LERNA, IL 62440 Weather Forecast & Current Conditions

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62440 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
MATTOON, IL Current Weather
12:53 PM CDT AUG 21, 2026
Clear 81°F
Feels Like:	82°F
Dewpoint:	63°F
Rel. Hum.:	54%
Visibility:	10 miles
Wind:	NNW at 8 mph
Pressure:	30.07 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)

62440 WEATHER FORECAST
10-Day model forecast maps 2026 Hurricanes	LERNA, IL 62440 Weather Forecast	Snowfall Forecast pages Snow Depth pages

THIS AFTERNOON
Sunny. Near steady temperature in the lower 80s. West winds around 5 mph.

TONIGHT
Mostly clear in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the mid 60s. Southwest winds around 5 mph. Chance of rain 50 percent.

SATURDAY
Sunny. Highs in the lower 80s. Northwest winds 10 to 15 mph.

SATURDAY NIGHT
Mostly clear. Lows in the upper 50s. Northwest winds 5 to 10 mph.

SUNDAY
Sunny. Highs around 80. Northwest winds 5 to 10 mph.

SUNDAY NIGHT THROUGH MONDAY NIGHT
Partly cloudy. Lows in the upper 50s. Highs in the upper 70s.

TUESDAY
Partly sunny. Highs in the lower 80s.

TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s.

WEDNESDAY
Partly sunny. Highs in the mid 80s.

WEDNESDAY NIGHT AND THURSDAY
Mostly clear. Lows in the mid 60s. Highs in the mid 80s.

62440 WEATHER SATELLITE LOOPS

Visible Weather Satellite
LERNA, IL 62440

Infrared Weather Satellite
LERNA, IL 62440

62440 WEATHER RADAR LOOP

NEXRAD Weather Radar
LERNA, IL 62440

MOS COMPUTER WEATHER FORECAST

MATTOON, IL 3 hourly weather forecast

weather forecast created 8:00 AM EDT 8/21/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

TIME
CDT

TEMP
(deg. F)

FEELS
LIKE

CLOUD
COVER

PRECIP
PROB.

THUNDER
PROB.

WIND
dir./mph

REL
HUM

DEWPT
(deg. F)

Friday
21 AUG 2026

1 PM

81°

82°

Clear

0% Thunder
( 6% severe)

WNW 3

51%

61°

High 83°

4 PM

82°

83°

Clear

WNW 5

51%

62°

Partly Cloudy

7 PM

78°

80°

Partly Cloudy

17%
RAIN
<.01 in

0% Thunder
( 30% severe)

CALM

64%

65°

10 PM

70°

Partly Cloudy

S 3

84%

65°

Saturday
22 AUG 2026

1 AM

68°

Partly Cloudy

23%
RAIN
<.01 in

0% Thunder
( 18% severe)

SSW 5

93%

66°

Low 65°

4 AM

66°

Mostly Cloudy

W 6

100%

66°

High 82°

7 AM

66°

Partly Cloudy

0% Thunder
( 2% severe)

W 8

100%

66°

Decreasing Clouds

10 AM

74°

Mostly Cloudy

NW 12

76%

66°

1 PM

80°

81°

Clear

0% Thunder
( 15% severe)

NW 13

56%

63°

4 PM

80°

81°

Clear

NNW 13

54%

62°

7 PM

76°

78°

Clear

0% Thunder
( 11% severe)

NW 9

62%

62°

10 PM

68°

Partly Cloudy

NW 6

84%

63°

Sunday
23 AUG 2026

1 AM

64°

Clear

0% Thunder
( 1% severe)

NW 6

93%

62°

Low 59°

4 AM

61°

Clear

NW 6

100%

61°

High 80°

7 AM

60°

Clear

0% Thunder
( 0% severe)

NW 6

96%

59°

Clear

10 AM

72°

Clear

NNW 7

66%

60°

1 PM

78°

79°

Clear

0% Thunder
( 1% severe)

NNW 8

48%

57°

4 PM

78°

79°

Partly Cloudy

NNW 9

45%

55°

7 PM

74°

Partly Cloudy

N 6

55%

57°


MATTOON, IL extended weather forecast
Monday 24 AUG 2026	Tuesday 25 AUG 2026	Wednesday 26 AUG 2026	Thursday 27 AUG 2026	Friday 28 AUG 2026
Low 62°	Low 65°	Low 67°	Low 63°	Low 64°
High 82°	High 82°	High 86°	High 83°	High 82°

Mostly Cloudy 20% Rain	Mostly Cloudy 28% Rain	Overcast 43% Rain	Partly Cloudy 26% Rain	Partly Cloudy 26% Rain