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

Day

generally overcast with frost at early morning

Night

frost at dawn

-1°

Day

generally mostly cloudy with frost at morning

Night

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

-3°

Day

cold and partly cloudy

Night

mostly clear

Day

cold and scattered clouds

17°

Night

cold and clear

Day

generally partly cloudy with chance for light rain at afternoon

Night

chance for light rain at evening, frost from midnight

-2°

Day

frost till morning, snow showers at afternoon

Night

snow showers

-3°

Day

frost

-1°

Night

frost till midnight followed by chance for snow showers

-8°

Day

chance for snow showers

Night

chance for snow showers till midnight followed by frost

-3°

Day

frost till morning

Night

chance for rain showers at dawn

Dawn

Frost

Frost

-5°

Morning

Frost

Frost

-3°

Noon

Very Cold

Very Cold

Afternoon

Overcast

Overcast

Evening

Overcast

Overcast

Night

Very Cold

Very Cold

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

18km/h

Morning

Southern

24km/h

Noon

Southern

27km/h

Afternoon

Southern

24km/h

Evening

Southwestern

18km/h

Night

Western

20km/h

Dawn

Relative Humidity

66%

Morning

Relative Humidity

45%

Noon

Relative Humidity

33%

Afternoon

Relative Humidity

31%

Evening

Relative Humidity

44%

Night

Relative Humidity

71%

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

-1°

Morning

Frost

Frost

Noon

Very Cold

Very Cold

Afternoon

Scattered Clouds

Scattered Clouds

Evening

Very Cold

Very Cold

Night

Scattered snow

Scattered snow

-1°

Dawn

North-west

12km/h

Morning

North-west

11km/h

Noon

North-west

13km/h

Afternoon

Western

15km/h

Evening

North-west

6km/h

Night

North-west

9km/h

Dawn

Relative Humidity

89%

Morning

Relative Humidity

55%

Noon

Relative Humidity

42%

Afternoon

Relative Humidity

42%

Evening

Relative Humidity

67%

Night

Relative Humidity

71%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

0%

Night

Precipitation Probability

79%

Dawn

Frost

Frost

-3°

Morning

Very Cold

Very Cold

-1°

Noon

Very Cold

Very Cold

Afternoon

Scattered Clouds

Scattered Clouds

Evening

Very Cold

Very Cold

Night

Very Cold

Very Cold

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

Very cold weather expected / Make sure to stay warm.

