Weather Alert
Marengo Weather Warning NWS WEATHER ALERT FOR THE MARENGO, IA AREA - Issued: 312 AM CDT Wed Sep 23 2026 Marengo Weather Warning

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Marengo, IA Weather - Hour by Hour Forecast

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Marengo, IA Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Mostly Cloudy. Temperature is 58°F14°C, dew point 55°F13°C, humidity 90%. Wind direction is E at 6 mph10 km/h with visibility of 10 mi16 km. Barometric pressure is 30.34 in1027 mb.
Rest of Tonight - Partly cloudy. Near steady temperature in the mid 50s. East winds around 5 mph... Full Forecast
Thursday - Partly sunny in the morning, then becoming mostly cloudy. Highs in the upper 60s. East winds around 5 mph... Full Forecast

Marengo Hourly Weather

24 Hour Forecast Scroll
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Marengo, IA Hourly Weather - Mostly Clear - 3:00 AM Marengo, IA Hourly Weather - Mostly Clear - 4:00 AM Marengo, IA Hourly Weather - Mostly Clear - 5:00 AM Marengo, IA Hourly Weather - Mostly Clear - 6:00 AM Marengo, IA Hourly Weather - Mostly Clear - 7:00 AM Marengo, IA Hourly Weather - Mostly Clear - 8:00 AM Marengo, IA Hourly Weather - Mostly Cloudy - 9:00 AM Marengo, IA Hourly Weather - Mostly Cloudy - 10:00 AM Marengo, IA Hourly Weather - Mostly Cloudy - 11:00 AM Marengo, IA Hourly Weather - Cloudy - 12:00 PM Marengo, IA Hourly Weather - Cloudy - 1:00 PM Marengo, IA Hourly Weather - Cloudy - 2:00 PM Marengo, IA Hourly Weather - Cloudy - 3:00 PM Marengo, IA Hourly Weather - Cloudy - 4:00 PM Marengo, IA Hourly Weather - Cloudy - 5:00 PM Marengo, IA Hourly Weather - Cloudy - 6:00 PM Marengo, IA Hourly Weather - Cloudy - 7:00 PM Marengo, IA Hourly Weather - Cloudy - 8:00 PM Marengo, IA Hourly Weather - Cloudy - 9:00 PM Marengo, IA Hourly Weather - Cloudy - 10:00 PM Marengo, IA Hourly Weather - Cloudy - 11:00 PM Marengo, IA Hourly Weather - Cloudy - 12:00 AM Marengo, IA Hourly Weather - Cloudy - 1:00 AM Marengo, IA Hourly Weather - Cloudy - 2:00 AM
Mostly Clear Mostly Clear Mostly 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 Cloudy Cloudy Cloudy
54°F12°C 53°F12°C 53°F12°C 53°F12°C 53°F12°C 56°F13°C 59°F15°C 62°F17°C 64°F18°C 65°F18°C 67°F19°C 68°F20°C 68°F20°C 69°F21°C 67°F19°C 66°F19°C 64°F18°C 63°F17°C 62°F17°C 61°F16°C 61°F16°C 60°F16°C 60°F16°C 59°F15°C
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0% 0% 0% 0% 0% 1% 1% 1% 1% 1% 1% 0% 0% 0% 0% 0% 0% 14% 14% 14% 14% 14% 14% 37%
52°F11°C 51°F11°C 51°F11°C 51°F11°C 51°F11°C 52°F11°C 54°F12°C 55°F13°C 55°F13°C 55°F13°C 55°F13°C 55°F13°C 55°F13°C 55°F13°C 55°F13°C 55°F13°C 55°F13°C 56°F13°C 57°F14°C 58°F14°C 59°F15°C 59°F15°C 60°F16°C 59°F15°C
93% 93% 93% 93% 93% 86% 83% 78% 73% 70% 65% 63% 63% 61% 65% 68% 73% 78% 84% 90% 93% 96% 100% 100%
E E E E E E E ESE ESE ESE ESE ESE ESE ESE E E E E E E E E E E
5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 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 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km
Hour (CDT)
Weather
Clouds
Temperature
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POP
Dewpoint
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POP = Probability of Precipitation. ** Indicates missing data/values from KCID 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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