Saint Lucas, IA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Lucas, IA in one place.
Sunny, with a high near 90. West wind 3 to 7 mph.
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: Jul 12, 2026 8:48 AM CDT.
The active forecast window currently covers Jul 14 to Jul 18, 2026 for Saint Lucas, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 8:48 AM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Lucas
Tuesday looks like the warmest upcoming period in Saint Lucas at 90 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 69 degrees F.
The strongest winds are forecast for Saturday at about 10 to 14 mph SW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 12, 2026 8:48 AM CDT
- Coverage
- 5 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
Mostly clear, with a low around 69. West wind around 6 mph.
Sunny, with a high near 90. Northwest wind around 5 mph.
Mostly clear, with a low around 69. Southwest wind around 3 mph.
Sunny, with a high near 89. Southwest wind 3 to 8 mph.
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 70. South wind 6 to 9 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 88. South wind around 12 mph. Chance of precipitation is 20%.
Partly cloudy, with a low around 71. South wind around 10 mph.
Mostly sunny, with a high near 87. Southwest wind 10 to 14 mph.
Partly cloudy, with a low around 69. West wind around 12 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
90°F |
3 to 7 mph
W
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
69°F |
6 mph
W
|
|
Wednesday
Jul 15
|
Sunny
|
90°F |
5 mph
NW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
69°F |
3 mph
SW
|
|
Thursday
Jul 16
|
Sunny
|
89°F |
3 to 8 mph
SW
|
|
Thursday Night
Jul 16
|
Mostly Clear then Slight Chance Showers And Thunderstorms
|
70°F |
6 to 9 mph
S
|
|
Friday
Jul 17
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
88°F |
12 mph
S
|
|
Friday Night
Jul 17
|
Partly Cloudy
|
71°F |
10 mph
S
|
|
Saturday
Jul 18
|
Mostly Sunny
|
87°F |
10 to 14 mph
SW
|
|
Saturday Night
Jul 18
|
Partly Cloudy
|
69°F |
12 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Lucas.