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

Day

frost mainly at morning

Night

frost, light snow at dawn

-3°

Day

snow showers

-2°

Night

snow showers till midnight followed by frost

-11°

Day

frost till noon

-7°

Night

frost

-13°

Day

frost till morning

-2°

Night

snow showers

-3°

Day

light fog till morning followed by snow showers

Night

snow showers till midnight followed by frost

-11°

Day

frost

-9°

Night

frost

-17°

Day

frost, chance for light snow at afternoon

-9°

Night

chance for snow showers

-9°

Day

frost, chance for light snow at afternoon

Night

light snow till early night hours followed by frost

-8°

Day

frost from noon

-7°

Night

frost

-13°

Dawn

Frost

Frost

-2°

Morning

Frost

Frost

-1°

Noon

Very Cold

Very Cold

Afternoon

Frost

Frost

Evening

Frost

Frost

-1°

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

13km/h

Morning

Northeastern

19km/h

Noon

Northeastern

20km/h

Afternoon

Northeastern

20km/h

Evening

Northeastern

20km/h

Night

Northeastern

19km/h

Dawn

Relative Humidity

76%

Morning

Relative Humidity

59%

Noon

Relative Humidity

53%

Afternoon

Relative Humidity

54%

Evening

Relative Humidity

70%

Night

Relative Humidity

73%

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

Scattered snow

Scattered snow

-3°

Morning

Snowy

Snowy

-3°

Noon

Snowy

Snowy

-2°

Afternoon

Snowy

Snowy

-2°

Evening

Snowy

Snowy

-3°

Night

Scattered snow

Scattered snow

-7°

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

16km/h

Morning

Northeastern

17km/h

Noon

Northeastern

15km/h

Afternoon

Northeastern

14km/h

Evening

Northern

13km/h

Night

North-west

21km/h

Dawn

Relative Humidity

72%

Morning

Relative Humidity

69%

Noon

Relative Humidity

77%

Afternoon

Relative Humidity

81%

Evening

Relative Humidity

89%

Night

Relative Humidity

89%

Dawn

Precipitation Probability

67%

Morning

Precipitation Probability

99%

Noon

Precipitation Probability

99%

Afternoon

Precipitation Probability

99%

Evening

Precipitation Probability

99%

Night

Precipitation Probability

99%

Dawn

Frost

Frost

-11°

Morning

Frost

Frost

-10°

Noon

Frost

Frost

-7°

Afternoon

Very Cold

Very Cold

-7°

Evening

Frost

Frost

-12°

Night

Frost

Frost

-13°

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

23km/h

Morning

North-west

20km/h

Noon

North-west

17km/h

Afternoon

North-west

14km/h

Evening

North-west

5km/h

Night

Western

5km/h

Dawn

Relative Humidity

86%

Morning

Relative Humidity

69%

Noon

Relative Humidity

57%

Afternoon

Relative Humidity

53%

Evening

Relative Humidity

61%

Night

Relative Humidity

68%

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

-12°

Morning

Frost

Frost

-10°

Noon

Very Cold

Very Cold

-3°

Afternoon

Very Cold

Very Cold

-2°

Evening

Scattered snow

Scattered snow

-2°

Night

Scattered snow

Scattered snow

-2°

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

Very cold weather expected / Make sure to stay warm.

Night Snow is expected / Risk of slippery roads.

Snow is expected / Risk of slippery roads.

