Yankton & Lewis and Clark Lake, SD

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Lewis and Clark Lake from Lewis and Clark State Recreation area near Yankton, South Dakota.

Today’s Forecast:

☀
36°F
High: 44° | Low: 23°
Current Temperature
Clear
Station: KYKN
Observed at: 10:20 am CST on 11/13/26
Wind: 6 mph | Humidity: 81%

Today:Sunny. High near 44, with temperatures falling to around 39 in the afternoon. East southeast wind 5 to 10 mph.
Tonight:Mostly clear, with a low around 23. Southeast wind around 5 mph.
Saturday:Mostly sunny, with a high near 43. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

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Today’s Report:

⛵ Boating

  12 /100

Not Recommended for boating. High near 43°F. Breezy winds (15 mph). Temperatures outside comfort limits (43°F).

  • Temp: Unfavorable weather factor
  • Rain: Favorable conditions
  • Wind: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 23/100
Not Recommended for boating. High near 34°F. Light wind (10 mph). Temperatures outside comfort limits (34°F).

⛺ Camping

Good
  75 /100

Good for camping. High near 43°F. Breezy winds (15 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 20/100
Not Recommended for camping. High near 34°F. Light wind (10 mph). Temperatures outside comfort limits (34°F).

🚲 Biking

  19 /100

Not Recommended for biking. High near 43°F. Breezy winds (15 mph). Temperatures outside comfort limits (43°F).

  • Temp: Unfavorable weather factor
  • Rain: Favorable conditions
  • Wind: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 20/100
Not Recommended for biking. High near 34°F. Light wind (10 mph). Temperatures outside comfort limits (34°F).

🐟 Fishing

Use Caution
  43 /100

Use Caution for fishing. High near 43°F. Breezy winds (15 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 22/100
Not Recommended for fishing. High near 34°F. Light wind (10 mph). Temperatures outside comfort limits (34°F).

About Yankton & Lewis and Clark Lake

Yankton & Lewis and Clark Lake is a southeast South Dakota destination for beaches, boating, campgrounds, bike routes, riverfront parks, and family weekends.

Make the Most of a Yankton Day

Use calm, dry windows for lake and bike plans, and keep town or campground options ready when wind, heat, or storms make exposed shoreline time less comfortable.

Weather Tips for Yankton & Lewis and Clark Lake

  • Lake wind, lightning, summer humidity, open-sun beaches, and campground storm timing are the main planning details.
  • Wind, waves, current, and lightning should guide water plans more than sunshine alone.
  • For campground days, check overnight lows, storm timing, wet ground, and how quickly shelter is available.
  • Have a shore-based backup ready when wind, waves, or storms make open water less comfortable.

Nearby Towns and Areas

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

  • Lewis and Clark Recreation Area
  • Gavins Point Dam
  • Missouri River
  • Chief White Crane Recreation Area
  • Crofton area

Plan Around the Conditions

Use the forecast to choose the best version of Yankton & Lewis and Clark Lake 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 Yankton & Lewis and Clark Lake

☀
36°F
High: 44° | Low: 23°
Current Temperature
Clear
Station: KYKN
Observed at: 10:20 am CST on 11/13/26
Wind: 6 mph | Humidity: 81%
Fri ☀
44° 23°
0%
Sat ⛅
43° 29°
0%
Sun ⛅
48° 33°
0%
Mon ☀
52° 39°
0%
Tue ⛅
52° 44°
0%
Wed ☁
58° 44°
12%
Thu 🌧
56° 40°
25%

7-Day High Temperature Trend

44° Fri 43° Sat 48° Sun 52° Mon 52° Tue 58° Wed 56° Thu

7-Day Low Temperature Trend

23° Fri 29° Sat 33° Sun 39° Mon 44° Tue 44° Wed 40° Thu

📊 7-Day Outdoor Outlook

Good Fair Poor 20 Fri 20 Sat 20 Sun 77 Mon 77 Tue 97 Wed 100 Thu
Forecast data from the National Weather Service  |  Last Updated: November 13, 2026 9:43 pm CST