Live Weather & Forecast
Weather in Rapid City
South Dakota, United States · Real-time conditions & 3-day outlook
4°C
Feels like 2°C
40°F / Feels 36°F
Clear
Rapid City, South Dakota
🌙 Nighttime
Updated: 2026-04-14 04:30
Humidity
72%
Wind
8.6 km/h W
Wind Gust
18.1 km/h
Pressure
1009 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
-1°C
Wind Degree
262°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
159.9 μg/m³
NO₂
3.2 μg/m³
O₃
105 μg/m³
SO₂
1.8 μg/m³
PM 2.5
7.2 μg/m³
PM 10
16.1 μg/m³
Today's Hourly Forecast
24-hour breakdown for Rapid City, South Dakota
12 AM
9°
Clear
1 AM
8°
Clear
2 AM
7°
Clear
3 AM
6°
Clear
4 AM
4°
Clear
5 AM
5°
Clear
6 AM
5°
Clear
7 AM
6°
Sunny
8 AM
8°
Sunny
9 AM
11°
Sunny
10 AM
14°
Sunny
11 AM
17°
Sunny
12 PM
18°
Sunny
1 PM
19°
Sunny
2 PM
18°
Sunny
3 PM
17°
Cloudy
4 PM
18°
Partly Cloudy
5 PM
17°
Sunny
6 PM
16°
Overcast
7 PM
14°
Cloudy
8 PM
12°
Overcast
9 PM
12°
Overcast
10 PM
11°
Overcast
11 PM
10°
Partly Cloudy
3-Day Forecast
Daily overview for Rapid City, South Dakota
Today
Sunny
20°
/
5°
🌧️ 0% chance of rain
💧 Avg. humidity: 45%
💨 Max wind: 33.1 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.1
🌅 Sunrise: 06:11 AM
🌇 Sunset: 07:36 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Sunny
22°
/
8°
🌧️ 0% chance of rain
💧 Avg. humidity: 38%
💨 Max wind: 19.1 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:09 AM
🌇 Sunset: 07:38 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Sunny
24°
/
10°
🌧️ 0% chance of rain
💧 Avg. humidity: 34%
💨 Max wind: 39.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:07 AM
🌇 Sunset: 07:39 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Best Time to Visit Rapid City
Plan your trip to Rapid City, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Rapid City?
Current conditions in Rapid City: Clear, temperature 4°C, humidity 72%.
What is the best time to visit Rapid City?
The best time to visit Rapid City is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Rapid City?
Rapid City is located at approximately 44.1° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Rapid City?
The wettest period in Rapid City is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Rapid City?
For visits to Rapid City during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Rapid City in?
Rapid City is located in United States, in the state of South Dakota.
What are the public holidays in Rapid City in 2026?
View the 2026 public holidays for Rapid City on our Holidays page.
What are the GPS coordinates used for the weather forecast in Rapid City?
The weather forecast for Rapid City uses coordinates 44.0806, -103.228.