Dawn

Southeastern

11km/h

Morning

Southeastern

16km/h

Noon

Southeastern

18km/h

Afternoon

Southeastern

21km/h

Evening

Southeastern

24km/h

Night

Southern

20km/h

Dawn

Relative Humidity

68%

Morning

Relative Humidity

55%

Noon

Relative Humidity

47%

Afternoon

Relative Humidity

50%

Evening

Relative Humidity

61%

Night

Relative Humidity

89%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

66%

Night

Precipitation Probability

79%

Dawn

Snowy

Snowy

-1°

Morning

Snowy

Snowy

Noon

Snowy

Snowy

Afternoon

Snowy

Snowy

Evening

Snowy

Snowy

-3°

Night

Scattered snow

Scattered snow

-7°

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

Southeastern

11km/h

Morning

Southern

7km/h

Noon

Northern

17km/h

Afternoon

Northern

22km/h

Evening

Northern

25km/h

Night

Northern

28km/h

Dawn

Relative Humidity

93%

Morning

Relative Humidity

89%

Noon

Relative Humidity

83%

Afternoon

Relative Humidity

90%

Evening

Relative Humidity

91%

Night

Relative Humidity

86%

Dawn

Precipitation Probability

62%

Morning

Precipitation Probability

64%

Noon

Precipitation Probability

87%

Afternoon

Precipitation Probability

87%

Evening

Precipitation Probability

86%

Night

Precipitation Probability

83%

Dawn

Frost

Frost

-11°

Morning

Frost

Frost

-11°

Noon

Frost

Frost

-9°

Afternoon

Frost

Frost

-9°

Evening

Frost

Frost

-11°

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

North-west

28km/h

Morning

North-west

28km/h

Noon

North-west

27km/h

Afternoon

North-west

26km/h

Evening

North-west

19km/h

Night

North-west

16km/h

Dawn

Relative Humidity

81%

Morning

Relative Humidity

70%

Noon

Relative Humidity

63%

Afternoon

Relative Humidity

58%

Evening

Relative Humidity

66%

Night

Relative Humidity

61%

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

-17°

Morning

Frost

Frost

-15°

Noon

Frost

Frost

-10°

Afternoon

Frost

Frost

-9°

Evening

Chance for Light Snow

Chance for Light Snow

-9°

Night

Chance for Light Snow

Chance for Light Snow

-9°

Dawn

North-west

11km/h

Morning

North-west

4km/h

Noon

Southern

4km/h

Afternoon

Southeastern

9km/h

Evening

Eastern

11km/h

Night

Northeastern

10km/h

Dawn

Relative Humidity

64%

Morning

Relative Humidity

64%

Noon

Relative Humidity

65%

Afternoon

Relative Humidity

69%

Evening

Relative Humidity

77%

Night

Relative Humidity

81%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

40%

Evening

Precipitation Probability

40%

Night

Precipitation Probability

48%

Dawn

Chance for Light Snow

Chance for Light Snow

-8°

Morning

Frost

Frost

-6°

Noon

Frost

Frost

-1°

Afternoon

Frost

Frost

Evening

Scattered snow

Scattered snow

-2°

Night

Scattered snow

Scattered snow

-5°

Night Intermittent snow expected / Risk of slippery roads.

Intermittent snow expected / Risk of slippery roads.

Dawn

Northeastern

12km/h

Morning

Northeastern

13km/h

Noon

Northeastern

13km/h

Afternoon

Northern

15km/h

Evening

Northern

16km/h

Night

Northern

14km/h

Dawn

Relative Humidity

79%

Morning

Relative Humidity

72%

Noon

Relative Humidity

70%

Afternoon

Relative Humidity

66%

Evening

Relative Humidity

65%

Night

Relative Humidity

66%

Dawn

Precipitation Probability

48%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

43%

Evening

Precipitation Probability

61%

Night

Precipitation Probability

61%

Dawn

Frost

Frost

-8°

Morning

Very Cold

Very Cold

-8°

Noon

Frost

Frost

-7°

Afternoon

Frost

Frost

-7°

Evening

Frost

Frost

-9°

Night

Frost

Frost

-11°

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

13km/h

Morning

Northern

12km/h

Noon

Northern

10km/h

Afternoon

Northern

13km/h

Evening

Northern

14km/h

Night

Northern

14km/h

Dawn

Relative Humidity

61%

Morning

Relative Humidity

53%

Noon

Relative Humidity

60%

Afternoon

Relative Humidity

62%

Evening

Relative Humidity

63%

Night

Relative Humidity

61%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

0%

Night

Precipitation Probability

0%