Weather Alert
Marion Weather Warning NWS WEATHER ALERT FOR THE MARION, IL AREA - Issued: 1250 PM CDT Thu Sep 17 2026 Marion Weather Warning

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Marion, IL Weather - Hour by Hour Forecast

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Marion, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 77°F25°C, dew point 68°F20°C, humidity 73%. Wind direction is SW at 3 mph5 km/h with visibility of 10 mi16 km. Barometric pressure is 30.16 in1021 mb.
Overnight - Mostly clear. Near steady temperature in the mid 70s. Calm winds... Full Forecast
Friday - Sunny, hot with highs in the upper 90s. Calm winds, becoming west around 5 mph in the afternoon... Full Forecast

Marion Hourly Weather

24 Hour Forecast Scroll
Fri, Sep 18
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Midnight
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Marion, IL Hourly Weather - Mostly Clear - 3:00 AM Marion, IL Hourly Weather - Mostly Clear - 4:00 AM Marion, IL Hourly Weather - Mostly Clear - 5:00 AM Marion, IL Hourly Weather - Clear - 6:00 AM Marion, IL Hourly Weather - Clear - 7:00 AM Marion, IL Hourly Weather - Clear - 8:00 AM Marion, IL Hourly Weather - Clear - 9:00 AM Marion, IL Hourly Weather - Clear - 10:00 AM Marion, IL Hourly Weather - Clear - 11:00 AM Marion, IL Hourly Weather - Clear - 12:00 PM Marion, IL Hourly Weather - Clear - 1:00 PM Marion, IL Hourly Weather - Clear - 2:00 PM Marion, IL Hourly Weather - Mostly Clear - 3:00 PM Marion, IL Hourly Weather - Mostly Clear - 4:00 PM Marion, IL Hourly Weather - Mostly Clear - 5:00 PM Marion, IL Hourly Weather - Mostly Cloudy - 6:00 PM Marion, IL Hourly Weather - Mostly Cloudy - 7:00 PM Marion, IL Hourly Weather - Mostly Cloudy - 8:00 PM Marion, IL Hourly Weather - Partly Cloudy - 9:00 PM Marion, IL Hourly Weather - Partly Cloudy - 10:00 PM Marion, IL Hourly Weather - Partly Cloudy - 11:00 PM Marion, IL Hourly Weather - Partly Cloudy - 12:00 AM Marion, IL Hourly Weather - Partly Cloudy - 1:00 AM Marion, IL Hourly Weather - Partly Cloudy - 2:00 AM
Mostly Clear Mostly Clear Mostly Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Mostly Clear Mostly Clear Mostly Clear Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
75°F24°C 74°F23°C 74°F23°C 75°F24°C 75°F24°C 78°F26°C 82°F28°C 85°F29°C 88°F31°C 91°F33°C 94°F34°C 95°F35°C 95°F35°C 96°F36°C 93°F34°C 89°F32°C 86°F30°C 83°F28°C 81°F27°C 78°F26°C 77°F25°C 76°F24°C 75°F24°C 74°F23°C
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10% 10% 10% 10% 10% 2% 2% 2% 2% 2% 2% 9% 9% 9% 9% 9% 9% 18% 18% 18% 18% 18% 18% 7%
69°F21°C 69°F21°C 69°F21°C 70°F21°C 70°F21°C 70°F21°C 71°F22°C 71°F22°C 71°F22°C 71°F22°C 71°F22°C 71°F22°C 70°F21°C 70°F21°C 70°F21°C 71°F22°C 71°F22°C 71°F22°C 71°F22°C 71°F22°C 71°F22°C 70°F21°C 70°F21°C 70°F21°C
82% 84% 84% 84% 84% 77% 69% 63% 57% 52% 48% 46% 45% 43% 47% 56% 61% 67% 72% 79% 82% 82% 84% 87%
SW SW SW SW SW SSW SSW SSW SSW W W W W W SW SSE E E E ENE E E ESE SE
2 mph 2 mph 2 mph 4 mph 4 mph 4 mph 4 mph 4 mph 4 mph 6 mph 6 mph 6 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 2 mph 2 mph 2 mph 2 mph 2 mph 2 mph
10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 6 mi10 km 3 mi5 km .75 mi1 km 3 mi5 km
Hour (CDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
Humidity
Wind Direction
Wind Speed
Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KMWA model statistics.

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Prob Precip % = Probability of Precipitation.

Marion 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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