Weather Alert
Marissa Weather Warning NWS WEATHER ALERT FOR THE MARISSA, IL AREA - Issued: 258 AM CDT Fri Sep 18 2026 Marissa Weather Warning

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Marissa, IL Weather - Hour by Hour Forecast

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Marissa, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 94°F35°C, dew point 69°F21°C, humidity 44%. Wind direction is WNW at 5 mph8 km/h with visibility of 10 mi16 km. Barometric pressure is 30.16 in1021 mb.
Today - Sunny. A chance of showers and thunderstorms. Hot with highs in the mid 90s. East winds around 5 mph, becoming southeast. Chance o.. Full Forecast
Tonight - Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Southeast winds around 5 mph. Ch.. Full Forecast

Marissa Hourly Weather

24 Hour Forecast Scroll
Fri, Sep 18
Noon
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Marissa, IL Hourly Weather - Clear - 12:00 PM Marissa, IL Hourly Weather - Clear - 1:00 PM Marissa, IL Hourly Weather - Clear - 2:00 PM Marissa, IL Hourly Weather - Partly Cloudy - 3:00 PM Marissa, IL Hourly Weather - Partly Cloudy - 4:00 PM Marissa, IL Hourly Weather - Partly Cloudy - 5:00 PM Marissa, IL Hourly Weather - Partly Cloudy - 6:00 PM Marissa, IL Hourly Weather - Partly Cloudy - 7:00 PM Marissa, IL Hourly Weather - Partly Cloudy - 8:00 PM Marissa, IL Hourly Weather - Mostly Cloudy - 9:00 PM Marissa, IL Hourly Weather - Mostly Cloudy - 10:00 PM Marissa, IL Hourly Weather - Mostly Cloudy - 11:00 PM Marissa, IL Hourly Weather - Mostly Cloudy - 12:00 AM Marissa, IL Hourly Weather - Mostly Cloudy - 1:00 AM Marissa, IL Hourly Weather - Mostly Cloudy - 2:00 AM Marissa, IL Hourly Weather - Mostly Cloudy - 3:00 AM Marissa, IL Hourly Weather - Mostly Cloudy - 4:00 AM Marissa, IL Hourly Weather - Mostly Cloudy - 5:00 AM Marissa, IL Hourly Weather - Mostly Cloudy - 6:00 AM Marissa, IL Hourly Weather - Mostly Cloudy - 7:00 AM Marissa, IL Hourly Weather - Mostly Cloudy - 8:00 AM Marissa, IL Hourly Weather - Partly Cloudy - 9:00 AM Marissa, IL Hourly Weather - Partly Cloudy - 10:00 AM Marissa, IL Hourly Weather - Partly Cloudy - 11:00 AM
Clear Clear Clear Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
90°F32°C 92°F33°C 93°F34°C 94°F34°C 95°F35°C 92°F33°C 90°F32°C 87°F31°C 84°F29°C 82°F28°C 79°F26°C 78°F26°C 76°F24°C 75°F24°C 74°F23°C 74°F23°C 73°F23°C 72°F22°C 72°F22°C 71°F22°C 75°F24°C 79°F26°C 83°F28°C 86°F30°C
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5% 5% 9% 9% 9% 9% 9% 9% 21% 21% 21% 21% 21% 21% 12% 12% 12% 12% 12% 12% 8% 8% 8% 8%
73°F23°C 72°F22°C 71°F22°C 71°F22°C 70°F21°C 70°F21°C 71°F22°C 71°F22°C 71°F22°C 71°F22°C 71°F22°C 70°F21°C 70°F21°C 69°F21°C 69°F21°C 68°F20°C 68°F20°C 68°F20°C 67°F19°C 67°F19°C 68°F20°C 69°F21°C 70°F21°C 68°F20°C
58% 52% 49% 48% 45% 49% 54% 59% 65% 69% 77% 77% 82% 82% 84% 82% 84% 87% 84% 87% 79% 72% 65% 55%
SSW SSW SSW SSW SSW S ESE NE ENE E ESE SE SE SE SE SE SSE SSE S S SSE SW SW SSW
3 mph 3 mph 3 mph 3 mph 3 mph 3 mph 3 mph 3 mph 3 mph 3 mph 3 mph 3 mph 3 mph 3 mph 3 mph 3 mph 3 mph 3 mph 3 mph 3 mph 3 mph 4 mph 4 mph 4 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 6 mi10 km 6 mi10 km 5 mi8 km 6 mi10 km 6 mi10 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km
Hour (CDT)
Weather
Clouds
Temperature
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Dewpoint
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POP = Probability of Precipitation. ** Indicates missing data/values from KSAR model statistics.

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Prob Precip % = Probability of Precipitation.

Marissa 36 Hour Forecast

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

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