Weather forecast for todayKeystone, SD

Weather forecast for today

Current condition 6:13 pm MDT

• 66°F
• Feels like:
  66°F

Clear

• Precipitation: 0"
• Wind: 5mphS 180°
• Humidity: 48%
• Dewpoint: 45°F
• Pressure: 29.82"Hg
• Visibility: 10mi
• UV index: 0
• details ▼

At the moment, the sky is a brilliant shade of blue with no cloud cover.
The temperature is a comfortable 66.2°F. The current temperature is a few degrees off the lowest expected temperature.

Thursday Oct 22, 2026

• min.
• 57°F

Partly Cloudy

• Precip. probability: 1%
• Precipitation: 0"
• Wind: 7mphSW 227°
• Humidity: 58%
• UV index: 0
• Sunrise: 7:17 am MDT
• Sunset: 5:58 pm MDT
• details ▼

For the rest of Thursday, a partly cloudy sky is anticipated.
The lowest predicted temperature is a moderate 57.2°F.
Sunrise was at 7:17 am and sunset at 5:58 pm; the daylight lasted for 10h and 41min.

Hourly overview

Hourly weather forecast

• 7 pm

• 64°F
• Feels like:
  64°F

Mostly Clear

• Precip. probability: 1%
• Precipitation: 0"
• Wind: 4mphSW 221°
• Humidity: 52%
• Pressure: 29.83"Hg
• Visibility: 10mi
• UV index: 0
• details ▼

• 8 pm

• 61°F
• Feels like:
  61°F

Mostly Clear

• Precip. probability: 1%
• Precipitation: 0"
• Wind: 4mphSW 221°
• Humidity: 55%
• Pressure: 29.83"Hg
• Visibility: 10mi
• UV index: 0
• details ▼

• 9 pm

• 61°F
• Feels like:
  61°F

Partly Cloudy

• Precip. probability: 0%
• Precipitation: 0"
• Wind: 6mphSW 231°
• Humidity: 55%
• Pressure: 29.83"Hg
• Visibility: 10mi
• UV index: 0
• details ▼

• 10 pm

• 61°F
• Feels like:
  59°F

Mostly Cloudy

• Precip. probability: 0%
• Precipitation: 0"
• Wind: 7mphSW 233°
• Humidity: 57%
• Pressure: 29.8"Hg
• Visibility: 10mi
• UV index: 0
• details ▼

• 11 pm

• 61°F
• Feels like:
  59°F

Mostly Cloudy

• Precip. probability: 1%
• Precipitation: 0"
• Wind: 6mphWSW 237°
• Humidity: 58%
• Pressure: 29.8"Hg
• Visibility: 10mi
• UV index: 0
• details ▼

• 12 am

• 59°F
• Feels like:
  59°F

Partly Cloudy

• Precip. probability: 1%
• Precipitation: 0"
• Wind: 7mphSW 232°
• Humidity: 61%
• Pressure: 29.77"Hg
• Visibility: 10mi
• UV index: 0
• details ▼

• 1 am

• 59°F
• Feels like:
  57°F

Partly Cloudy

• Precip. probability: 0%
• Precipitation: 0"
• Wind: 7mphSW 230°
• Humidity: 61%
• Pressure: 29.74"Hg
• Visibility: 10mi
• UV index: 0
• details ▼

• 2 am

• 59°F
• Feels like:
  59°F

Partly Cloudy

• Precip. probability: 0%
• Precipitation: 0"
• Wind: 7mphSW 226°
• Humidity: 59%
• Pressure: 29.74"Hg
• Visibility: 10mi
• UV index: 0
• details ▼

• 3 am

• 59°F
• Feels like:
  59°F

Mostly Cloudy

• Precip. probability: 0%
• Precipitation: 0"
• Wind: 7mphSW 223°
• Humidity: 60%
• Pressure: 29.71"Hg
• Visibility: 10mi
• UV index: 0
• details ▼

• 4 am

• 59°F
• Feels like:
  59°F

Mostly Cloudy

• Precip. probability: 0%
• Precipitation: 0"
• Wind: 6mphSW 217°
• Humidity: 61%
• Pressure: 29.68"Hg
• Visibility: 10mi
• UV index: 0
• details ▼

During the evening and for the rest of the night, expect mostly cloudy skies.
The temperature will be between a maximum of 64.4°F and a minimum of 60.8°F.

Updated: Oct 23, 2026 @ 00:13:36 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

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