Fort Sisseton Historic State Park, SD

Home / Locations / South Dakota / Fort Sisseton Historic State Park, SD
Fort Sisseton State Park, in Marshall County, South Dakota: magazine, seen from the northeast.

Today’s Forecast:

☁
64°F
High: 64° | Low: 57°
Current Temperature
Partly Cloudy
Station: KBTN
Observed at: 8:30 pm CDT on 9/26/26
Wind: 9 mph | Humidity: 100%

Tonight:Patchy fog between 11pm and 1am, then areas of fog and a slight chance of rain showers. Mostly cloudy, with a low around 57. South southwest wind 3 to 10 mph. Chance of precipitation is 20%.
Sunday:Widespread fog before 10am. Mostly sunny, with a high near 69. North wind 5 to 9 mph.
Sunday Night:Mostly cloudy, with a low around 54. East wind 5 to 8 mph.

Featured Download

🧐 Adventure Bingo Game

Download the outdoor adventure Bingo game to keep kids engaged in the outdoors.

Today’s Report:

🥾 Hiking

Excellent
  100 /100

Excellent for hiking. High near 68°F. Low rain risk (4%). Light wind (9 mph).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 18/100
Not Recommended for hiking. High near 68°F. High rain probability (60%). Light wind (16 mph). Slight chance of thunderstorms.

⛺ Camping

Excellent
  100 /100

Excellent for camping. High near 68°F. Low rain risk (4%). Light wind (9 mph).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 17/100
Not Recommended for camping. High near 68°F. High rain probability (60%). Breezy winds (16 mph). Slight chance of thunderstorms.

🎪 Outdoor Events / Activities

Excellent
  100 /100

Excellent for outdoor events / activities. High near 68°F. Low rain risk (4%). Light wind (9 mph).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 17/100
Not Recommended for outdoor events / activities. High near 68°F. High rain probability (60%). Breezy winds (16 mph). Slight chance of thunderstorms.

About Fort Sisseton Historic State Park

Fort Sisseton Historic State Park is a northeast South Dakota destination for historic grounds, camping, events, prairie scenery, and nearby lake-country side trips.

Make the Most of a Fort Sisseton Historic State Park Day

Plan outdoor programs, campground time, and walking routes around wind, heat, storms, and chilly shoulder-season conditions.

Weather Tips for Fort Sisseton Historic State Park

  • Prairie wind, hot sun, thunderstorm timing, and cold-season exposure are the main weather factors around Fort Sisseton.
  • If thunder is in the forecast, prioritize exposed parks, event grounds, and longer trail routes early.
  • For campground days, check overnight lows, storm timing, wet ground, and how quickly shelter is available.
  • Strong prairie wind can change comfort quickly, especially in open parks, campgrounds, and event spaces.

Nearby Towns and Areas

This page can also be useful when planning outdoor time near:

  • Lake City
  • Sisseton
  • Sica Hollow State Park
  • Roy Lake
  • Enemy Swim Lake
  • Marshall County lakes

Plan Around the Conditions

Use the forecast to choose the best version of Fort Sisseton Historic State Park rather than forcing one itinerary. Match wind, rain timing, temperature, storms, water conditions, trail surfaces, and road conditions to the activity that gives your group the most comfortable day.

7-Day Forecast for Fort Sisseton Historic State Park

☁
64°F
High: 64° | Low: 57°
Current Temperature
Partly Cloudy
Station: KBTN
Observed at: 8:30 pm CDT on 9/26/26
Wind: 9 mph | Humidity: 100%
Sun 🌫
69° 54°
9%
Mon 🌧
68° 57°
16%
Tue 🌧
67° 51°
88%
Wed ⛅
69° 51°
3%
Thu ⛅
64° 46°
7%
Fri 🌧
63° 47°
15%
Sat ⛅
60° --°
10%

7-Day High Temperature Trend

69° Sun 68° Mon 67° Tue 69° Wed 64° Thu 63° Fri 60° Sat

7-Day Low Temperature Trend

54° Sun 57° Mon 51° Tue 51° Wed 46° Thu 47° Fri 50° Sat

📊 7-Day Outdoor Outlook

Good Fair Poor 100 Sun 100 Mon 93 Tue 100 Wed 100 Thu 100 Fri 100 Sat
Forecast data from the National Weather Service  |  Last Updated: September 26, 2026 9:41 pm CDT