CHARLESTON, IL 61920 Weather Forecast & Current Conditions

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61920 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
MATTOON, IL Current Weather
3:53 PM CDT MAY 16, 2026
Scattered Clouds 73°F
Feels Like:	73°F
Dewpoint:	63°F
Rel. Hum.:	71%
Visibility:	10 miles
Wind:	S at 10 mph
Pressure:	29.91 inches
Last 72 hours
Local Area Snow Depth
Illinois Current Weather
Illinois MOS Forecast Weather

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(Automated weather data from NWS/FAA)

61920 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	CHARLESTON, IL 61920 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. South winds 5 to 10 mph. Chance of rain 40 percent.

SUNDAY
Sunny. Highs in the mid 80s. South winds 15 to 20 mph with gusts up to 30 mph.

SUNDAY NIGHT
Mostly clear. Lows in the mid 60s. South winds 10 to 15 mph with gusts up to 30 mph.

MONDAY
Partly sunny with a chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the mid 80s. South winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 70 percent.

MONDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 60s. South winds around 15 mph with gusts up to 30 mph. Chance of rain 40 percent.

TUESDAY
Partly sunny. A chance of showers and thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Highs in the mid 80s. Chance of rain 90 percent.

TUESDAY NIGHT
A chance of thunderstorms. Showers likely, mainly in the evening. Lows around 60. Chance of rain 70 percent.

WEDNESDAY THROUGH FRIDAY
Mostly cloudy. Highs in the upper 60s. Lows in the upper 40s.

FRIDAY NIGHT
Mostly cloudy. Lows in the mid 50s.

SATURDAY
Mostly sunny. Highs in the upper 70s.

61920 WEATHER SATELLITE LOOPS

Visible Weather Satellite
CHARLESTON, IL 61920

Infrared Weather Satellite
CHARLESTON, IL 61920

61920 WEATHER RADAR LOOP

NEXRAD Weather Radar
CHARLESTON, IL 61920

MOS COMPUTER WEATHER FORECAST

MATTOON, IL 3 hourly weather forecast

weather forecast created 8:00 AM EDT 5/16/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
16 MAY 2026

1 PM

75°

75°

Mostly Cloudy

44%
RAIN
***

0% Thunder
( 47% severe)

SSW 13

74%

66°

High 78°

4 PM

77°

79°

Mostly Cloudy

SSW 10

64%

64°

Mostly Cloudy

Chance of Rain

7 PM

74°

74°

Mostly Cloudy

17%
RAIN
<.01 in

0% Thunder
( 15% severe)

SSE 8

69%

63°

10 PM

68°

68°

Partly Cloudy

SSE 8

84%

63°

Sunday
17 MAY 2026

1 AM

66°

66°

Mostly Cloudy

9%

0% Thunder
( 19% severe)

SSE 9

87%

62°

Low 64°

4 AM

66°

66°

Mostly Cloudy

SSE 10

84%

61°

High 84°

7 AM

66°

66°

Mostly Cloudy

3%

0% Thunder
( 4% severe)

S 12

87%

62°

Decreasing Clouds

10 AM

76°

78°

Partly Cloudy

S 14

66%

64°

1 PM

82°

84°

Partly Cloudy

2%

0% Thunder
( 12% severe)

S 17

55%

64°

4 PM

84°

84°

Clear

S 18

46%

61°

7 PM

80°

81°

Clear

0%

0% Thunder
( 7% severe)

S 15

49%

59°

10 PM

73°

73°

Clear

S 15

57%

57°

Monday
18 MAY 2026

1 AM

71°

71°

Clear

2%

0% Thunder
( 10% severe)

S 15

59%

56°

Low 68°

4 AM

69°

69°

Partly Cloudy

S 15

63%

56°

High 84°

7 AM

70°

70°

Partly Cloudy

18%
RAIN
.01–.1 in

0% Thunder
( 21% severe)

S 16

68%

59°

Mostly Cloudy

Rain Likely

Breezy

10 AM

78°

80°

Partly Cloudy

S 20

64%

65°

1 PM

82°

85°

Mostly Cloudy

66%
RAIN
***

0% Thunder
( 55% severe)

S 21

61%

67°

4 PM

82°

84°

Mostly Cloudy

S 18

58%

66°

7 PM

79°

81°

Mostly Cloudy

S 16

62%

65°


MATTOON, IL extended weather forecast
Tuesday 19 MAY 2026	Wednesday 20 MAY 2026	Thursday 21 MAY 2026	Friday 22 MAY 2026	Saturday 23 MAY 2026
Low 70°	Low 60°	Low 48°	Low 51°	Low 52°
High 78°	High 67°	High 67°	High 71°	High 77°

Overcast 67% Rain	Overcast 74% Rain	Overcast 42% Rain	Partly Cloudy 26% Rain	Partly Cloudy 14% Rain

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