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Weather in Rapid City, South Dakota for April 2026

Your guide to Rapid City weather in April - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Rapid City during April is quite rare, with fewer than 2 snowy days on average.
    According to Rapid City snow forecast for April 2026, 2 snowy days are expected at the beginning of April. The first snowfall for April is expected in Tuesday, April 7.

    • Temperatures

  • The forecast for the first days of April 2026 in Rapid City predicts a temperature of 14.9 °F, which is slightly above the historical average.

  • In general, the average temperature in Rapid City at the beginning of April is 15.1 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 14.7 °F by the end of April.

    • Rain 🌧️

  • Rapid City experiences moderate rainfall in April, with an average of 9 rainy days and a total precipitation of 70.6 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
20
Dry days
Average rainy days
9
Rainy days
Average snowy days
1
Snow days
Average temperatures
14°/3°
Temperatures
Average wind speed
28 km/h
Avg max wind
Average humidity
60 %
Avg humidity

Rapid City Weather April

Move between months or click on a day
March
May
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
16°
2
Patchy rain possible
18°
3
Patchy rain possible
9°
4
Sunny
10°
5
Sunny
19°
6
Patchy rain possible
21°
7
Partly cloudy
13°
8
Patchy rain possible
5°
9
Patchy rain possible
6°
10
Sunny
17°
11
Partly cloudy
24°
12
Overcast
20°
13
Sunny
13°
14
Partly cloudy
10°
15
Sunny
21°
16
Overcast
23°
17
Moderate rain at times
14°
18
Overcast
6°
19
Sunny
12°
20
Cloudy
17°
21
Moderate or heavy rain shower
17°
22
Patchy rain possible
13°
23
Overcast
12°
24
Moderate or heavy rain shower
5°
25
Patchy rain possible
8°
26
Overcast
18°
27
Patchy rain possible
25°
28
Moderate or heavy rain shower
14°
29
Partly cloudy
20°
30
Cloudy
13°

Temperatures trend during April in Rapid City

See the weather trend as well as the moving average line

April weather in Rapid City day by day

Click on a date for more information
March May
Date Weather Temperatures Rain Snow More
Apr. 1 Sunny
Sunny
 16° /-3° 0 mm 0 cm
Apr. 2 Patchy rain possible
Patchy rain possible
 18° /6° 0.3 mm 0 cm
Apr. 3 Patchy rain possible
Patchy rain possible
 9° /1° 0.1 mm 0 cm
Apr. 4 Sunny
Sunny
 10° /-1° 0 mm 0 cm
Apr. 5 Sunny
Sunny
 19° /-1° 0 mm 0 cm
Apr. 6 Patchy rain possible
Patchy rain possible
 21° /3° 0.2 mm 0 cm
Apr. 7 Partly cloudy
Partly cloudy
 13° /2° 0 mm 0 cm
Apr. 8 Patchy rain possible
Patchy rain possible
 5° /1° 2.1 mm 0.5 cm
Apr. 9 Patchy rain possible
Patchy rain possible
 6° /-3° 0.1 mm 0 cm
Apr. 10 Sunny
Sunny
 17° /-4° 0 mm 0 cm
Apr. 11 Partly cloudy
Partly cloudy
 24° /6° 0 mm 0 cm
Apr. 12 Overcast
Overcast
 20° /12° 0 mm 0 cm
Apr. 13 Sunny
Sunny
 13° /5° 0 mm 0 cm
Apr. 14 Partly cloudy
Partly cloudy
 10° /0° 0 mm 0 cm
Apr. 15 Sunny
Sunny
 21° /0° 0 mm 0 cm
Apr. 16 Overcast
Overcast
 23° /4° 0 mm 0 cm
Apr. 17 Moderate rain at times
Moderate rain at times
 14° /0° 2.2 mm 0 cm
Apr. 18 Overcast
Overcast
 6° /0° 0 mm 0 cm
Apr. 19 Sunny
Sunny
 12° /-1° 0 mm 0 cm
Apr. 20 Cloudy
Cloudy
 17° /2° 0 mm 0 cm
Apr. 21 Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /4° 4.1 mm 0 cm
Apr. 22 Patchy rain possible
Patchy rain possible
 13° /4° 0.2 mm 0 cm
Apr. 23 Overcast
Overcast
 12° /3° 0 mm 0 cm
Apr. 24 Moderate or heavy rain shower
Moderate or heavy rain shower
 5° /3° 11.1 mm 0 cm
Apr. 25 Patchy rain possible
Patchy rain possible
 8° /3° 1.1 mm 0 cm
Apr. 26 Overcast
Overcast
 18° /5° 0.1 mm 0 cm
Apr. 27 Patchy rain possible
Patchy rain possible
 25° /8° 1.5 mm 0 cm
Apr. 28 Moderate or heavy rain shower
Moderate or heavy rain shower
 14° /5° 42 mm 0 cm
Apr. 29 Partly cloudy
Partly cloudy
 20° /2° 1.6 mm 0 cm
Apr. 30 Cloudy
Cloudy
 13° /8° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Rapid City in April is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Rapid City forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Rapid City in April - FAQ

What are the expected maximum and minimum temperatures in Rapid City during April?

Prepare for cooler days with highs just around 14° and colder nights, dipping below 3°.

How much rainfall should be expected in Rapid City during April?

Moderate rainfall is anticipated in Rapid City during April, with a total of 70.6 mm spread over approximately 9 days. Considering plans for rainy days is advisable.

Will it snow in Rapid City in April 2026?

Rapid City typically sees 0.87 cm of snowfall during April.

What are the typical wind conditions in Rapid City during April?

The average wind speed in Rapid City during April is 28 km/h, suggesting breezy to windy conditions, depending on your activities.

Rapid City snow forecast April 2026

Track daily snowfall levels and discover Rapid City’s snowy potential this April ❄️
On average, Rapid City sees 1 snowy days during April, with approximately 0.9 cm of total snowfall.

April rainfall patterns in Rapid City

Explore the daily rainfall trends and prepare for Rapid Citys April weather 💧
Typically, Rapid City has 9 rainy days in April with a total of 70.6 mm of rainfall.

UV exposure in Rapid City during April

Stay informed about UV levels for safe outdoor activities throughout the month of April ☀️

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Location coordinates Where is Rapid City?

Get accurate weather forecasts for Rapid City, located at latitude 44.081 and longitude -103.231. Stay updated with localized weather information tailored for Rapid City.

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