Weather forecast for tomorrowGustave, SD

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 64°F
  • 37°F
Sunny / Wind
Sunny / Wind
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 22mphSE 129°
  • Humidity: 40%
  • UV index: 3
  • Sunrise: 7:17 am MDT
  • Sunset: 6:03 pm MDT
  • ▼
Tomorrow, on Monday, October 19, sunshine will prevail, though winds may remain active.
The temperature is expected to vary significantly from a high of a breezy 64.4°F to a low of a cold 37.4°F.
Expect a warmer feel as the forecasted high matches September's 73.2°F, rather than October's average of 55.4°F.
Sunrise will be at 7:17 am and sunset at 6:03 pm; tomorrow's daylight will last for 10h and 46min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 63°C.
Coldest hour: 6 am 39°C.

Chance of precipitation

Highest chance: 9 pm 1%.

Hourly weather forecast

  • 12 am
  • 45°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphESE 117°
  • Humidity: 45%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 41°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphESE 122°
  • Humidity: 51%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 39°F
  • Feels like:
    32°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphESE 118°
  • Humidity: 55%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 39°F
  • Feels like:
    30°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphESE 122°
  • Humidity: 58%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:17 am
  • 8 am
  • 39°F
  • Feels like:
    32°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 13mphSE 125°
  • Humidity: 59%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 50°F
  • Feels like:
    45°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 18mphSE 132°
  • Humidity: 44%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 59°F
  • Feels like:
    54°F
Sunny / Wind
Sunny / Wind
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 21mphSE 134°
  • Humidity: 32%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 63°F
  • Feels like:
    59°F
Sunny / Wind
Sunny / Wind
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 21mphSE 132°
  • Humidity: 30%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 63°F
  • Feels like:
    59°F
Sunny / Wind
Sunny / Wind
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 22mphSE 127°
  • Humidity: 30%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 57°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 18mphSE 125°
  • Humidity: 38%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:03 pm
  • 8 pm
  • 52°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 17mphSE 124°
  • Humidity: 52%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 48°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 15mphSE 128°
  • Humidity: 59%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, primarily clear and occasionally gloomy weather is expected.
The temperature will be between a minimum of 39.2°F and a maximum of 62.6°F. The feels-like temperature will be between the lowest temperature of 30.2°F and the highest temperature of 59°F. The warmest part of the day will be from 2 pm to 4 pm.
The maximum temperature will align more closely with September's average high of 73.2°F than with October's 55.4°F. The lowest temperature is close to October's typical minimum of 39.6°F.
Updated: Oct 18, 2026 @ 10:26:29 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Monday, sunny and windy weather is anticipated.

Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 37.4°F.
The highest temperature will be a couple of degrees higher than the average maximum of 55.4°F in October. The lowest temperature will be in line with the average low of 39.6°F.

On Monday, in Gustave, sunrise will be at 7:17 am and sunset at 6:03 pm (MDT).

In Gustave, the length of the day tomorrow will be 10h and 46min.