Saint Lucas, IA Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Lucas, IA in one place.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 66. West wind around 15 mph. Chance of precipitation is 50%.
Local Weather Overview
This forecast page for Saint Lucas, IA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 10, 2026 12:36 PM CDT.
The active forecast window currently covers Apr 15 to Apr 16, 2026 for Saint Lucas, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 16, 2026
- Latest sync
- Apr 10, 2026 12:36 PM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Lucas
Thursday looks like the warmest upcoming period in Saint Lucas at 74 degrees F.
Thursday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Thursday at about 8 to 16 mph S.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 10, 2026 12:36 PM CDT
- Coverage
- 2 days
- Time zone
- America/Chicago
- Forecast office
- ARX
- Radar station
- KARX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms. Partly cloudy, with a low around 49. Southwest wind around 10 mph. Chance of precipitation is 40%.
A chance of rain showers. Sunny, with a high near 74. South wind 8 to 16 mph. Chance of precipitation is 30%.
A chance of rain showers. Partly cloudy, with a low around 46. West wind around 14 mph. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 15
|
Chance Rain Showers
|
66°F |
15 mph
W
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
49°F |
10 mph
SW
|
|
Thursday
Apr 16
|
Chance Rain Showers
|
74°F |
8 to 16 mph
S
|
|
Thursday Night
Apr 16
|
Chance Rain Showers
|
46°F |
14 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Lucas.