South Dakota Weather Forecast
South Dakota weather: 39°F, drizzle. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Will it rain in South Dakota?
Yes - rain is likely in South Dakota today.
A 88% chance means rain is expected over most of the area. Plan indoor alternatives. Around 0,4 in is forecast, which is enough to soak trails and slow traffic.
Over the next 7 days, about 1,0 in of precipitation is forecast, with the wettest days falling on Sun and Mon.
The next 7 days carry about 3 times a normal week's rain for October (1,0 in against 0,3 in).
16-day forecast for South Dakota
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Sun, Oct 25 | 🌨️ Light snow | 47° / 35° | 88% · 0,4 in | 10 mph | 0 |
| Mon, Oct 26 | 🌨️ Light snow | 41° / 36° | 78% · 0,6 in | 12 mph | 1 |
| Tue, Oct 27 | ☁️ Overcast | 59° / 37° | 3% | 18 mph | 4 |
| Wed, Oct 28 | ☁️ Overcast | 64° / 49° | 4% | 14 mph | 4 |
| Thu, Oct 29 | ☀️ Clear sky | 62° / 46° | 1% | 13 mph | 4 |
| Fri, Oct 30 | ☁️ Overcast | 53° / 38° | 18% | 13 mph | 3 |
| Sat, Oct 31 | ☁️ Overcast | 62° / 46° | 26% | 13 mph | 3 |
| Sun, Nov 1 | ☁️ Overcast | 69° / 49° | 30% | 15 mph | 3 |
| Mon, Nov 2 | ☁️ Overcast | 62° / 48° | 43% | 26 mph | 3 |
| Tue, Nov 3 | ☁️ Overcast | 58° / 44° | 37% | 13 mph | 3 |
| Wed, Nov 4 | ☁️ Overcast | 50° / 46° | 19% | 18 mph | 1 |
| Thu, Nov 5 | ☁️ Overcast | 69° / 45° | 11% | 15 mph | 3 |
| Fri, Nov 6 | ☁️ Overcast | 72° / 54° | 4% | 13 mph | 3 |
| Sat, Nov 7 | 🌦️ Light drizzle | 59° / 43° | 12% · 0,0 in | 20 mph | 2 |
| Sun, Nov 8 | ☁️ Overcast | 52° / 36° | 14% | 17 mph | 3 |
| Mon, Nov 9 | ☁️ Overcast | 62° / 45° | 14% | 17 mph | 3 |
What this means for South Dakota
Today is much colder than average for October. The forecast high of 47°F is 17.3°F below the 64°F typical for this month.
A 88% chance means rain is expected over most of the area. Plan indoor alternatives. Around 0,4 in is forecast, which is enough to soak trails and slow traffic.
Wet roads are likely; braking distances roughly double in heavy rain.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 91°F.
What to pack, what to skip
- A warm mid-layer and gloves for early mornings and evenings
- A packable rain shell - 2 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
See the South Dakota forecast by time range
South Dakota weather - more answers
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 39°F (4°C) with drizzle. Humidity is 90% and wind is 8 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 3:35 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 October 26, 2026 at 3:35 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
