Weather forecast for tomorrowSaint Lucas, IA

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 66°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 6mphS 184°
  • Humidity: 66%
  • UV index: 4
  • Sunrise: 7:26 am CDT
  • Sunset: 6:18 pm CDT
  • ▼
On Monday, October 19, changing cloud patterns will allow for periods of sunshine.
The highest forecasted temperature is a breezy 66.2°F, while the lowest temperature will be a cold 41°F.
Expect a warmer feel as the forecasted high matches September's 71.4°F, rather than October's average of 57.2°F.
Sunrise will be at 7:26 am and sunset at 6:18 pm; tomorrow's daylight will last for 10h and 52min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 41°C.

Chance of precipitation

Highest chance: 6 am 8%.

Hourly weather forecast

  • 12 am
  • 48°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphSSW 208°
  • Humidity: 79%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 45°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 6mphSSW 203°
  • Humidity: 87%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 43°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 5mphSSW 197°
  • Humidity: 95%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 41°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 4mphS 184°
  • Humidity: 98%
  • Pressure: 30.33"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Sunrise: 7:26 am
  • 8 am
  • 43°F
  • Feels like:
    41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 4mphS 185°
  • Humidity: 98%
  • Pressure: 30.33"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 10 am
  • 52°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 5mphSSW 192°
  • Humidity: 78%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 61°F
  • Feels like:
    61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphSSW 194°
  • Humidity: 57%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 64°F
  • Feels like:
    64°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphS 189°
  • Humidity: 51%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 64°F
  • Feels like:
    64°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphS 176°
  • Humidity: 48%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 61°F
  • Feels like:
    61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphSSE 155°
  • Humidity: 56%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:18 pm
  • 8 pm
  • 54°F
  • Feels like:
    54°F
Mostly Clear
Mostly Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 3mphSE 137°
  • Humidity: 74%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 3mphSE 131°
  • Humidity: 83%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, a combination of clear and cloud-filled weather is expected.
The temperature will be between a minimum of 41°F and a maximum of 64.4°F. The warmest part of the day will be from 2 pm to 5 pm.
The maximum temperature will align more closely with September's average high of 71.4°F than with October's 57.2°F. The lowest temperature is consistent with October's typical minimum of 41.5°F.
Updated: Oct 18, 2026 @ 07:36:04 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Monday, a partly cloudy outlook will keep the sky interesting throughout the day.

Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 41°F.
The highest temperature will be a couple of degrees higher than the average maximum of 57.2°F in October. The lowest temperature will be in line with the average low of 41.5°F.

On Monday, in Saint Lucas, sunrise will be at 7:26 am and sunset at 6:18 pm (CDT).

In Saint Lucas, tomorrow, there will be 10h and 52min of daylight.