CASEY, IL 62420 Weather Forecast & Current Conditions

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62420 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
MATTOON, IL Current Weather
12:53 AM CDT JUN 9, 2026
Few Clouds 73°F
Feels Like:	73°F
Dewpoint:	72°F
Rel. Hum.:	97%
Visibility:	9 miles
Wind:	S at 8 mph
Pressure:	29.97 inches
Last 72 hours
Local Area Snow Depth
Illinois Current Weather
Illinois MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

62420 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	CASEY, IL 62420 Weather Forecast	Snowfall Forecast pages Snow Depth pages

REST OF TONIGHT
Mostly cloudy with a chance of showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Lows in the upper 60s. South winds around 5 mph with gusts up to 20 mph. Chance of rain 50 percent.

TUESDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the morning. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 40 percent.

TUESDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of rain 40 percent.

WEDNESDAY
Sunny with highs in the lower 90s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 101.

WEDNESDAY NIGHT
Mostly clear. Humid with lows in the mid 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph.

THURSDAY
Sunny. Highs in the lower 90s. Heat index values up to 100.

THURSDAY NIGHT
Becoming mostly cloudy after midnight. A chance of thunderstorms. Showers likely, mainly in the evening. Lows around 70. Chance of rain 70 percent.

FRIDAY
Mostly sunny. Highs in the mid 80s.

FRIDAY NIGHT AND SATURDAY
Mostly clear. Lows in the lower 60s. Highs in the mid 80s.

SATURDAY NIGHT
Partly cloudy. Lows in the mid 60s.

SUNDAY AND SUNDAY NIGHT
Partly cloudy. A chance of showers. Highs in the lower 80s. Lows in the lower 60s. Chance of rain 40 percent.

MONDAY
Mostly sunny. Highs in the upper 70s.

62420 WEATHER SATELLITE LOOPS

Visible Weather Satellite
CASEY, IL 62420

Infrared Weather Satellite
CASEY, IL 62420

62420 WEATHER RADAR LOOP

NEXRAD Weather Radar
CASEY, IL 62420

MOS COMPUTER WEATHER FORECAST

MATTOON, IL 3 hourly weather forecast

weather forecast created 8:00 PM EDT 6/ 8/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
9 JUN 2026

1 AM

71°

71°

Mostly Cloudy

55%
RAIN
***

0% Thunder
( 34% severe)

S 10

93%

69°

Low 70°

4 AM

71°

71°

Mostly Cloudy

SSW 9

93%

69°

High 87°

7 AM

72°

72°

Mostly Cloudy

25%
RAIN
.25–.5 in

0% Thunder
( 22% severe)

SSW 9

93%

70°

Mostly Cloudy

Chance of Rain

10 AM

78°

80°

Mostly Cloudy

SW 10

85%

73°

1 PM

83°

90°

Mostly Cloudy

22%
RAIN
<.01 in

0% Thunder
( 44% severe)

SW 10

77%

75°

4 PM

86°

94°

Partly Cloudy

SW 12

68%

74°

7 PM

85°

93°

Partly Cloudy

31%
RAIN
.5–1 in

0% Thunder
( 39% severe)

SW 7

72%

75°

10 PM

78°

80°

Partly Cloudy

SSW 7

85%

73°

Wednesday
10 JUN 2026

1 AM

75°

75°

Partly Cloudy

16%
RAIN
.25–.5 in

0% Thunder
( 19% severe)

SSW 8

90%

72°

Low 72°

4 AM

74°

74°

Partly Cloudy

SSW 9

90%

71°

High 90°

7 AM

76°

76°

Partly Cloudy

0%

0% Thunder
( 8% severe)

SSW 10

87%

72°

Partly Cloudy

10 AM

84°

91°

Partly Cloudy

SW 13

72%

74°

1 PM

88°

97°

Partly Cloudy

2%

0% Thunder
( 41% severe)

SSW 14

63%

74°

4 PM

90°

98°

Partly Cloudy

SSW 15

56%

72°

7 PM

87°

93°

Partly Cloudy

25%
RAIN
.25–.5 in

0% Thunder
( 28% severe)

SSW 15

61%

72°

10 PM

81°

84°

Partly Cloudy

SSW 14

69%

70°


MATTOON, IL extended weather forecast
Thursday 11 JUN 2026	Friday 12 JUN 2026	Saturday 13 JUN 2026	Sunday 14 JUN 2026	Monday 15 JUN 2026
Low 74°	Low 65°	Low 60°	Low 62°	Low 61°
High 95°	High 81°	High 83°	High 77°	High 79°

Partly Cloudy 35% Rain	Partly Cloudy 60% Rain	Partly Cloudy 11% Rain	Overcast 56% Rain	Overcast 51% Rain

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