Weather forecast for tomorrowLetcher, SD
Weather forecast for tomorrow
Monday Oct 19, 2026
- 68°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 10mphE 93°
- Humidity: 57%
- UV index: 3
- Sunrise: 7:52 am CDT
- Sunset: 6:42 pm CDT
- details ▼
Tomorrow, on Monday, conditions will remain bright with clear skies.
A wide temperature range is predicted, from a high of a delightful 68°F to a low of an icy 41°F.
The expected high of 68°F appears seasonally off, better matching September's typical values.
Sunrise will be at 7:52 am and sunset at 6:42 pm; tomorrow's daylight will last for 10h and 50min.
A wide temperature range is predicted, from a high of a delightful 68°F to a low of an icy 41°F.
The expected high of 68°F appears seasonally off, better matching September's typical values.
Sunrise will be at 7:52 am and sunset at 6:42 pm; tomorrow's daylight will last for 10h and 50min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 66°C.
Coldest hour: 6 am 41°C.
Coldest hour: 6 am 41°C.
Chance of precipitation
Highest chance: 3 am - 6 am 5%.
Hourly weather forecast
- 12 am
- 48°F
- Feels like:45°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphNE 39°
- Humidity: 73%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 45°F
- Feels like:41°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphNE 35°
- Humidity: 81%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 41°F
- Feels like:37°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphNNE 30°
- Humidity: 87%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 41°F
- Feels like:36°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphNNE 33°
- Humidity: 88%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:52 am
- 8 am
- 41°F
- Feels like:36°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphNE 40°
- Humidity: 87%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 48°F
- Feels like:46°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphENE 72°
- Humidity: 70%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 59°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphE 94°
- Humidity: 51%
- 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: 8mphESE 108°
- Humidity: 42%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphSE 126°
- Humidity: 39%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 64°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphSE 125°
- Humidity: 46%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:42 pm
- 8 pm
- 55°F
- Feels like:54°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphSE 126°
- Humidity: 60%
- 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: 7mphSE 132°
- Humidity: 74%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, primarily dry and sunny and occasionally gloomy weather is anticipated.
The temperature will be between a minimum of 39.2°F and a maximum of 66.2°F. The warmest part of the day will be from 3 pm to 5 pm.
The temperature will feel more consistent with September's average high than the expected maximum for October. The expected low will be resembling the average minimum in October, which is 42.1°F.
The temperature will be between a minimum of 39.2°F and a maximum of 66.2°F. The warmest part of the day will be from 3 pm to 5 pm.
The temperature will feel more consistent with September's average high than the expected maximum for October. The expected low will be resembling the average minimum in October, which is 42.1°F.
Updated: Oct 18, 2026 @ 15:48:23 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, expect sunny weather with a crisp, clear sky.
Tomorrow, the highest temperature will be 68°F, while the lowest temperature will be 41°F.
The maximum temperature will be uncommonly higher than the average highest temperature of 58.5°F in October. The lowest temperature will be in line with the average low of 42.1°F.
The maximum temperature will be uncommonly higher than the average highest temperature of 58.5°F in October. The lowest temperature will be in line with the average low of 42.1°F.
On Monday, in Letcher, sunrise will be at 7:52 am and sunset at 6:42 pm (CDT).
Tomorrow, the daylight will last for 10h and 50min.





