Rapid City 7-day weather forecast

Written by:
June 8, 2026
ESOlex // Shutterstock

Rapid City 7-day weather forecast

Stacker created the forecast for Rapid City, South Dakota using data from OpenWeather. This week's high is 101 °F on Monday, while the low is 64 °F on Friday. There are expected to be 4 sunny days and rain on 4 days this week.

NWS Rapid City SD has issued a heat advisory until Tuesday at 09:00 PM.

Monday, July 20

- High of 101 °F, low of 75 °F (19% humidity)
- Sunny with a 20% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 5:28 AM, sunset at 8:29 PM
1 / 6
Witaya Proadtayakogool // Shutterstock

Tuesday, July 21

- High of 93 °F, low of 69 °F (26% humidity)
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 5:29 AM, sunset at 8:29 PM
- First quarter moon
2 / 6
Alex Stemmer // Shutterstock

Wednesday, July 22

- High of 90 °F, low of 67 °F (38% humidity)
- Overcast with a 96% chance of rain (2 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 5:30 AM, sunset at 8:28 PM
3 / 6
alisalipa // Shutterstock

Thursday, July 23

- High of 72 °F, low of 65 °F (78% humidity)
- Overcast with a 100% chance of rain (16 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Light breeze (7 mph wind)
- Sunrise at 5:31 AM, sunset at 8:27 PM
4 / 6
AnnaElizabeth photography // Shutterstock

Friday, July 24

- High of 93 °F, low of 64 °F (46% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 5:32 AM, sunset at 8:26 PM
5 / 6
Deborah Kolb // Shutterstock

Saturday, July 25

- High of 101 °F, low of 76 °F (19% humidity)
- Fair with a 96% chance of rain (3 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 5:33 AM, sunset at 8:25 PM
6 / 6
Pablesku // Shutterstock

Sunday, July 26

- High of 98 °F, low of 77 °F (13% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Fresh breeze (23 mph wind)
- Sunrise at 5:34 AM, sunset at 8:24 PM

Trending Now