CHARLESTON, IL 61920 Weather Forecast & Current Conditions

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MATTOON, IL
Current Weather

2:53 AM CDT AUG 27, 2025
Clear
52°F
Feels Like: 52°F
Dewpoint: 48°F
Rel. Hum.: 86%
Visibility: 10 miles
Wind: Calm
Pressure: 30.26 inches
Last 72 hours

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CHARLESTON, IL 61920
Weather Forecast

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REST OF TONIGHT
Clear. Near steady temperature around 50. Light and variable winds.
WEDNESDAY
Sunny. Highs in the upper 70s. Light and variable winds, becoming southwest around 5 mph in the afternoon.
WEDNESDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 50s. South winds around 5 mph.
THURSDAY
Sunny. Highs in the lower 80s. Southwest winds 5 to 10 mph.
THURSDAY NIGHT
Mostly clear. Lows in the mid 50s. West winds around 5 mph, becoming northeast around 5 mph after midnight.
FRIDAY THROUGH SATURDAY
Mostly clear. Highs in the upper 70s. Lows around 50.
SATURDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s.
SUNDAY THROUGH TUESDAY
Mostly clear. Highs in the lower 80s. Lows in the lower 50s.

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  8/26/2025
Wednesday
27 AUG 2025
CHARLESTON, IL 61920 weather forecast Day 1, 0 hours 1 AM 55° 55° Clear 0%

0% Thunder
( 0% severe)
  CALM 80% 49°
Low 51° CHARLESTON, IL 61920 weather forecast Day 1, 3 hours 4 AM 52° 52° Clear WNW   1 86% 48°
High 77° CHARLESTON, IL 61920 weather forecast Day 1, 6 hours 7 AM 52° 52° Clear 0%

0% Thunder
( 0% severe)
  CALM 86% 48°

Partly Cloudy



CHARLESTON, IL 61920 weather forecast Day 1, 9 hours 10 AM 69° 69° Clear WSW   2 53% 51°
CHARLESTON, IL 61920 weather forecast Day 1, 12 hours 1 PM 74° 74° Partly Cloudy 0%

0% Thunder
( 1% severe)
WSW   3 43% 50°
CHARLESTON, IL 61920 weather forecast Day 1, 15 hours 4 PM 76° 78° Partly Cloudy WSW   5 40% 50°
CHARLESTON, IL 61920 weather forecast Day 1, 18 hours 7 PM 71° 71° Partly Cloudy 2%

0% Thunder
( 2% severe)
SSW   3 53% 53°
CHARLESTON, IL 61920 weather forecast Day 1, 21 hours 10 PM 62° 63° Partly Cloudy S   3 72% 53°
Thursday
28 AUG 2025
CHARLESTON, IL 61920 weather forecast Day 2, 0 hours 1 AM 59° 59° Partly Cloudy 2%

0% Thunder
( 1% severe)
S   5 78% 52°
Low 55° CHARLESTON, IL 61920 weather forecast Day 2, 3 hours 4 AM 57° 56° Partly Cloudy S   6 77% 50°
High 81° CHARLESTON, IL 61920 weather forecast Day 2, 6 hours 7 AM 57° 56° Partly Cloudy 1%

0% Thunder
( 1% severe)
SSW   6 80% 51°

Partly Cloudy



CHARLESTON, IL 61920 weather forecast Day 2, 9 hours 10 AM 71° 71° Partly Cloudy SW   8 55% 54°
CHARLESTON, IL 61920 weather forecast Day 2, 12 hours 1 PM 79° 79° Partly Cloudy 5%

0% Thunder
( 6% severe)
WSW   9 42% 54°
CHARLESTON, IL 61920 weather forecast Day 2, 15 hours 4 PM 80° 80° Partly Cloudy WSW   8 42% 55°
CHARLESTON, IL 61920 weather forecast Day 2, 18 hours 7 PM 74° 74° Partly Cloudy 3%

0% Thunder
( 5% severe)
WSW   5 55% 57°
CHARLESTON, IL 61920 weather forecast Day 2, 21 hours 10 PM 65° 65° Partly Cloudy W   5 78% 58°

MATTOON, IL extended weather forecast

Friday
29 AUG 2025
Saturday
30 AUG 2025
Sunday
31 AUG 2025
Monday
1 SEP 2025
Tuesday
2 SEP 2025
Low 58° Low 55° Low 54° Low 57° Low 59°
High 80° High 80° High 81° High 80° High 80°
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
Clear
11% Rain
Partly Cloudy
12% Rain
Partly Cloudy
13% Rain
Partly Cloudy
15% Rain
Partly Cloudy
35% Rain
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