LERNA, IL 62440 Weather Forecast & Current Conditions

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62440 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
MATTOON, IL Current Weather
10:53 AM CDT AUG 12, 2026
Few Clouds 84°F
Feels Like:	92°F
Dewpoint:	75°F
Rel. Hum.:	74%
Visibility:	10 miles
Wind:	WSW at 9 mph
Pressure:	29.88 inches
Last 72 hours
Local Area Snow Depth
Illinois Current Weather
Illinois MOS Forecast Weather

Weather Map

(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

REST OF TODAY
Partly sunny with a slight chance of showers and thunderstorms late this morning, then mostly cloudy with showers and thunderstorms likely this afternoon. Highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 60 percent. Heat index values up to 100.

TONIGHT
Mostly cloudy with a chance of showers and thunderstorms. Humid with lows around 70. Southeast winds 5 to 10 mph. Chance of rain 40 percent.

THURSDAY
Mostly cloudy. A chance of showers and thunderstorms, mainly in the morning. Humid with highs in the mid 80s. Southeast winds around 5 mph. Chance of rain 30 percent.

THURSDAY NIGHT
Showers likely with a chance of thunderstorms. Humid with lows in the lower 70s. East winds around 5 mph. Chance of rain 70 percent.

FRIDAY
Partly sunny. Humid with highs in the upper 80s. East winds around 5 mph. Heat index values up to 103 in the afternoon.

FRIDAY NIGHT AND SATURDAY
Partly cloudy. Lows in the lower 70s. Highs in the lower 90s.

SATURDAY NIGHT AND SUNDAY
Mostly clear. Lows in the mid 70s. Highs in the lower 90s.

SUNDAY NIGHT
Partly cloudy. A chance of showers after midnight. Lows around 70. Chance of rain 30 percent.

MONDAY
Mostly sunny. Highs in the lower 80s.

MONDAY NIGHT AND TUESDAY
Mostly clear. Lows in the mid 60s. 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 PM EDT 8/11/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
12 AUG 2026

1 AM

75°

75°

Partly Cloudy

21%
RAIN
.5–1 in

0% Thunder
( 33% severe)

SSW 8

90%

72°

Low 72°

4 AM

73°

73°

Partly Cloudy

SSW 9

93%

71°

High 87°

7 AM

73°

73°

Partly Cloudy

39%
RAIN
***

0% Thunder
( 21% severe)

S 8

90%

70°

Mostly Cloudy

Chance of Rain

10 AM

81°

86°

Mostly Cloudy

SW 8

77%

73°

1 PM

84°

92°

Mostly Cloudy

38%
RAIN
***

0% Thunder
( 38% severe)

SW 9

74%

75°

4 PM

85°

93°

Mostly Cloudy

E 8

72%

75°

7 PM

82°

89°

Partly Cloudy

25%
RAIN
.5–1 in

0% Thunder
( 38% severe)

SE 6

79%

75°

10 PM

75°

75°

Partly Cloudy

S 6

94%

73°

Thursday
13 AUG 2026

1 AM

73°

73°

Mostly Cloudy

47%
RAIN
***

0% Thunder
( 28% severe)

SSE 6

100%

73°

Low 71°

4 AM

72°

72°

Mostly Cloudy

ESE 7

100%

72°

High 86°

7 AM

73°

73°

Mostly Cloudy

33%
RAIN
1–2 in

0% Thunder
( 20% severe)

SE 7

93%

71°

Mostly Cloudy

Chance of Rain

10 AM

79°

83°

Mostly Cloudy

S 7

85%

74°

1 PM

83°

90°

Mostly Cloudy

20%
RAIN
<.01 in

0% Thunder
( 22% severe)

S 7

77%

75°

4 PM

86°

96°

Mostly Cloudy

S 7

72%

76°

7 PM

83°

92°

Mostly Cloudy

40%
RAIN
.01–.1 in

0% Thunder
( 32% severe)

S 6

82%

77°

10 PM

76°

76°

Partly Cloudy

ESE 7

94%

74°


MATTOON, IL extended weather forecast
Friday 14 AUG 2026	Saturday 15 AUG 2026	Sunday 16 AUG 2026	Monday 17 AUG 2026	Tuesday 18 AUG 2026
Low 72°	Low 73°	Low 70°	Low 68°	Low 64°
High 93°	High 99°	High 92°	High 85°	High 85°

Mostly Cloudy 46% Rain	Partly Cloudy 20% Rain	Partly Cloudy 23% Rain	Mostly Cloudy 50% Rain	Partly Cloudy 23% Rain

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