Weather forecast for tomorrowFort Thompson, SD
Weather forecast for tomorrow
Monday Oct 19, 2026
- 68°F
- 43°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 11mphE 88°
- Humidity: 55%
- UV index: 3
- Sunrise: 7:57 am CDT
- Sunset: 6:47 pm CDT
- details ▼
On Monday, October 19, the outlook remains bright and sunny.
The maximum forecasted temperature is an agreeable 68°F, while the minimum temperature will be a brisk 42.8°F.
Temperatures are higher than average, more in line with September's norm of 76.3°F than with October's 58.6°F.
Sunrise will be at 7:57 am and sunset at 6:47 pm; tomorrow's daylight will last for 10h and 50min.
The maximum forecasted temperature is an agreeable 68°F, while the minimum temperature will be a brisk 42.8°F.
Temperatures are higher than average, more in line with September's norm of 76.3°F than with October's 58.6°F.
Sunrise will be at 7:57 am and sunset at 6:47 pm; tomorrow's daylight will last for 10h and 50min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 66°C.
Coldest hour: 6 am 43°C.
Coldest hour: 6 am 43°C.
Chance of precipitation
Highest chance: 9 pm 2%.
Hourly weather forecast
- 12 am
- 50°F
- Feels like:48°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphNNE 32°
- Humidity: 58%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 48°F
- Feels like:45°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphNE 37°
- Humidity: 59%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 46°F
- Feels like:41°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphNE 38°
- Humidity: 64%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 43°F
- Feels like:37°F
Mostly Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphNE 45°
- Humidity: 72%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:57 am
- 8 am
- 43°F
- Feels like:37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphNE 54°
- Humidity: 76%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 50°F
- Feels like:46°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphENE 69°
- Humidity: 65%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphE 90°
- Humidity: 50%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphESE 106°
- Humidity: 43%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphESE 116°
- Humidity: 42%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 64°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphESE 111°
- Humidity: 47%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:47 pm
- 8 pm
- 55°F
- Feels like:54°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphESE 108°
- Humidity: 63%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 52°F
- Feels like:48°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphESE 119°
- Humidity: 73%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, primarily dry and sunny and occasionally dull weather is expected.
The temperature will vary between the lowest temperature of 42.8°F and the highest temperature of 66.2°F. The warmest part of the day will be from 3 pm to 5 pm.
The day’s peak temperature will reflect September's norm of 76.3°F more than October's 58.6°F. The night temperature will be consistent with the standard October low of 42.4°F.
The temperature will vary between the lowest temperature of 42.8°F and the highest temperature of 66.2°F. The warmest part of the day will be from 3 pm to 5 pm.
The day’s peak temperature will reflect September's norm of 76.3°F more than October's 58.6°F. The night temperature will be consistent with the standard October low of 42.4°F.
Updated: Oct 18, 2026 @ 13:33:48 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Monday, sunny skies are in store, with excellent visibility.
Tomorrow, the maximum temperature will be 68°F, while the minimum temperature will be 42.8°F.
The maximum temperature will be uncommonly higher than the average highest temperature of 58.6°F in October. The lowest temperature will be in line with the average low of 42.4°F.
The maximum temperature will be uncommonly higher than the average highest temperature of 58.6°F in October. The lowest temperature will be in line with the average low of 42.4°F.
On Monday, in Fort Thompson, sunrise will be at 7:57 am and sunset at 6:47 pm (CDT).
In Fort Thompson, the length of the day tomorrow will be 10h and 50min.
