Weather Alert
Marengo Weather Warning NWS WEATHER ALERT FOR THE MARENGO, IL AREA - Issued: 1200 PM CDT Tue Sep 8 2026 Marengo Weather Warning

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Marengo, IL Weather - Hour by Hour Forecast

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Marengo, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Mostly Cloudy. Temperature is 78°F25°C, dew point 63°F17°C, humidity 60%. Wind direction is SE at 6 mph10 km/h with visibility of 10 mi16 km. Barometric pressure is 30.17 in1022 mb.
Today - Mostly cloudy. Highs in the mid 80s. South winds 5 to 10 mph... Full Forecast
Tonight - Mostly cloudy. A slight chance of showers in the evening, then showers likely with a slight chance of thunderstorms after midnight.. Full Forecast

Marengo Hourly Weather

24 Hour Forecast Scroll
Tue, Sep 08
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Marengo, IL Hourly Weather - Clear - 12:00 PM Marengo, IL Hourly Weather - Clear - 1:00 PM Marengo, IL Hourly Weather - Clear - 2:00 PM Marengo, IL Hourly Weather - Clear - 3:00 PM Marengo, IL Hourly Weather - Clear - 4:00 PM Marengo, IL Hourly Weather - Clear - 5:00 PM Marengo, IL Hourly Weather - Mostly Clear - 6:00 PM Marengo, IL Hourly Weather - Mostly Clear - 7:00 PM Marengo, IL Hourly Weather - Mostly Clear - 8:00 PM Marengo, IL Hourly Weather - Mostly Cloudy - 9:00 PM Marengo, IL Hourly Weather - Mostly Cloudy - 10:00 PM Marengo, IL Hourly Weather - Mostly Cloudy - 11:00 PM Marengo, IL Hourly Weather - Cloudy - 12:00 AM Marengo, IL Hourly Weather - Cloudy - 1:00 AM Marengo, IL Hourly Weather - Cloudy - 2:00 AM Marengo, IL Hourly Weather - Cloudy - 3:00 AM Marengo, IL Hourly Weather - Cloudy - 4:00 AM Marengo, IL Hourly Weather - Cloudy - 5:00 AM Marengo, IL Hourly Weather - Cloudy - 6:00 AM Marengo, IL Hourly Weather - Cloudy - 7:00 AM Marengo, IL Hourly Weather - Cloudy - 8:00 AM Marengo, IL Hourly Weather - Cloudy - 9:00 AM Marengo, IL Hourly Weather - Cloudy - 10:00 AM Marengo, IL Hourly Weather - Cloudy - 11:00 AM
Clear Clear Clear Clear Clear Clear Mostly Clear Mostly Clear Mostly Clear Mostly Cloudy Mostly Cloudy Mostly Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
78°F26°C 81°F27°C 82°F28°C 82°F28°C 83°F28°C 81°F27°C 78°F26°C 76°F24°C 74°F23°C 72°F22°C 70°F21°C 70°F21°C 69°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 70°F21°C 71°F22°C 73°F23°C
- - - - - - - - Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain
4% 4% 0% 0% 0% 0% 0% 0% 27% 27% 27% 27% 27% 27% 62% 62% 62% 62% 62% 62% 39% 39% 39% 39%
62°F17°C 62°F17°C 61°F16°C 61°F16°C 60°F16°C 60°F16°C 61°F16°C 61°F16°C 61°F16°C 62°F17°C 62°F17°C 62°F17°C 63°F17°C 63°F17°C 63°F17°C 64°F18°C 64°F18°C 64°F18°C 64°F18°C 64°F18°C 65°F18°C 66°F19°C 67°F19°C 68°F20°C
58% 53% 49% 49% 46% 49% 56% 60% 64% 71% 76% 76% 81% 81% 81% 87% 87% 87% 90% 90% 90% 87% 87% 84%
S S S S S SSE SSE SE SE SE SE E NE N NE NE ENE E ESE SE SSE SSE S SSE
8 mph 8 mph 8 mph 10 mph 10 mph 10 mph 7 mph 7 mph 7 mph 5 mph 5 mph 5 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 7 mph 7 mph 7 mph 8 mph 8 mph 8 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 6 mi10 km 6 mi10 km 5 mi8 km 6 mi10 km 6 mi10 km 10 mi16 km 10 mi16 km
Hour (CDT)
Weather
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POP = Probability of Precipitation. ** Indicates missing data/values from KDKB model statistics.

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Prob Precip % = Probability of Precipitation.

Marengo 36 Hour Forecast

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

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