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 15, 2026
Broken Clouds 75°F
Feels Like:	75°F
Dewpoint:	73°F
Rel. Hum.:	94%
Visibility:	10 miles
Wind:	SE at 8 mph
Pressure:	30.11 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

THIS AFTERNOON
Showers likely with a chance of thunderstorms. Highs in the mid 80s. South winds around 5 mph. Chance of rain 70 percent.

TONIGHT
Partly cloudy. A chance of showers and thunderstorms after midnight. Humid with lows in the mid 70s. South winds around 5 mph. Chance of rain 30 percent.

SUNDAY
Partly sunny. A slight chance of showers and thunderstorms in the morning. Humid with highs in the upper 80s. West winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 101.

SUNDAY NIGHT
Partly cloudy. Humid with lows in the upper 60s. Northwest winds 5 to 10 mph.

MONDAY
Mostly sunny. Highs in the mid 80s. North winds around 5 mph.

MONDAY NIGHT
Partly cloudy. Lows in the lower 60s.

TUESDAY
Sunny. Highs in the mid 80s.

TUESDAY NIGHT
Mostly clear in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 40 percent.

WEDNESDAY
Partly sunny. A chance of showers and thunderstorms in the morning. Highs in the mid 80s. Chance of rain 40 percent.

WEDNESDAY NIGHT THROUGH FRIDAY
Partly cloudy. Lows in the lower 60s. Highs in the upper 70s.

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 8/14/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
15 AUG 2026

1 AM

76°

75°

Partly Cloudy

48%
RAIN
<.01 in

0% Thunder
( 23% severe)

ESE 6

97%

75°

Low 75°

4 AM

76°

75°

Mostly Cloudy

SE 7

97%

75°

High 90°

7 AM

77°

78°

Mostly Cloudy

49%
RAIN
***

0% Thunder
( 21% severe)

W 7

94%

75°

Mostly Cloudy

Chance of Rain

10 AM

84°

92°

Mostly Cloudy

SW 8

74%

75°

1 PM

86°

95°

Mostly Cloudy

19%
RAIN
<.01 in

0% Thunder
( 18% severe)

SSW 8

70%

75°

4 PM

88°

98°

Mostly Cloudy

SW 8

66%

75°

7 PM

85°

95°

Mostly Cloudy

7%

0% Thunder
( 21% severe)

SW 7

75%

76°

10 PM

79°

83°

Partly Cloudy

S 6

85%

74°

Sunday
16 AUG 2026

1 AM

78°

80°

Partly Cloudy

20%
RAIN
***

0% Thunder
( 16% severe)

W 6

88%

74°

Low 75°

4 AM

77°

78°

Partly Cloudy

WSW 8

87%

73°

High 90°

7 AM

77°

78°

Mostly Cloudy

17%
RAIN
<.01 in

0% Thunder
( 14% severe)

W 8

85%

72°

Mostly Cloudy

10 AM

85°

93°

Mostly Cloudy

W 8

70%

74°

1 PM

88°

97°

Mostly Cloudy

9%

0% Thunder
( 29% severe)

W 9

63%

74°

4 PM

88°

97°

Partly Cloudy

WNW 10

63%

74°

7 PM

83°

90°

Partly Cloudy

15%
RAIN
.01–.1 in

0% Thunder
( 25% severe)

NW 8

74%

74°

10 PM

76°

76°

Mostly Cloudy

NNW 7

94%

74°


MATTOON, IL extended weather forecast
Monday 17 AUG 2026	Tuesday 18 AUG 2026	Wednesday 19 AUG 2026	Thursday 20 AUG 2026	Friday 21 AUG 2026
Low 68°	Low 62°	Low 65°	Low 63°	Low 62°
High 84°	High 84°	High 84°	High 79°	High 82°

Partly Cloudy 32% Rain	Clear 6% Rain	Partly Cloudy 59% Rain	Overcast 41% Rain	Overcast 36% Rain

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