Current Weather Forecast for Castleton

IL 61426  |   4:00pm

Weather Conditions

86°

Feels Like 90°

Partly Cloudy

65° 87°

5

UV Index

Moderate

Air Quality

S 5 mph

Wind

0 in

rain

Tonight

Mon 7/14

67°

Lowest Temperature

8%

Mainly clear skies. Low 67F. Winds light and variable.

Tomorrow

Tue 7/15

87°

Highest Temperature

15%

Intervals of clouds and sunshine. A stray shower or thunderstorm is possible. High 87F. Winds SSE at 5 to 10 mph.

Tomorrow night

Tue 7/15

71°

Lowest Temperature

22%

A few clouds. Slight chance of a rain shower. Low 71F. Winds light and variable.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Castleton

Hourly Weather Forecast & Temperature

5PM

1%

86°

Feels Like 89°

Mostly Sunny

SW 4 mph

Wind

1016 mb

Pressure

52%

Humidity

3

UV Index

10mi

Visibility

24%

Cloud Cover

6PM

1%

85°

Feels Like 88°

Mostly Sunny

WSW 3 mph

Wind

1015 mb

Pressure

54%

Humidity

1

UV Index

10mi

Visibility

22%

Cloud Cover

7PM

1%

83°

Feels Like 86°

Sunny

S 2 mph

Wind

1016 mb

Pressure

56%

Humidity

0

UV Index

10mi

Visibility

13%

Cloud Cover

8PM

2%

80°

Feels Like 83°

Sunny

ESE 1 mph

Wind

1016 mb

Pressure

68%

Humidity

0

UV Index

10mi

Visibility

9%

Cloud Cover

9PM

2%

75°

Feels Like 75°

Clear

E 1 mph

Wind

1016 mb

Pressure

76%

Humidity

0

UV Index

10mi

Visibility

14%

Cloud Cover

10PM

2%

72°

Feels Like 72°

Clear

E 2 mph

Wind

1016 mb

Pressure

82%

Humidity

0

UV Index

10mi

Visibility

19%

Cloud Cover

11PM

6%

72°

Feels Like 74°

Clear

E 2 mph

Wind

1016 mb

Pressure

84%

Humidity

0

UV Index

10mi

Visibility

11%

Cloud Cover

12AM

5%

71°

Feels Like 72°

Clear

ESE 2 mph

Wind

1016 mb

Pressure

85%

Humidity

0

UV Index

10mi

Visibility

11%

Cloud Cover

1AM

5%

70°

Feels Like 71°

Clear

ESE 2 mph

Wind

1017 mb

Pressure

87%

Humidity

0

UV Index

10mi

Visibility

9%

Cloud Cover

2AM

6%

69°

Feels Like 71°

Clear

ESE 1 mph

Wind

1017 mb

Pressure

90%

Humidity

0

UV Index

10mi

Visibility

9%

Cloud Cover

3AM

6%

69°

Feels Like 71°

Clear

ESE 1 mph

Wind

1017 mb

Pressure

91%

Humidity

0

UV Index

10mi

Visibility

9%

Cloud Cover

4AM

7%

69°

Feels Like 70°

Clear

E 1 mph

Wind

1016 mb

Pressure

91%

Humidity

0

UV Index

10mi

Visibility

17%

Cloud Cover

Mon 7/14

Mon

8%

65°

87°

Mostly clear. Lows overnight in the upper 60s.

90°

Feels Like

ESE 5 mph

Wind

76%

Humidity

0

UV Index

5:38 AM

Sunrise

8:30 PM

Sunset

Tue 7/15

Tue

15%

67°

87°

Mix of sun and clouds. Highs in the upper 80s and lows in the low 70s.

93°

Feels Like

SSE 6 mph

Wind

71%

Humidity

9

UV Index

5:39 AM

Sunrise

8:29 PM

Sunset

Wed 7/16

Wed

24%

71°

89°

Mix of sun and clouds. Highs in the upper 80s and lows in the upper 60s.

96°

Feels Like

SW 9 mph

Wind

73%

Humidity

7

UV Index

5:40 AM

Sunrise

8:29 PM

Sunset

Thu 7/17

Thu

52%

64°

77°

Thunderstorms developing in the afternoon. Highs in the upper 70s and lows in the low 60s.

80°

Feels Like

NNW 8 mph

Wind

82%

Humidity

4

UV Index

5:41 AM

Sunrise

8:28 PM

Sunset

Fri 7/18

Fri

10%

61°

80°

Mix of sun and clouds. Highs in the low 80s and lows in the upper 60s.

82°

Feels Like

E 5 mph

Wind

72%

Humidity

7

UV Index

5:41 AM

Sunrise

8:27 PM

Sunset

Sat 7/19

Sat

62%

67°

82°

Thunderstorms. Highs in the low 80s and lows in the upper 60s.

87°

Feels Like

SSW 8 mph

Wind

83%

Humidity

7

UV Index

5:42 AM

Sunrise

8:27 PM

Sunset

Sun 7/20

Sun

55%

69°

85°

Thunderstorms early. Highs in the mid 80s and lows in the upper 60s.

90°

Feels Like

S 6 mph

Wind

79%

Humidity

8

UV Index

5:43 AM

Sunrise

8:26 PM

Sunset

Mon 7/21

Mon

47%

69°

87°

A few thunderstorms possible. Highs in the upper 80s and lows in the low 70s.

94°

Feels Like

SSE 8 mph

Wind

75%

Humidity

8

UV Index

5:44 AM

Sunrise

8:25 PM

Sunset

Need to see beyond 12 Hours?

Find more forecast on the FREE FOX WEATHER App

GO TO APP STORE

Latest Stories from Illinois

Air quality drops as Canadian wildfire smoke returns to Upper Midwest

Unhealthy air has invaded Minnesota, Wisconsin and North Dakota early this week as a new round of wildfire smoke from Canada has wafted into the region, choking out areas as far south as Chicago and Detroit.

Severe thunderstorms bring 70+ mph winds, Flash Flood Emergency to Iowa

Severe thunderstorms rolled across the Midwest Friday, bringing rounds of damaging wind gusts, torrential rains and even a few reported tornadoes.

What’s behind all the recent extreme flooding?

Recent flash flooding events have claimed lives and damaged property in Texas, North Carolina, Illinois and New Mexico. While all extreme weather events have been associated with their own triggering mechanisms, there are some similarities between the incidents.

2025 severe weather season still busiest in more than a decade

The 2025 spring tornado season was one of the most active in over a decade, with over 900 tornado reports. Several intense outbreaks occurred, including five EF4 twisters. Despite the activity, no EF5 tornadoes were reported, continuing a 12-year streak.

Load More Stories