Rapid City 7-day weather forecast

Written by:
March 23, 2026
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Rapid City 7-day weather forecast

Stacker created the forecast for Rapid City, South Dakota using data from OpenWeather. This week's high is 92 °F on Monday, while the low is 48 °F on Monday. There are expected to be 2 sunny days and rain on 2 days this week.

NWS Rapid City SD has issued a red flag warning until Tuesday at 09:00 PM.

Monday, May 11

- High of 92 °F, low of 48 °F (11% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Fresh breeze (24 mph wind)
- Sunrise at 5:31 AM, sunset at 8:07 PM
1 / 6
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Tuesday, May 12

- High of 72 °F, low of 52 °F (25% humidity)
- Fair with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Fresh breeze (21 mph wind)
- Sunrise at 5:29 AM, sunset at 8:08 PM
2 / 6
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Wednesday, May 13

- High of 84 °F, low of 50 °F (28% humidity)
- Fair with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Fresh breeze (20 mph wind)
- Sunrise at 5:28 AM, sunset at 8:09 PM
3 / 6
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Thursday, May 14

- High of 89 °F, low of 63 °F (12% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 5:27 AM, sunset at 8:10 PM
4 / 6
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Friday, May 15

- High of 79 °F, low of 61 °F (35% humidity)
- Partly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Fresh breeze (22 mph wind)
- Sunrise at 5:26 AM, sunset at 8:12 PM
5 / 6
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Saturday, May 16

- High of 83 °F, low of 54 °F (40% humidity)
- Partly cloudy with a 100% chance of rain (2 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 5:25 AM, sunset at 8:13 PM
- New moon
6 / 6
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Sunday, May 17

- High of 66 °F, low of 48 °F (22% humidity)
- Partly cloudy with a 20% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Fresh breeze (20 mph wind)
- Sunrise at 5:24 AM, sunset at 8:14 PM

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