Weather Alert
Marathon Weather Warning NWS WEATHER ALERT FOR THE MARATHON, IA AREA - Issued: 456 AM CDT Mon Sep 14 2026 Marathon Weather Warning

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Marathon, IA Weather - Hour by Hour Forecast

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Marathon, IA Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Mostly Cloudy. Temperature is 63°F17°C, dew point 62°F17°C, humidity 96%. Wind direction is E at 3 mph5 km/h with visibility of 10 mi16 km. Barometric pressure is 29.79 in1008 mb.
Tonight - Cloudy. Showers with thunderstorms likely this evening, then a chance of showers and thunderstorms after midnight. Lows in the upp.. Full Forecast
Tuesday - Mostly cloudy in the morning, then clearing. Highs in the lower 70s. Northwest winds 5 to 10 mph... Full Forecast

Marathon Hourly Weather

24 Hour Forecast Scroll
Mon, Sep 14
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Marathon, IA Hourly Weather - Clear - 9:00 PM Marathon, IA Hourly Weather - Clear - 10:00 PM Marathon, IA Hourly Weather - Clear - 11:00 PM Marathon, IA Hourly Weather - Clear - 12:00 AM Marathon, IA Hourly Weather - Clear - 1:00 AM Marathon, IA Hourly Weather - Clear - 2:00 AM Marathon, IA Hourly Weather - Partly Cloudy - 3:00 AM Marathon, IA Hourly Weather - Partly Cloudy - 4:00 AM Marathon, IA Hourly Weather - Partly Cloudy - 5:00 AM Marathon, IA Hourly Weather - Cloudy - 6:00 AM Marathon, IA Hourly Weather - Cloudy - 7:00 AM Marathon, IA Hourly Weather - Cloudy - 8:00 AM Marathon, IA Hourly Weather - Cloudy - 9:00 AM Marathon, IA Hourly Weather - Cloudy - 10:00 AM Marathon, IA Hourly Weather - Cloudy - 11:00 AM Marathon, IA Hourly Weather - Cloudy - 12:00 PM Marathon, IA Hourly Weather - Cloudy - 1:00 PM Marathon, IA Hourly Weather - Cloudy - 2:00 PM Marathon, IA Hourly Weather - Cloudy - 3:00 PM Marathon, IA Hourly Weather - Cloudy - 4:00 PM Marathon, IA Hourly Weather - Cloudy - 5:00 PM Marathon, IA Hourly Weather - Cloudy - 6:00 PM Marathon, IA Hourly Weather - Cloudy - 7:00 PM Marathon, IA Hourly Weather - Cloudy - 8:00 PM
Clear Clear Clear Clear Clear Clear Partly Cloudy Partly Cloudy Partly Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
61°F16°C 58°F14°C 57°F14°C 55°F13°C 54°F12°C 53°F12°C 53°F12°C 52°F11°C 52°F11°C 51°F11°C 51°F11°C 54°F12°C 58°F14°C 61°F16°C 63°F17°C 64°F18°C 66°F19°C 66°F19°C 67°F19°C 67°F19°C 66°F19°C 66°F19°C 65°F18°C 64°F18°C
- - - - - - - - - - - - - - - - - Rain Rain Rain Rain Rain Rain Rain
1% 1% 1% 1% 1% 3% 3% 3% 3% 3% 3% 15% 15% 15% 15% 15% 15% 29% 29% 29% 29% 29% 29% 25%
50°F10°C 50°F10°C 49°F9°C 49°F9°C 48°F9°C 48°F9°C 47°F8°C 47°F8°C 47°F8°C 47°F8°C 47°F8°C 48°F9°C 49°F9°C 50°F10°C 51°F11°C 51°F11°C 52°F11°C 53°F12°C 54°F12°C 55°F13°C 56°F13°C 57°F14°C 58°F14°C 58°F14°C
67% 75% 75% 80% 80% 83% 80% 83% 83% 86% 86% 80% 72% 67% 65% 63% 61% 63% 63% 65% 70% 73% 78% 81%
SE NE NE NE ENE ENE ENE ENE ENE ENE ENE E E E ESE ESE SE SE SE SE SE SE SE SE
3 mph 3 mph 3 mph 4 mph 4 mph 4 mph 4 mph 4 mph 4 mph 6 mph 6 mph 6 mph 10 mph 10 mph 10 mph 11 mph 11 mph 11 mph 9 mph 9 mph 9 mph 6 mph 6 mph 6 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 6 mi10 km 5 mi8 km 5 mi8 km
Hour (CDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
Humidity
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Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KSPW model statistics.

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Prob Precip % = Probability of Precipitation.

Marathon 36 Hour Forecast

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

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