

Dawn

Chance for Light Snow

Chance for Light Snow

-8°

Morning

Very Cold

Very Cold

-7°

Noon

Frost

Frost

-6°

Afternoon

Frost

Frost

-6°

Evening

Frost

Frost

-10°

Night

Frost

Frost

-16°

Day 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.

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

29km/h

Morning

North-west

26km/h

Noon

North-west

25km/h

Afternoon

North-west

22km/h

Evening

Western

17km/h

Night

Western

15km/h

Dawn

Relative Humidity

53%

Morning

Relative Humidity

52%

Noon

Relative Humidity

61%

Afternoon

Relative Humidity

63%

Evening

Relative Humidity

64%

Night

Relative Humidity

66%

Dawn

Precipitation Probability

49%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

0%

Night

Precipitation Probability

0%

Dawn

Frost

Frost

-19°

Morning

Frost

Frost

-16°

Noon

Frost

Frost

-11°

Afternoon

Chance for Light Snow

Chance for Light Snow

-9°

Evening

Frost

Frost

-12°

Night

Frost

Frost

-11°

Dawn

Western

9km/h

Morning

Southwestern

8km/h

Noon

Southern

11km/h

Afternoon

Southeastern

11km/h

Evening

Eastern

12km/h

Night

Southeastern

17km/h

Dawn

Relative Humidity

65%

Morning

Relative Humidity

65%

Noon

Relative Humidity

72%

Afternoon

Relative Humidity

77%

Evening

Relative Humidity

85%

Night

Relative Humidity

79%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

25%

Afternoon

Precipitation Probability

28%

Evening

Precipitation Probability

28%

Night

Precipitation Probability

0%

Dawn

Frost

Frost

-7°

Morning

Frost

Frost

-3°

Noon

Frost

Frost

Afternoon

Very Cold

Very Cold

Evening

Chance for Sleet

Chance for Sleet

Night

Chance for Sleet

Chance for Sleet

Dawn

Southern

15km/h

Morning

Southern

11km/h

Noon

Southern

12km/h

Afternoon

Southern

16km/h

Evening

Southern

20km/h

Night

Southern

21km/h

Dawn

Relative Humidity

78%

Morning

Relative Humidity

78%

Noon

Relative Humidity

79%

Afternoon

Relative Humidity

80%

Evening

Relative Humidity

83%

Night

Relative Humidity

84%

Dawn

Precipitation Probability

36%

Morning

Precipitation Probability

35%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

44%

Night

Precipitation Probability

44%