South Dakota Weather Forecast
South Dakota weather: 62°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Summary
South Dakota is a state in United States. South Dakota is a US state with its capital at Pierre. It has a population of about 920.000. The capital is Pierre.
Right now it is 62°F (17°C) in South Dakota with clear. It feels like 63°F. Today runs from 60°F to 86°F. Chance of precipitation is 0%. Sightseeing conditions score 9.8/10 - excellent - go now.
The best time to visit South Dakota is June, July, August and September. The climate is continental. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 89°F, while January is the coldest with lows near 11°F.
Nearby highlights include Badlands National Park, Wind Cave National Park, Mount Rushmore and Custer State Park.
In plain terms. Today is about average for August. The forecast high of 86°F is in line with the 84°F typical for this month. The best window to be outside is roughly 9 AM to 12 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in South Dakota today at 10/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Active alerts for South Dakota
Derived from the forecast. No official alert feed is wired for this country yet.
Weather in South Dakota right now
Source: Open-Meteo. Updated 8:39 AM, Aug 22 local time.
See the South Dakota forecast by time range
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
16-day forecast for South Dakota
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Sat, Aug 22 | ☁️ Overcast | 86° / 60° | 0% | 7 mph | 7 |
| Sun, Aug 23 | ☁️ Overcast | 92° / 66° | 40% | 13 mph | 7 |
| Mon, Aug 24 | 🌧️ Rain | 96° / 68° | 40% · 0,3 in | 16 mph | 7 |
| Tue, Aug 25 | ☁️ Overcast | 94° / 70° | 13% | 17 mph | 7 |
| Wed, Aug 26 | ☀️ Clear sky | 87° / 67° | 3% | 15 mph | 7 |
| Thu, Aug 27 | 🌤️ Mainly clear | 89° / 65° | 29% | 10 mph | 7 |
| Fri, Aug 28 | 🌦️ Light drizzle | 91° / 66° | 29% · 0,0 in | 15 mph | 7 |
| Sat, Aug 29 | 🌦️ Light showers | 94° / 68° | 16% · 0,1 in | 20 mph | 6 |
| Sun, Aug 30 | 🌦️ Light showers | 89° / 70° | 20% · 0,1 in | 28 mph | 7 |
| Mon, Aug 31 | ☀️ Clear sky | 90° / 66° | 17% | 12 mph | 7 |
| Tue, Sep 1 | 🌤️ Mainly clear | 98° / 67° | 18% | 25 mph | 7 |
| Wed, Sep 2 | ☀️ Clear sky | 86° / 65° | 28% | 14 mph | 7 |
| Thu, Sep 3 | ☁️ Overcast | 96° / 67° | 16% | 19 mph | 7 |
| Fri, Sep 4 | 🌦️ Light drizzle | 102° / 73° | 24% · 0,0 in | 21 mph | 7 |
| Sat, Sep 5 | 🌦️ Light drizzle | 103° / 72° | 10% · 0,0 in | 25 mph | 7 |
| Sun, Sep 6 | ☀️ Clear sky | -- / -- | 13% | -- | — |
Climate in South Dakota month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 28° | 11° | 0,4 in | ★★☆☆☆ |
| February | 39° | 19° | 0,3 in | ★★☆☆☆ |
| March | 51° | 28° | 0,6 in | ★★★☆☆ |
| April | 58° | 38° | 2,9 in | ★★★☆☆ |
| May | 70° | 50° | 3,6 in | ★★★★☆ |
| June | 80° | 61° | 3,8 in | ★★★★☆ |
| July | 89° | 68° | 1,9 in | ★★★★★ |
| August | 84° | 65° | 2,0 in | ★★★★☆ |
| September | 80° | 60° | 1,8 in | ★★★★☆ |
| October | 64° | 45° | 1,5 in | ★★★★☆ |
| November | 47° | 31° | 0,7 in | ★★★☆☆ |
| December | 38° | 21° | 1,1 in | ★★☆☆☆ |
Climate type: Continental. Source: Open-Meteo archive (ERA5).
Weather map for South Dakota
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Air quality and pollen in South Dakota
Air quality: Open-Meteo (CAMS). US AQI scale.
Sun, twilight and moon
Golden and blue hour are the standard photographic approximation around sunrise and sunset.
Best time to visit South Dakota
Go in June, July, August and September. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
Weather by national park in South Dakota
2 national parks mapped in this atlas
Weather by attraction in South Dakota
1 attractions mapped in this atlas
Weather by state park in South Dakota
1 state and provincial parks mapped in this atlas
Explore South Dakota
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is South Dakota?
South Dakota is a state in United States. Its coordinates are 44.3683, -100.351. It lies in North America.
What is the weather like in South Dakota right now?
It is currently 62°F (17°C) with clear. Humidity is 86% and wind is 3 mph.
When is the best time to visit South Dakota?
June, July, August and September offer the most comfortable conditions in South Dakota, which has a continental climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is South Dakota in?
South Dakota observes America/Chicago (UTC-05:00). The local time is 8:39 AM.
How many people live in South Dakota?
South Dakota has a population of approximately 920.000.
What are the top things to do in South Dakota?
Popular options include Badlands National Park, Wind Cave National Park, Mount Rushmore, Custer State Park and Theodore Roosevelt National Park.
What places are in South Dakota?
South Dakota covers 4 places in this atlas, including Badlands National Park, Wind Cave National Park, Mount Rushmore and Custer State Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-states) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 22, 2026 at 8:39 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
