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Cedar River National Grassland

Keldron, North Dakota · Sioux County · Facility

Cedar River National Grassland is located in Sioux County and Grant County in southern North Dakota, United States. It has a land area of 6,717 acres (2,718 ha). The portion in Sioux County lies within the Standing Rock Indian Reservation. Within the grassland are topographic features such as level plains and rolling h…

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45.95520, -101.84430
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5-Day Forecast

Weather at Cedar River National Grassland

Live forecast for the park. Plan your visit accordingly.

Avg High74°F
Avg Low54°F
Peak Rain Chance40%
Humidity74%
UV (avg)7
Air Quality39 · Good
Today
🌫
Fog
71°/60°
💧 13%🌬 20mph
5:01 AM8:28 PM
Sun
🌧
Rain
75°/57°
💧 19%🌬 21mph
5:00 AM8:29 PM
Mon
☁️
Overcast
74°/51°
💧 2%🌬 15mph
5:00 AM8:30 PM
Tue
🌧
Rain Showers
77°/56°
💧 40%🌬 13mph
4:59 AM8:31 PM
Wed
🌦
Drizzle
73°/48°
💧 26%🌬 10mph
4:59 AM8:32 PM

Forecast data © Open-Meteo. Refreshed every 6 hours. Always check the most recent forecast before heading out.

About Cedar River National Grassland

Cedar River National Grassland is located in Sioux County and Grant County in southern North Dakota, United States. It has a land area of 6,717 acres (2,718 ha). The portion in Sioux County lies within the Standing Rock Indian Reservation. Within the grassland are topographic features such as level plains and rolling hills. Dry streams and some small flowing streams exist throughout the grasslands.The grassland is administered by the Forest Service as part of the Dakota Prairie Grasslands from offices in Bismarck, North Dakota. There are local ranger district offices (shared with Grand River National Grassland) in Lemmon, South Dakota.

Plan Your Visit to Cedar River National Grassland

Heading to Cedar River National Grassland? A few things to know before you go:

  • Reservations: popular sites fill up fast — check Recreation.gov 6 months in advance
  • Fees: day-use and camping fees vary; check current rates on the official park page
  • Trash & pack-out: follow Leave No Trace principles
  • Wildlife: store food in bear boxes where provided; never feed wildlife
  • Weather: the 5-day forecast above is updated every 6 hours; verify just before you go

Frequently Asked Questions

Do I need a reservation for Cedar River National Grassland?

No central reservation system listed for Cedar River National Grassland. Check the official page (https://www.recreation.gov/camping/campgrounds/246794) for the latest entry policy and availability.