LERNA, IL 62440 Weather Forecast & Current Conditions

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MATTOON, IL
Current Weather

11:53 AM CDT MAY 13, 2026
Broken Clouds
66°F
Feels Like: 66°F
Dewpoint: 45°F
Rel. Hum.: 47%
Visibility: 10 miles
Wind: NW at 15 mph, gusts to 30
Pressure: 29.99 inches
Last 72 hours

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LERNA, IL 62440
Weather Forecast

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Snow Depth pages
THIS AFTERNOON
Partly sunny and cooler. Near steady temperature in the upper 60s. Northwest winds 15 to 20 mph.
TONIGHT
Mostly clear. Cooler with lows in the lower 40s. North winds 10 to 15 mph with gusts up to 25 mph, diminishing to around 5 mph after midnight.
THURSDAY
Sunny. Highs in the upper 60s. Northwest winds around 5 mph.
THURSDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows around 50. Southeast winds 5 to 10 mph.
FRIDAY
Showers likely with a chance of thunderstorms in the morning, then partly sunny in the afternoon. Highs in the mid 70s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 60 percent.
FRIDAY NIGHT
Partly cloudy. Not as cool with lows in the lower 60s.
SATURDAY
Mostly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 50 percent.
SATURDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 60s. Chance of rain 50 percent.
SUNDAY AND SUNDAY NIGHT
Partly cloudy. Highs in the mid 80s. Lows in the upper 60s.
MONDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Breezy with highs in the upper 80s. Chance of rain 40 percent.
MONDAY NIGHT
Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 60s. Chance of rain 60 percent.
TUESDAY
Partly sunny with a chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 70 percent.

Visible Weather Satellite
LERNA, IL 62440
Infrared Weather Satellite
LERNA, IL 62440
NEXRAD Weather Radar
LERNA, IL 62440

MATTOON, IL 3 hourly weather forecast

weather forecast created  8:00 AM EDT  5/13/2026
Wednesday
13 MAY 2026
LERNA, IL 62440 weather forecast Day 1, 12 hours 1 PM 66° 66° Partly Cloudy 0%

0% Thunder
( 1% severe)
NNW   16 45% 44°
High 68° LERNA, IL 62440 weather forecast Day 1, 15 hours 4 PM 67° 67° Partly Cloudy NNW   16 40% 42°
Partly Cloudy



LERNA, IL 62440 weather forecast Day 1, 18 hours 7 PM 63° 61° Clear 0%

0% Thunder
( 1% severe)
N   14 41% 39°
LERNA, IL 62440 weather forecast Day 1, 21 hours 10 PM 55° 53° Clear N   7 55% 39°
Thursday
14 MAY 2026
LERNA, IL 62440 weather forecast Day 2, 0 hours 1 AM 49° 48° Clear 0%

0% Thunder
( 0% severe)
NNE   3 66% 38°
Low 45° LERNA, IL 62440 weather forecast Day 2, 3 hours 4 AM 46° 45° Clear   CALM 73% 38°
High 70° LERNA, IL 62440 weather forecast Day 2, 6 hours 7 AM 47° 46° Clear 0%

0% Thunder
( 0% severe)
NW   3 74% 39°

Clear



LERNA, IL 62440 weather forecast Day 2, 9 hours 10 AM 59° 59° Clear N   5 47% 39°
LERNA, IL 62440 weather forecast Day 2, 12 hours 1 PM 66° 66° Clear 0%

0% Thunder
( 1% severe)
NNW   2 36% 38°
LERNA, IL 62440 weather forecast Day 2, 15 hours 4 PM 69° 69° Clear   CALM 31% 37°
LERNA, IL 62440 weather forecast Day 2, 18 hours 7 PM 67° 67° Partly Cloudy 0%

0% Thunder
( 3% severe)
SSE   3 34% 38°
LERNA, IL 62440 weather forecast Day 2, 21 hours 10 PM 56° 54° Partly Cloudy SE   7 51% 38°
Friday
15 MAY 2026
LERNA, IL 62440 weather forecast Day 3, 0 hours 1 AM 53° 50° Partly Cloudy 6%

0% Thunder
( 9% severe)
SSE   8 59% 39°
Low 51° LERNA, IL 62440 weather forecast Day 3, 3 hours 4 AM 53° 50° Mostly Cloudy SSE   10 61% 40°
High 76° LERNA, IL 62440 weather forecast Day 3, 6 hours 7 AM 54° 51° Mostly Cloudy 52%
RAIN
***
0% Thunder
( 13% severe)
SSE   12 64% 42°

Mostly Cloudy

Rain Likely

LERNA, IL 62440 weather forecast Day 3, 9 hours 10 AM 61° 59° Mostly Cloudy S   15 58% 46°
LERNA, IL 62440 weather forecast Day 3, 15 hours 1 PM 68° 68° Mostly Cloudy 4%

0% Thunder
( 18% severe)
S   18 54% 51°
LERNA, IL 62440 weather forecast Day 3, 18 hours 4 PM 73° 73° Partly Cloudy S   16 51% 54°
LERNA, IL 62440 weather forecast Day 3, 21 hours 7 PM 73° 73° Partly Cloudy     S   13 53% 55°

MATTOON, IL extended weather forecast

Saturday
16 MAY 2026
Sunday
17 MAY 2026
Monday
18 MAY 2026
Tuesday
19 MAY 2026
Wednesday
20 MAY 2026
Low 64° Low 64° Low 66° Low 67° Low 55°
High 82° High 84° High 83° High 74° High 75°
LERNA, IL 62440 weather forecast Day 4 LERNA, IL 62440 weather forecast Day 5 LERNA, IL 62440 weather forecast Day 6 LERNA, IL 62440 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Overcast
71% Rain
Partly Cloudy
41% Rain
Partly Cloudy
35% Rain
Overcast
66% Rain
Overcast
48% Rain
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