LERNA, IL 62440 Weather Forecast & Current Conditions

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62440 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
MATTOON, IL Current Weather
11:53 AM CDT AUG 18, 2026
Scattered Clouds 79°F
Feels Like:	81°F
Dewpoint:	64°F
Rel. Hum.:	60%
Visibility:	10 miles
Wind:	Variable at 5 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
Mostly sunny. Near steady temperature around 80. Southwest winds around 5 mph.

TONIGHT
Partly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Southwest winds around 5 mph. Chance of rain 30 percent.

WEDNESDAY
Mostly cloudy with a chance of thunderstorms. Showers likely, mainly in the morning. Highs in the upper 70s. West winds around 5 mph. Chance of rain 70 percent.

WEDNESDAY NIGHT
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the lower 60s. Northeast winds around 5 mph. Chance of rain 40 percent.

THURSDAY
Mostly sunny. Highs in the lower 80s. Northeast winds around 5 mph.

THURSDAY NIGHT THROUGH SUNDAY
Mostly clear. Lows in the lower 60s. Highs in the lower 80s.

SUNDAY NIGHT AND MONDAY
Partly cloudy. Lows around 60. Highs in the lower 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 8/18/2026

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)

Tuesday
18 AUG 2026

1 PM

79°

81°

Partly Cloudy

0% Thunder
( 2% severe)

WSW 5

60%

64°

High 82°

4 PM

81°

83°

Partly Cloudy

SW 6

58%

65°

Partly Cloudy

7 PM

77°

79°

Partly Cloudy

0% Thunder
( 10% severe)

SSW 5

71%

67°

10 PM

71°

Partly Cloudy

S 5

84%

66°

Wednesday
19 AUG 2026

1 AM

69°

Clear

23%
RAIN
.1–.25 in

0% Thunder
( 17% severe)

SSW 5

90%

66°

Low 67°

4 AM

68°

Mostly Cloudy

SW 5

93%

66°

High 79°

7 AM

68°

Mostly Cloudy

37%
RAIN
1–2 in

0% Thunder
( 18% severe)

WSW 5

93%

66°

Mostly Cloudy

Chance of Rain

10 AM

72°

Mostly Cloudy

W 6

87%

68°

1 PM

76°

77°

Mostly Cloudy

36%
RAIN
.25–.5 in

0% Thunder
( 27% severe)

SW 5

79%

69°

4 PM

77°

79°

Mostly Cloudy

W 5

76%

69°

7 PM

75°

Mostly Cloudy

28%
RAIN
***

0% Thunder
( 21% severe)

NNW 5

79%

68°

10 PM

69°

Partly Cloudy

NNE 2

97%

68°

Thursday
20 AUG 2026

1 AM

67°

Partly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 7% severe)

NNE 3

100%

67°

Low 64°

4 AM

66°

Mostly Cloudy

NNE 5

100%

66°

High 80°

7 AM

65°

Partly Cloudy

0% Thunder
( 4% severe)

NNE 6

100%

65°

Partly Cloudy

10 AM

72°

Partly Cloudy

NE 7

81%

66°

1 PM

77°

79°

Partly Cloudy

0% Thunder
( 7% severe)

NE 6

69%

66°

4 PM

79°

81°

Partly Cloudy

NE 6

62%

65°

7 PM

75°

Partly Cloudy

NE 6

74%

66°


MATTOON, IL extended weather forecast
Friday 21 AUG 2026	Saturday 22 AUG 2026	Sunday 23 AUG 2026	Monday 24 AUG 2026	Tuesday 25 AUG 2026
Low 62°	Low 65°	Low 63°	Low 60°	Low 64°
High 84°	High 85°	High 81°	High 84°	High 84°

Partly Cloudy 9% Rain	Partly Cloudy 24% Rain	Clear 14% Rain	Clear 15% Rain	Partly Cloudy 23% Rain

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LERNA, IL 62440 Weather Forecast & Current Conditions

MATTOON, IL Current Weather

LERNA, IL 62440 Weather Forecast

MATTOON, IL 3 hourly weather forecast

MATTOON, IL extended weather forecast

MATTOON, IL
Current Weather

LERNA, IL 62440
Weather Forecast