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St. Lucas, IA 52166 Weather

Today: Sunny, high 61°F, low 39°F. Hourly and 7-day forecast from the National Weather Service. Times are local (CDT).

St. Lucas, IA 52166 current weather

48°F

Mostly Sunny

Forecast for this hour. No recent report from a nearby station.

H 61° / L 39°

  • No rain expected in the next 12 hours

No recent station report. NWS hourly forecast updated 10/29/2026, 3:52 AM PT

Hourly forecast

NWS, updated 10/29/2026, 3:52 AM PT

  1. Now48°
  2. 8 AM48°
  3. 9 AM50°
  4. 10 AM53°
  5. 11 AM55°
  6. 12 PM57°
  7. 1 PM59°
  8. 2 PM60°
  9. 3 PM60°
  10. 4 PM61°
  11. 5 PM59°
  12. 6 PM56°
  13. 7 PM54°
  14. 8 PM48°
  15. 9 PM47°
  16. 10 PM46°
  17. 11 PM44°
  18. 12 AM43°Fri
  19. 1 AM42°
  20. 2 AM41°
  21. 3 AM41°
  22. 4 AM40°
  23. 5 AM40°
  24. 6 AM40°
  25. 7 AM39°
  26. 8 AM41°
  27. 9 AM44°
  28. 10 AM48°
  29. 11 AM50°
  30. 12 PM52°
  31. 1 PM53°
  32. 2 PM54°
  33. 3 PM54°
  34. 4 PM54°21%
  35. 5 PM55°14%
  36. 6 PM54°11%
  37. 7 PM52°15%
  38. 8 PM50°15%
  39. 9 PM49°15%
  40. 10 PM49°15%
  41. 11 PM49°15%
  42. 12 AM48°15%Sat
  43. 1 AM48°54%
  44. 2 AM48°54%
  45. 3 AM48°54%
  46. 4 AM48°54%
  47. 5 AM47°54%
  48. 6 AM47°54%

7-day forecast

Tap a day for details

  • Today10/29Low 39°High 61°

    Today: Sunny. High near 61, with temperatures falling to around 59 in the afternoon. North wind 3 to 7 mph.

    Tonight: Mostly clear, with a low around 39. Northeast wind 0 to 3 mph.

    Sunny
  • Fri10/3054% chance of precipitationLow 46°High 56°

    Friday: A slight chance of rain showers between 4pm and 5pm. Partly sunny, with a high near 56. East wind 3 to 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

    Friday Night: A chance of rain showers after 7pm. Mostly cloudy, with a low around 46. East wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

    Partly Sunny then Slight Chance Rain Showers
  • Sat10/3170% chance of precipitationLow 49°High 61°

    Saturday: Rain showers likely. Cloudy, with a high near 61. Southeast wind 2 to 6 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.

    Saturday Night: A chance of rain showers before 7pm. Mostly cloudy, with a low around 49. Southeast wind around 3 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

    Rain Showers Likely
  • Sun11/111% chance of precipitationLow 51°High 66°

    Sunday: Partly sunny, with a high near 66. Southeast wind around 5 mph.

    Sunday Night: Mostly cloudy, with a low around 51. Southeast wind around 6 mph.

    Partly Sunny
  • Mon11/273% chance of precipitationLow 53°High 64°

    Monday: Rain showers likely. Mostly cloudy, with a high near 64. Southeast wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    Monday Night: Rain showers likely. Mostly cloudy, with a low around 53. Southeast wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    Rain Showers Likely
  • Tue11/365% chance of precipitationLow 48°High 64°

    Tuesday: Rain showers likely. Mostly cloudy, with a high near 64. East wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

    Tuesday Night: A chance of rain showers. Mostly cloudy, with a low around 48. East wind around 10 mph. Chance of precipitation is 50%.

    Rain Showers Likely
  • Wed11/447% chance of precipitationLow 43°High 60°

    Wednesday: A chance of rain showers. Mostly cloudy, with a high near 60. Northeast wind around 10 mph. Chance of precipitation is 50%.

    Wednesday Night: A chance of rain showers. Mostly cloudy, with a low around 43. North wind around 8 mph. Chance of precipitation is 30%.

    Chance Rain Showers

Forecast for 43.067, -91.936 from the NWS ARX office, updated 10/29/2026, 3:52 AM 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. Now48°Mostly Sunny0%6 mph
  2. 8 AM48°Mostly Sunny0%6 mph
  3. 9 AM50°Mostly Sunny0%7 mph
  4. 10 AM53°Sunny0%7 mph
  5. 11 AM55°Sunny0%7 mph
  6. 12 PM57°Sunny0%7 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 high temperature today in St. Lucas, IA 52166?
The National Weather Service forecast for today calls for a high near 61°F. Sunny.
Will it rain in St. Lucas, IA 52166 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 St. Lucas, IA 52166 today?
Sunrise is about 7:38 AM CDT and sunset is about 6:03 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in St. Lucas, IA 52166?
At Fayette, the 1991 to 2020 normal high in October is 60°F and the normal low is 36°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 (Northeast Iowa)
42GoodOzone
AQI forecast tomorrow (Northeast Iowa)
31GoodOzone

UV index guide · Air quality

Drought

By county

Fayette County, week of 10/20/2026

No drought or abnormal dryness in this county.

Sun and moon

Local time, center of the area

Sunrise
7:38 AM
Sunset
6:03 PM
Daylight
10 hr 25 min
Moon
Waning Gibbous 88% lit
First light (civil dawn)
7:09 AM
Last light (civil dusk)
6:33 PM
Moonrise
8:24 PM
Moonset
12:02 PM

Normal October weather

Climate

Normal October high 60°, low 36°, precipitation 2.90 in for the month. 1991 to 2020 normals at Fayette, 14 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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