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Marathon, IA 50565 Weather

It is 57°F and clear in Marathon, IA 50565, observed at 5:55 PM CDT. Tonight: Mostly Clear, low 41°F. Hourly and 7-day forecast from the National Weather Service. Times are local (CDT).

Marathon, IA 50565 current weather

57°F

Clear

H -- / L 41°Feels like 57°

  • No rain expected in the next 12 hours

Observed at Storm Lake (22.5 mi away), 10/29/2026, 5:55 PM CDT

Hourly forecast

NWS, updated 10/29/2026, 4:13 PM PT

  1. Now57°
  2. 7 PM53°
  3. 8 PM48°
  4. 9 PM46°
  5. 10 PM45°
  6. 11 PM44°
  7. 12 AM44°Fri
  8. 1 AM44°
  9. 2 AM42°
  10. 3 AM44°
  11. 4 AM43°
  12. 5 AM43°
  13. 6 AM43°11%
  14. 7 AM42°
  15. 8 AM43°
  16. 9 AM45°10%
  17. 10 AM47°14%
  18. 11 AM49°14%
  19. 12 PM49°20%
  20. 1 PM49°10%
  21. 2 PM50°20%
  22. 3 PM49°29%
  23. 4 PM49°36%
  24. 5 PM49°17%
  25. 6 PM49°32%
  26. 7 PM46°32%
  27. 8 PM46°33%
  28. 9 PM46°28%
  29. 10 PM46°38%
  30. 11 PM46°40%
  31. 12 AM46°53%Sat
  32. 1 AM47°68%
  33. 2 AM47°65%
  34. 3 AM47°81%
  35. 4 AM46°51%
  36. 5 AM48°38%
  37. 6 AM48°46%
  38. 7 AM49°53%
  39. 8 AM50°53%
  40. 9 AM52°53%
  41. 10 AM54°53%
  42. 11 AM56°53%
  43. 12 PM57°53%
  44. 1 PM58°16%
  45. 2 PM59°16%
  46. 3 PM60°16%
  47. 4 PM60°16%
  48. 5 PM59°16%

7-day forecast

Tap a day for details

  • Today10/29Low 41°High

    Tonight: Mostly clear, with a low around 41. East northeast wind around 5 mph.

    Mostly Clear
  • Fri10/3081% chance of precipitationLow 45°High 50°

    Friday: A chance of rain showers after noon. Mostly cloudy, with a high near 50. East wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

    Friday Night: A chance of rain showers before 11pm, then rain showers and patchy fog. Cloudy. Low around 45, with temperatures rising to around 48 overnight. East southeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

    Mostly Cloudy then Chance Rain Showers
  • Sat10/3153% chance of precipitationLow 49°High 61°

    Saturday: A chance of rain showers. Cloudy, with a high near 61. Southeast wind around 5 mph. Chance of precipitation is 50%.

    Saturday Night: A slight chance of rain showers before 1am. Mostly cloudy, with a low around 49. South southeast wind around 5 mph. Chance of precipitation is 20%.

    Chance Rain Showers
  • Sun11/137% chance of precipitationLow 52°High 64°

    Sunday: Partly sunny, with a high near 64. Southeast wind around 5 mph.

    Sunday Night: A chance of rain showers after midnight. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.

    Partly Sunny
  • Mon11/291% chance of precipitationLow 53°High 63°

    Monday: Rain showers before noon, then showers and thunderstorms. Cloudy, with a high near 63. Chance of precipitation is 90%.

    Monday Night: Showers and thunderstorms. Mostly cloudy, with a low around 53. Chance of precipitation is 80%.

    Rain Showers
  • Tue11/368% chance of precipitationLow 45°High 63°

    Tuesday: Rain showers likely. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.

    Tuesday Night: Rain showers likely. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.

    Rain Showers Likely
  • Wed11/451% chance of precipitationLow 39°High 54°

    Wednesday: A chance of rain showers. Mostly cloudy, with a high near 54. Chance of precipitation is 50%.

    Wednesday Night: A chance of rain showers. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.

    Chance Rain Showers
  • Thu11/529% chance of precipitationLow High 50°

    Thursday: A chance of rain showers. Partly sunny, with a high near 50. Chance of precipitation is 30%.

    Chance Rain Showers

Forecast for 42.869, -94.984 from the NWS FSD office, updated 10/29/2026, 4:13 PM PT · Official forecast on weather.gov

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now57°Clear0%5 mph
  2. 7 PM53°Clear0%5 mph
  3. 8 PM48°Clear0%5 mph
  4. 9 PM46°Clear0%5 mph
  5. 10 PM45°Mostly Clear0%5 mph
  6. 11 PM44°Clear0%5 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in Marathon, IA 50565 right now?
The latest observation from Storm Lake was 57°F and clear, reported at 10/29/2026, 5:55 PM CDT.
Will it rain in Marathon, IA 50565 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What time is sunrise and sunset in Marathon, IA 50565 today?
Sunrise is about 7:50 AM CDT and sunset is about 6:16 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Marathon, IA 50565?
At Sioux Rapids 4 E, the 1991 to 2020 normal high in October is 61°F and the normal low is 39°F.

Nearby hazards

Iowa hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast today (Northwest Iowa)
36GoodOzone
AQI forecast tomorrow (Northwest Iowa)
27GoodOzone

UV index guide · Air quality

Drought

By county

Buena Vista County, week of 10/27/2026

No drought or abnormal dryness in this county.

Sun and moon

Local time, center of the area

Sunrise
7:50 AM
Sunset
6:16 PM
Daylight
10 hr 25 min
Moon
Waning Gibbous 84% lit
First light (civil dawn)
7:21 AM
Last light (civil dusk)
6:45 PM
Moonrise
8:38 PM
Moonset
12:13 PM

Normal October weather

Climate

Normal October high 61°, low 39°, precipitation 2.51 in for the month. 1991 to 2020 normals at Sioux Rapids 4 E, 4 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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