Dawn

Northeastern

8km/h

Morning

Eastern

10km/h

Noon

Southeastern

10km/h

Afternoon

Southern

12km/h

Evening

Southwestern

10km/h

Night

Southwestern

11km/h

Dawn

Relative Humidity

61%

Morning

Relative Humidity

40%

Noon

Relative Humidity

34%

Afternoon

Relative Humidity

37%

Evening

Relative Humidity

78%

Night

Relative Humidity

90%

Dawn

Precipitation Probability

53%

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

Scattered Clouds

Scattered Clouds

15°

Afternoon

Scattered Clouds

Scattered Clouds

17°

Evening

Mostly Clear

Mostly Clear

12°

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

24km/h

Afternoon

Southwestern

26km/h

Evening

Southwestern

13km/h

Night

Western

12km/h

Dawn

Relative Humidity

92%

Morning

Relative Humidity

56%

Noon

Relative Humidity

31%

Afternoon

Relative Humidity

30%

Evening

Relative Humidity

58%

Night

Relative Humidity

80%

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

Mostly Cloudy

Mostly Cloudy

Afternoon

Partly Cloudy with  a chance for Light Rain

Partly Cloudy with a chance for Light Rain

Evening

Partly Cloudy with  a chance for Light Rain

Partly Cloudy with a chance for Light Rain

Night

Frost

Frost

Dawn

Northern

12km/h

Morning

Northeastern

16km/h

Noon

Eastern

16km/h

Afternoon

Eastern

17km/h

Evening

Northeastern

22km/h

Night

Northeastern

24km/h

Dawn

Relative Humidity

77%

Morning

Relative Humidity

48%

Noon

Relative Humidity

35%

Afternoon

Relative Humidity

39%

Evening

Relative Humidity

58%

Night

Relative Humidity

74%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

40%

Evening

Precipitation Probability

41%

Night

Precipitation Probability

0%

Dawn

Frost

Frost

-2°

Morning

Frost

Frost

-1°

Noon

Very Cold

Very Cold

Afternoon

Snowy

Snowy

Evening

Snowy

Snowy

-1°

Night

Snowy

Snowy

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

19km/h

Afternoon

Northeastern

19km/h

Evening

Eastern

17km/h

Night

Eastern

18km/h

Dawn

Relative Humidity

82%

Morning

Relative Humidity

57%

Noon

Relative Humidity

45%

Afternoon

Relative Humidity

41%

Evening

Relative Humidity

69%

Night

Relative Humidity

90%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

72%

Evening

Precipitation Probability

70%

Night

Precipitation Probability

69%

Dawn

Chance for Light Snow

Chance for Light Snow

-3°

Morning

Frost

Frost

-3°

Noon

Frost

Frost

-1°

Afternoon

Frost

Frost

-1°

Evening

Frost

Frost

-3°

Night

Partly Cloudy with chance for Snow Showers

Partly Cloudy with chance for Snow Showers

-8°

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 Chance of snow / Risk of slippery roads.

Chance of snow / Risk of slippery roads.

Dawn

Northeastern

15km/h

Morning

Eastern

15km/h

Noon

Eastern

16km/h

Afternoon

Eastern

17km/h

Evening

Eastern

18km/h

Night

Eastern

19km/h

Dawn

Relative Humidity

94%

Morning

Relative Humidity

82%

Noon

Relative Humidity

78%

Afternoon

Relative Humidity

75%

Evening

Relative Humidity

78%

Night

Relative Humidity

86%

Dawn

Precipitation Probability

58%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

0%

Night

Precipitation Probability

38%

Dawn

Mostly Cloudy  with chance for Snow Showers

Mostly Cloudy with chance for Snow Showers

-8°

Morning

Mostly Cloudy  with chance for Snow Showers

Mostly Cloudy with chance for Snow Showers

-5°

Noon

Chance for Light Snow

Chance for Light Snow

-1°

Afternoon

Chance for Light Snow

Chance for Light Snow

Evening

Chance for Light Snow

Chance for Light Snow

Night

Frost

Frost

-3°

Dawn

Eastern

18km/h

Morning

Southeastern

14km/h

Noon

Southern

8km/h

Afternoon

Western

12km/h

Evening

Northern

16km/h

Night

North-west

19km/h

Dawn

Relative Humidity

95%

Morning

Relative Humidity

95%

Noon

Relative Humidity

96%

Afternoon

Relative Humidity

96%

Evening

Relative Humidity

97%

Night

Relative Humidity

94%

Dawn

Precipitation Probability

38%

Morning

Precipitation Probability

33%

Noon

Precipitation Probability

33%

Afternoon

Precipitation Probability

35%

Evening

Precipitation Probability

35%

Night

Precipitation Probability

30%

Dawn

Frost

Frost

-2°

Morning

Frost

Frost

-1°

Noon

Very Cold

Very Cold

Afternoon

Very Cold

Very Cold

Evening

Very Cold

Very Cold

Night

Very Cold

Very Cold

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

Very cold weather expected / Make sure to stay warm.

Dawn

North-west

18km/h

Morning

Northern

15km/h

Noon

Northern

14km/h

Afternoon

Northern

11km/h

Evening

Northern

7km/h

Night

Northern

5km/h

Dawn

Relative Humidity

87%

Morning

Relative Humidity

61%

Noon

Relative Humidity

53%

Afternoon

Relative Humidity

50%

Evening

Relative Humidity

58%

Night

Relative Humidity

86%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

0%

Night

Precipitation Probability

0%