CASEY, IL 62420 Weather Forecast & Current Conditions

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MATTOON, IL
Current Weather

4:53 PM CDT OCT 13, 2025
Clear
75°F
Feels Like: 75°F
Dewpoint: 48°F
Rel. Hum.: 38%
Visibility: 10 miles
Wind: NNE at 3 mph
Pressure: 30.08 inches
Last 72 hours

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CASEY, IL 62420
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly clear. Lows in the lower 50s. Northeast winds around 5 mph.
TUESDAY
Sunny. Highs in the lower 80s. Northeast winds around 5 mph.
TUESDAY NIGHT
Mostly clear. Lows in the lower 50s. Northeast winds around 5 mph.
WEDNESDAY
Mostly sunny. Highs in the upper 70s. Northeast winds around 5 mph.
WEDNESDAY NIGHT
Partly cloudy. Lows in the lower 50s. Northeast winds around 5 mph.
THURSDAY AND THURSDAY NIGHT
Mostly clear. Highs in the mid 70s. Lows in the lower 50s.
FRIDAY
Partly sunny. Highs in the upper 70s.
FRIDAY NIGHT
Partly cloudy. Lows around 60.
SATURDAY
Partly sunny with a chance of showers in the morning, then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 60 percent.
SATURDAY NIGHT
A chance of thunderstorms in the evening. Showers likely. Lows in the lower 50s. Chance of rain 70 percent.
SUNDAY
Mostly sunny. A chance of showers in the morning. Highs in the upper 60s. Chance of rain 40 percent.
SUNDAY NIGHT AND MONDAY
Mostly clear. Lows in the lower 40s. Highs around 70.

Visible Weather Satellite
CASEY, IL 62420
Infrared Weather Satellite
CASEY, IL 62420
NEXRAD Weather Radar
CASEY, IL 62420

MATTOON, IL 3 hourly weather forecast

weather forecast created  8:00 AM EDT 10/13/2025
Monday
13 OCT 2025
CASEY, IL 62420 weather forecast Day 1, 12 hours 1 PM 73° 73° Mostly Cloudy 9%

0% Thunder
( 1% severe)
SE   3 40% 47°
High 76° CASEY, IL 62420 weather forecast Day 1, 15 hours 4 PM 75° 75° Partly Cloudy NE   3 37% 47°
Partly Cloudy



CASEY, IL 62420 weather forecast Day 1, 18 hours 7 PM 67° 67° Partly Cloudy 1%

0% Thunder
( 1% severe)
NE   3 52% 49°
CASEY, IL 62420 weather forecast Day 1, 21 hours 10 PM 61° 62° Partly Cloudy ENE   2 62% 48°
Tuesday
14 OCT 2025
CASEY, IL 62420 weather forecast Day 2, 0 hours 1 AM 59° 60° Partly Cloudy 2%

0% Thunder
( 1% severe)
NE   2 67% 48°
Low 53° CASEY, IL 62420 weather forecast Day 2, 3 hours 4 AM 56° 56° Partly Cloudy NE   3 74% 48°
High 80° CASEY, IL 62420 weather forecast Day 2, 6 hours 7 AM 54° 54° Clear 1%

0% Thunder
( 1% severe)
NE   3 80% 48°

Partly Cloudy



CASEY, IL 62420 weather forecast Day 2, 9 hours 10 AM 68° 68° Partly Cloudy ENE   5 53% 50°
CASEY, IL 62420 weather forecast Day 2, 12 hours 1 PM 77° 78° Partly Cloudy 1%

0% Thunder
( 1% severe)
NE   6 37% 49°
CASEY, IL 62420 weather forecast Day 2, 15 hours 4 PM 79° 79° Clear NNE   6 36% 50°
CASEY, IL 62420 weather forecast Day 2, 18 hours 7 PM 70° 70° Clear 0%

0% Thunder
( 1% severe)
NE   5 53% 52°
CASEY, IL 62420 weather forecast Day 2, 21 hours 10 PM 62° 62° Clear NE   6 72% 53°
Wednesday
15 OCT 2025
CASEY, IL 62420 weather forecast Day 3, 0 hours 1 AM 58° 57° Partly Cloudy 0%

0% Thunder
( 3% severe)
NE   6 83% 53°
Low 53° CASEY, IL 62420 weather forecast Day 3, 3 hours 4 AM 56° 55° Partly Cloudy NE   5 86% 52°
High 76° CASEY, IL 62420 weather forecast Day 3, 6 hours 7 AM 55° 54° Partly Cloudy 0%

0% Thunder
( 2% severe)
NE   5 86% 51°

Partly Cloudy



CASEY, IL 62420 weather forecast Day 3, 9 hours 10 AM 65° 65° Partly Cloudy NE   6 63% 52°
CASEY, IL 62420 weather forecast Day 3, 15 hours 1 PM 73° 73° Partly Cloudy 0%

0% Thunder
( 2% severe)
NE   6 46% 51°
CASEY, IL 62420 weather forecast Day 3, 18 hours 4 PM 75° 75° Partly Cloudy NNE   7 43% 51°
CASEY, IL 62420 weather forecast Day 3, 21 hours 7 PM 67° 67° Partly Cloudy     NE   6 59% 52°

MATTOON, IL extended weather forecast

Thursday
16 OCT 2025
Friday
17 OCT 2025
Saturday
18 OCT 2025
Sunday
19 OCT 2025
Monday
20 OCT 2025
Low 50° Low 52° Low 59° Low 50° Low 47°
High 71° High 79° High 72° High 64° High 69°
CASEY, IL 62420 weather forecast Day 4 CASEY, IL 62420 weather forecast Day 5 CASEY, IL 62420 weather forecast Day 6 CASEY, IL 62420 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Mostly Cloudy
16% Rain
Clear
19% Rain
Mostly Cloudy
55% Rain
Partly Cloudy
22% Rain
Clear
8% Rain
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