CHARLESTON, IL 61920 Weather Forecast & Current Conditions

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MATTOON, IL
Current Weather

12:53 AM CDT JUL 12, 2025
Clear
81°F
Feels Like: 86°F
Dewpoint: 73°F
Rel. Hum.: 77%
Visibility: 10 miles
Wind: S at 10 mph, gusts to 21
Pressure: 29.88 inches
Last 72 hours

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CHARLESTON, IL 61920
Weather Forecast

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Snow Depth pages
REST OF TONIGHT
Mostly clear early this evening, then becoming partly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 70s. South winds 5 to 10 mph. Chance of rain 20 percent.
SATURDAY
Partly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. Southwest winds 10 to 15 mph. Chance of rain 50 percent.
SATURDAY NIGHT
Partly cloudy. A slight chance of showers and thunderstorms in the evening. Humid with lows in the upper 60s. West winds 5 to 10 mph. Chance of rain 20 percent.
SUNDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Northwest winds around 5 mph. Chance of rain 30 percent.
SUNDAY NIGHT
Partly cloudy. Lows in the upper 60s. North winds around 5 mph in the evening, becoming light and variable.
MONDAY
Mostly sunny. Highs in the upper 80s.
MONDAY NIGHT
Mostly cloudy. Lows around 70.
TUESDAY AND TUESDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms. Highs in the upper 80s. Lows in the lower 70s. Chance of rain 40 percent.
WEDNESDAY
Partly sunny with a chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 80s. Chance of rain 60 percent.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows around 70. Highs in the upper 80s. Chance of rain 50 percent.
FRIDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent.

Visible Weather Satellite
CHARLESTON, IL 61920
Infrared Weather Satellite
CHARLESTON, IL 61920
NEXRAD Weather Radar
CHARLESTON, IL 61920

MATTOON, IL 3 hourly weather forecast

weather forecast created  8:00 PM EDT  7/11/2025
Saturday
12 JUL 2025
CHARLESTON, IL 61920 weather forecast Day 1, 0 hours 1 AM 78° 80° Partly Cloudy 32%
RAIN
.25–.5 in
0% Thunder
( 19% severe)
SSW   9 82% 72°
Low 74° CHARLESTON, IL 61920 weather forecast Day 1, 3 hours 4 AM 75° 75° Partly Cloudy S   9 87% 71°
High 85° CHARLESTON, IL 61920 weather forecast Day 1, 6 hours 7 AM 75° 75° Partly Cloudy 24%
RAIN
<.01 in
0% Thunder
( 26% severe)
SSW   9 87% 71°

Partly Cloudy

Rain Likely

CHARLESTON, IL 61920 weather forecast Day 1, 9 hours 10 AM 81° 85° Partly Cloudy SW   13 74% 72°
CHARLESTON, IL 61920 weather forecast Day 1, 12 hours 1 PM 83° 88° Mostly Cloudy 51%
RAIN
***
0% Thunder
( 44% severe)
WSW   13 70% 72°
CHARLESTON, IL 61920 weather forecast Day 1, 15 hours 4 PM 81° 85° Partly Cloudy WSW   12 74% 72°
CHARLESTON, IL 61920 weather forecast Day 1, 18 hours 7 PM 80° 83° Partly Cloudy 9%

0% Thunder
( 11% severe)
W   8 74% 71°
CHARLESTON, IL 61920 weather forecast Day 1, 21 hours 10 PM 75° 75° Partly Cloudy W   6 87% 71°
Sunday
13 JUL 2025
CHARLESTON, IL 61920 weather forecast Day 2, 0 hours 1 AM 73° 73° Partly Cloudy 6%

0% Thunder
( 6% severe)
W   5 90% 70°
Low 69° CHARLESTON, IL 61920 weather forecast Day 2, 3 hours 4 AM 71° 71° Partly Cloudy NW   5 93% 69°
High 84° CHARLESTON, IL 61920 weather forecast Day 2, 6 hours 7 AM 70° 70° Partly Cloudy 7%

0% Thunder
( 6% severe)
N   3 93% 68°

Partly Cloudy



CHARLESTON, IL 61920 weather forecast Day 2, 9 hours 10 AM 78° 80° Partly Cloudy NNW   3 69% 67°
CHARLESTON, IL 61920 weather forecast Day 2, 12 hours 1 PM 81° 83° Partly Cloudy 15%
RAIN
<.01 in
0% Thunder
( 18% severe)
W   6 60% 66°
CHARLESTON, IL 61920 weather forecast Day 2, 15 hours 4 PM 82° 84° Partly Cloudy W   6 58% 66°
CHARLESTON, IL 61920 weather forecast Day 2, 18 hours 7 PM 79° 81° Partly Cloudy 9%

0% Thunder
( 13% severe)
WNW   3 64% 66°
CHARLESTON, IL 61920 weather forecast Day 2, 21 hours 10 PM 72° 72° Partly Cloudy N   1 84% 67°

MATTOON, IL extended weather forecast

BAD DAY
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Low 69° Low 67° Low 71° Low 70° Low 71°
High 82° High 87° High 88° High 87° High 87°
CHARLESTON, IL 61920 weather forecast Day 3 CHARLESTON, IL 61920 weather forecast Day 4 CHARLESTON, IL 61920 weather forecast Day 5 CHARLESTON, IL 61920 weather forecast Day 6 CHARLESTON, IL 61920 weather forecast Day 7
Overcast
67% Rain
Partly Cloudy
24% Rain
Mostly Cloudy
56% Rain
Overcast
61% Rain
Overcast
45% Rain
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