Weather Tomorrow in Rapid City, SD
Friday, May 22, 2026
Rain
Precip chance
95%
Wind
3-18 mph
Humidity
61%
Feels like
59–46°F
Rain forecast
Rain likely starts around 6 AM and may continue until 5 PM. Peak chance: 95% around 6 AM.
Data source: National Weather Service (NOAA) · Updated just now
Tomorrow by Hour
44°Temperature trend61°
| Time | Temp | Condition | Rain % | Wind | ||
|---|---|---|---|---|---|---|
| 6 AM☽ | 48°F | Light Rain | 95% | 12 mph N | ||
| 7 AM☽ | 48°F | Light Rain | 95% | 12 mph N | ||
| 8 AM☽ | 47°F | Light Rain | 95% | 12 mph N | ||
| 9 AM☽ | 46°F | Light Rain | 95% | 12 mph N | ||
| 10 AM☽ | 44°F | Light Rain | 95% | 12 mph N | ||
| 11 AM☽ | 44°F | Light Rain | 95% | 12 mph N | ||
| 12 PM | 44°F | Chance Light Rain | 51% | 12 mph NW | ||
| 1 PM | 46°F | Chance Light Rain | 51% | 13 mph NW | ||
| 2 PM | 48°F | Chance Light Rain | 51% | 14 mph NW | ||
| 3 PM | 50°F | Chance Light Rain | 51% | 16 mph NW | ||
| 4 PM | 52°F | Chance Light Rain | 51% | 16 mph NW | ||
| 5 PM | 55°F | Chance Light Rain | 51% | 17 mph NW | ||
| 6 PM | 56°F | Slight Chance Rain Showers | 23% | 18 mph NW | ||
| 7 PM | 57°F | Slight Chance Rain Showers | 23% | 17 mph NW | ||
| 8 PM | 59°F | Slight Chance Rain Showers | 23% | 16 mph NW | ||
| 9 PM | 61°F | Mostly Sunny | 1% | 16 mph NW | ||
| 10 PM | 61°F | Mostly Sunny | 1% | 15 mph N | ||
| 11 PM | 61°F | Mostly Sunny | 1% | 14 mph N | ||
| 12 AM☽ | 61°F | Mostly Clear | 2% | 13 mph N | ||
| 1 AM☽ | 58°F | Mostly Clear | 2% | 10 mph N | ||
| 2 AM☽ | 55°F | Partly Cloudy | 2% | 7 mph NW | ||
| 3 AM☽ | 52°F | Partly Cloudy | 2% | 3 mph NW | ||
| 4 AM☽ | 50°F | Partly Cloudy | 2% | 3 mph NW | ||
| 5 AM☽ | 48°F | Partly Cloudy | 2% | 3 mph W | ||
Precipitation Timeline
100%
50%
95%
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<20%20-50%50-70%>70%
What to Wear Tomorrow
Mild temperatures — a light layer should do
Clothing
- • T-shirt or long-sleeve
- • Light jacket (for morning/evening)
Footwear
Water-resistant shoes
Accessories
- • Umbrella
Conditions
High: 61°F
Low: 44°F
Wind: 3-18 mph
Rain: 95%
Rain expected around 6 AM — carry an umbrella.
Best Time to Be Outside Tomorrow
10 PM – 11 PM
Excellent conditions for outdoor activities (dry, comfortable temp, daylight)
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More for Rapid City, SD
- Will it rain tomorrow in Rapid City?
- What time will it rain tomorrow in Rapid City?
- Weather tomorrow by hour in Rapid City
- Heat index tomorrow by zip code near Rapid City
- Dew point tomorrow by zip code near Rapid City
- Wind chill tomorrow by zip code near Rapid City
- What to wear tomorrow in Rapid City
- Best time to be outside tomorrow in Rapid City
Forecast by ZIP in Rapid City
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Frequently Asked Questions
What is the weather forecast for tomorrow in Rapid City, SD?
Tomorrow in Rapid City: High of 61°F, Low of 44°F. Rain with 95% chance of precipitation. Wind 3-18 mph.
Will it rain tomorrow in Rapid City?
Rain likely starts around 6 AM and may continue until 5 PM. Peak chance: 95% around 6 AM.
What should I wear tomorrow in Rapid City?
With a high of 61°F and low of 44°F, check our "What to Wear" section above for specific clothing recommendations based on temperature, wind, and precipitation.
How accurate is this forecast?
Our forecasts come directly from the National Weather Service (NOAA), which provides some of the most accurate weather predictions available. Tomorrow forecasts are generally 80-90% accurate, with accuracy decreasing the further out you look. Data is refreshed every 30 minutes.