World > North America > United States > South Dakota > Castle Rock  

Castle Rock, SD Weather Forecast

Feedback E-mail the Weather

Quick Weather Clicks

Castle Rock, SD Weather Forecast

Current Conditions

Settings
Castle Rock SD weather - Clear - 68°F
Clear
68°F
Updated 10:59 pm
Feels Like 66°F
Humidity 22%
Wind N 0 mph
Barometer  29.83 in
Dew Point 28°F
Castle Rock SD weather - Clear - 20°C
Clear
20°C
Updated 10:59 pm
Feels Like 19°C
Humidity 22%
Wind N 0 km/h
Barometer  101 kPa
Dew Point -2°C
WX Settings

Castle Rock Weather Forecast

REST OF TONIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY
Castle Rock, SD Weather - Rest Of Tonight Partly Cloudy Castle Rock, SD Weather - Friday Clearing Castle Rock, SD Weather - Friday Night Chance Of T-Storm Castle Rock, SD Weather - Saturday Chance Of Showers Castle Rock, SD Weather - Saturday Night Chance Of Showers Castle Rock, SD Weather - Sunday Chance Of Showers Castle Rock, SD Weather - Sunday Night Chance Of T-Storm Castle Rock, SD Weather - Monday Clearing Castle Rock, SD Weather - Monday Night Clear Castle Rock, SD Weather - Tuesday Partly Cloudy Castle Rock, SD Weather - Tuesday Night Chance Of Showers Castle Rock, SD Weather - Wednesday Chance Of Showers
Partly Cloudy Clearing Chance of T-Storm Chance of Showers Chance of Showers Chance of Showers Chance of T-Storm Clearing Clear Partly Cloudy Chance of Showers Chance of Showers
Lo: 59°FLo: 15°C Hi: 81°FHi: 27°C
 Lo: 49°FLo: 9°C Hi: 69°FHi: 21°C
 Lo: 45°FLo: 7°C Hi: 69°FHi: 21°C
 Lo: 49°FLo: 9°C Hi: 71°FHi: 22°C
 Lo: 41°FLo: 5°C Hi: 70°FHi: 21°C
 Lo: 45°FLo: 7°C Hi: 75°FHi: 24°C
POP: 20% POP: 20% POP: 50% POP: 20% POP: 60% POP: 30% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 942 PM MDT Thu Sep 10 2026 Castle Rock, SD Weather - WeatherWorld.com

Trending Headlines

Castle Rock Radar Loop

Use the map search tool if you want to place a location marker on the radar map...

Castle Rock Quick Facts

National Two Day Weather Forecast


E-mail the Castle Rock Weather Forecast

Voice your opinion or tell us about page issues...

Castle Rock Forecast Discussion

Meteorlogic Glosserator
Instant definitions for any meteorological term.

Issued: 1044 PM MDT Thu Sep 10 2026

Key Messages

  • Hot and dry conditions continue for most of the region today and Friday, before trending cooler and more moist for the weekend.
  • Elevated to near-critical fire weather conditions continue to result, with a RED FLAG WARNING now issued from Weston County down across the southwestern South Dakota plains/southern Black Hills Friday as increasing winds overlap the dry conditions.
  • Next organized storm system remains expected this weekend, with the best chance of showers Sunday night.

Discuss...