MARIETTA, IL 61459 Weather Forecast & Current Conditions

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MACOMB MUNI AIRPORT, IL
Current Weather

11:35 PM CDT JUN 8, 2026
Clear
73°F
Feels Like: 73°F
Dewpoint: 73°F
Rel. Hum.: 100%
Visibility: 10 miles
Wind: Calm
Pressure: 29.96 inches
Last 72 hours

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MARIETTA, IL 61459
Weather Forecast

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REST OF TONIGHT
Partly cloudy with a slight chance of thunderstorms. A chance of showers late this evening, then a slight chance of showers. Some thunderstorms may produce heavy rainfall. Near steady temperature in the lower 70s. South winds around 5 mph. Chance of rain 40 percent.
TUESDAY
Partly sunny. Warmer with highs around 90. Southwest winds 5 to 10 mph. Heat index values up to 103 in the afternoon.
TUESDAY NIGHT
Partly cloudy in the evening, then clearing. A chance of showers. A chance of thunderstorms, mainly in the evening. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of rain 40 percent.
WEDNESDAY
Sunny with highs in the lower 90s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 100.
WEDNESDAY NIGHT
A chance of thunderstorms in the evening. Showers likely. Lows around 70. Southwest winds 15 to 20 mph, diminishing to 5 to 10 mph after midnight. Chance of rain 70 percent.
THURSDAY
A chance of showers in the morning, then showers with thunderstorms likely in the afternoon. Highs around 90. Chance of rain 80 percent.
THURSDAY NIGHT
Showers likely with a chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 60s. Chance of rain 70 percent.
FRIDAY
Sunny. Highs in the mid 80s.
FRIDAY NIGHT
Clear. Lows in the lower 60s.
SATURDAY
Sunny. Highs in the upper 80s.
SATURDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 60s. Chance of rain 40 percent.
SUNDAY
A chance of showers in the morning. Mostly sunny. Highs in the lower 80s. Chance of rain 40 percent.
SUNDAY NIGHT
Partly cloudy. Lows in the upper 50s.

Visible Weather Satellite
MARIETTA, IL 61459
Infrared Weather Satellite
MARIETTA, IL 61459
NEXRAD Weather Radar
MARIETTA, IL 61459

MACOMB MUNI AIRPORT, IL 3 hourly weather forecast

weather forecast created  7:00 PM CDT  6/ 8/2026
Tuesday
9 JUN 2026
MARIETTA, IL 61459 weather forecast Day 1, 0 hours 1 AM 74° 74° Partly Cloudy 5%

0% Thunder
( 13% severe)
  CALM 90% 71°
Low 71° MARIETTA, IL 61459 weather forecast Day 1, 3 hours 4 AM 72° 72° Mostly Cloudy   CALM 97% 71°
High 91° MARIETTA, IL 61459 weather forecast Day 1, 6 hours 7 AM 72° 72° Mostly Cloudy 7%

0% Thunder
( 19% severe)
SW   1 100% 72°

Mostly Cloudy

Chance of Rain

MARIETTA, IL 61459 weather forecast Day 1, 9 hours 10 AM 80° 85° Mostly Cloudy WSW   6 82% 74°
MARIETTA, IL 61459 weather forecast Day 1, 12 hours 1 PM 86° 94° Mostly Cloudy 25%
RAIN
.1–.25 in
0% Thunder
( 35% severe)
SW   8 68% 74°
MARIETTA, IL 61459 weather forecast Day 1, 15 hours 4 PM 89° 98° Partly Cloudy SW   9 61% 74°
MARIETTA, IL 61459 weather forecast Day 1, 18 hours 7 PM 88° 98° Partly Cloudy 16%
RAIN
<.01 in
0% Thunder
( 27% severe)
SW   8 66% 75°
MARIETTA, IL 61459 weather forecast Day 1, 21 hours 10 PM 81° 87° Partly Cloudy S   8 82% 75°
Wednesday
10 JUN 2026
MARIETTA, IL 61459 weather forecast Day 2, 0 hours 1 AM 79° 83° Partly Cloudy 10%
RAIN
<.01 in
0% Thunder
( 13% severe)
S   9 85% 74°
Low 72° MARIETTA, IL 61459 weather forecast Day 2, 3 hours 4 AM 76° 76° Partly Cloudy SSW   12 90% 73°
High 93° MARIETTA, IL 61459 weather forecast Day 2, 6 hours 7 AM 75° 75° Clear 2%

0% Thunder
( 25% severe)
SSW   14 90% 72°

Partly Cloudy

Chance of Rain


Breezy
MARIETTA, IL 61459 weather forecast Day 2, 9 hours 10 AM 83° 89° Partly Cloudy SSW   17 72% 73°
MARIETTA, IL 61459 weather forecast Day 2, 12 hours 1 PM 89° 97° Partly Cloudy 28%
RAIN
<.01 in
0% Thunder
( 48% severe)
SSW   20 59% 73°
MARIETTA, IL 61459 weather forecast Day 2, 15 hours 4 PM 90° 98° Partly Cloudy SSW   22 56% 72°
MARIETTA, IL 61459 weather forecast Day 2, 18 hours 7 PM 88° 95° Partly Cloudy 46%
RAIN
***
0% Thunder
( 36% severe)
SSW   18 59% 72°
MARIETTA, IL 61459 weather forecast Day 2, 21 hours 10 PM 81° 85° Partly Cloudy SSW   15 72% 71°

MACOMB MUNI AIRPORT, IL extended weather forecast

BAD DAY
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Low 73° Low 69° Low 63° Low 57° Low 56°
High 90° High 88° High 81° High 83° High 75°
MARIETTA, IL 61459 weather forecast Day 3 MARIETTA, IL 61459 weather forecast Day 4 MARIETTA, IL 61459 weather forecast Day 5 MARIETTA, IL 61459 weather forecast Day 6 MARIETTA, IL 61459 weather forecast Day 7
Partly Cloudy
52% Rain
Mostly Cloudy
79% Rain
Mostly Cloudy
69% Rain
Partly Cloudy
20% Rain
Partly Cloudy
19% Rain
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