LERNA, IL 62440 Weather Forecast & Current Conditions

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MATTOON, IL
Current Weather

7:53 AM CDT MAR 15, 2026
Clear
57°F
Feels Like: 54°F
Dewpoint: 45°F
Rel. Hum.: 64%
Visibility: 10 miles
Wind: SSE at 15 mph, gusts to 33
Pressure: 29.55 inches
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LERNA, IL 62440
Weather Forecast

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REST OF TODAY
Mostly cloudy. A slight chance of rain this morning, then rain likely with a chance of thunderstorms this afternoon. Very windy and not as cool with highs in the upper 60s. South winds 20 to 30 mph, increasing to 30 to 35 mph this afternoon. Gusts up to 50 mph. Chance of rain 70 percent.
TONIGHT
Rain with a chance of thunderstorms in the evening, then a chance of snow after midnight. Little or no snow accumulation. Windy and much cooler with lows in the lower 20s. West winds 25 to 30 mph with gusts up to 45 mph. Chance of precipitation near 100 percent.
MONDAY
Cloudy with a 40 percent chance of snow. Little or no snow accumulation. Windy and much cooler with highs in the upper 20s. West winds 25 to 30 mph with gusts up to 45 mph.
MONDAY NIGHT
Mostly cloudy and brisk, cooler with lows around 12. Northwest winds 15 to 25 mph with gusts up to 35 mph. Wind chill values as low as 4 below.
TUESDAY
Mostly sunny. Highs in the upper 20s. West winds 10 to 15 mph. Wind chill values as low as 4 below in the morning.
TUESDAY NIGHT
Mostly cloudy. A chance of snow after midnight. Not as cool with lows in the mid 20s. Temperature rising to around 30 after midnight. Chance of snow 50 percent.
WEDNESDAY
Mostly cloudy in the morning, then becoming mostly sunny. Not as cool with highs in the lower 50s.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
Partly cloudy. Lows in the upper 30s. Highs in the lower 60s.
FRIDAY AND FRIDAY NIGHT
Mostly cloudy. Highs in the upper 60s. Lows in the lower 40s.
SATURDAY
Partly sunny. Highs around 60.

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  7:00 PM EST  3/14/2026
Sunday
15 MAR 2026
LERNA, IL 62440 weather forecast Day 1, 0 hours 12 AM 48° 42° Mostly Cloudy 2%

0% Thunder
( 2% severe)
SE   14 65% 37°
Low 47° LERNA, IL 62440 weather forecast Day 1, 3 hours 3 AM 50° 45° Mostly Cloudy SSE   15 74% 42°
High 65° LERNA, IL 62440 weather forecast Day 1, 6 hours 6 AM 53° 48° Mostly Cloudy 22%
RAIN
<.01 in
0% Thunder
( 11% severe)
S   20 77% 46°

Mostly Cloudy

Rain Likely


Windy
LERNA, IL 62440 weather forecast Day 1, 9 hours 9 AM 60° 56° Mostly Cloudy S   25 72% 51°
LERNA, IL 62440 weather forecast Day 1, 12 hours 12 PM 63° 60° Mostly Cloudy 85%
RAIN
***
0% Thunder
( 23% severe)
S   29 65% 51°
LERNA, IL 62440 weather forecast Day 1, 15 hours 3 PM 62° 59° Mostly Cloudy S   28 70% 52°
LERNA, IL 62440 weather forecast Day 1, 18 hours 6 PM 56° 51° Mostly Cloudy 91%
RAIN
***
0% Thunder
( 16% severe)
SW   24 80% 50°
LERNA, IL 62440 weather forecast Day 1, 21 hours 9 PM 42° 32° Mostly Cloudy W   24 82% 37°
Monday
16 MAR 2026
LERNA, IL 62440 weather forecast Day 2, 0 hours 12 AM 35° 23° Mostly Cloudy 27%
SNOW
.1–1 in
0% Thunder
( 5% severe)
W   23 78% 29°
Low 22° LERNA, IL 62440 weather forecast Day 2, 3 hours 3 AM 29° 15° Mostly Cloudy W   24 80% 24°
High 27° LERNA, IL 62440 weather forecast Day 2, 6 hours 6 AM 24° Mostly Cloudy 9%

0% Thunder
( 2% severe)
WNW   24 75% 18°

Mostly Cloudy




Windy
LERNA, IL 62440 weather forecast Day 2, 9 hours 9 AM 22° Mostly Cloudy WNW   25 71% 15°
LERNA, IL 62440 weather forecast Day 2, 12 hours 12 PM 23° Mostly Cloudy 9%

0% Thunder
( 2% severe)
WNW   25 62% 13°
LERNA, IL 62440 weather forecast Day 2, 15 hours 3 PM 24° Mostly Cloudy WNW   25 56% 12°
LERNA, IL 62440 weather forecast Day 2, 18 hours 6 PM 22° Mostly Cloudy 4%

0% Thunder
( 2% severe)
WNW   21 61% 12°
LERNA, IL 62440 weather forecast Day 2, 21 hours 9 PM 19° Partly Cloudy WNW   18 64% 10°

MATTOON, IL extended weather forecast

Tuesday
17 MAR 2026
Wednesday
18 MAR 2026
Thursday
19 MAR 2026
Friday
20 MAR 2026
Saturday
21 MAR 2026
Low 10° Low 24° Low 34° Low 45° Low 53°
High 25° High 45° High 55° High 68° High 70°
LERNA, IL 62440 weather forecast Day 3 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
Mostly Cloudy
2% Snow
Overcast
62% Rain/Snow
Partly Cloudy
9% Rain
Clear
9% Rain
Partly Cloudy
16% Rain
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