Ha Ha Tonka State Park, MO

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Stone castle ruins above wooded hills at Ha Ha Tonka State Park
Stone castle ruins above wooded hills at Ha Ha Tonka State Park — Photo by Heath Cajandig, CC BY 2.0, via Wikimedia Commons.

Today’s Forecast:

☁
63°F
High: 83° | Low: 62°
Current Temperature
Cloudy
Station: KAIZ
Observed at: 5:35 am CDT on 9/26/26
Wind: 6 mph | Humidity: 88%
Overnight:Mostly cloudy, with a low around 62. Southeast wind around 1 mph.
Saturday:Partly sunny, with a high near 83. Southeast wind around 5 mph.
Saturday Night:Isolated rain showers between 8pm and 9pm, then isolated showers and thunderstorms between 10pm and 1am, then scattered showers and thunderstorms. Mostly cloudy, with a low around 61. Southeast wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
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Today’s Report:

🥾 Hiking

Excellent
  90 /100

Excellent for hiking. High near 78°F. Low rain risk (11%).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Fair 63/100
Fair for hiking. High near 82°F. Risk of rain (33%). Slight chance of thunderstorms.

About Ha Ha Tonka State Park

Ha ha tonka’s castle ruins, karst bridge, spring, bluff and trail system create different weather decisions within one practical trip.

Planning an Outing

Begin with karst flooding, slick stairs, bluff lightning, heat and closures. Check the exact facility notice before committing to this Ha Ha Tonka’s castle ruins, karst bridge, spring, bluff and trail system.

Destination-Specific Access

Do not attribute Lake of the Ozarks resort boating, camping or golf to this state park.

Weather Tips

  • Across Ha Ha Tonka’s castle ruins, karst bridge, spring, bluff and trail system, check official trail and road notices after heavy rain, strong wind or ice.

Nearby Towns and Areas

  • Castle Ruins
  • Natural Bridge
  • Ha Ha Tonka Spring
  • Camdenton

Adjust the Day to the Forecast

Choose the shorter route with the clearest exit options.

7-Day Forecast

☁
63°F
High: 83° | Low: 62°
Current Temperature
Cloudy
Station: KAIZ
Observed at: 5:35 am CDT on 9/26/26
Wind: 6 mph | Humidity: 88%
Sat ⛅
83° 61°
8%
Sun ⛈
83° 63°
39%
Mon ⛅
84° 65°
7%
Tue 🌧
85° 68°
40%
Wed ⛈
82° 68°
66%
Thu ⛈
82° 63°
60%
Fri ⛈
82° --°
37%

7-Day High Temperature Trend

83° Sat 83° Sun 84° Mon 85° Tue 82° Wed 82° Thu 82° Fri

7-Day Low Temperature Trend

61° Sat 63° Sun 65° Mon 68° Tue 68° Wed 63° Thu 50° Fri

📊 7-Day Outdoor Outlook

Good Fair Poor 20 Sat 18 Sun 20 Mon 19 Tue 4 Wed 4 Thu 18 Fri
Forecast data from the National Weather Service  |  Last Updated: September 26, 2026 6:47 pm CDT

Weather by Season

Winter

Freezing rain and rapid thaw can complicate heat and closures; verify the operating surface before committing to a full day.

Spring

Warm, humid air can arrive ahead of severe storms, making slick stairs the deciding factor for a spring outing.

Summer

Thunderstorms can change karst flooding faster than the daily temperature suggests; leave exposed terrain at the first warning.

Fall

Dry spells may improve surfaces until a cold front renews bluff lightning; carry layers and preserve an early turnaround option.

Key Climate Data Points

  • Local climate: This local planning area has an annual average temperature near 56–59°F, receives about 42–48 inches of precipitation and records typically 8–16 inches.
  • Wettest season: Spring.
  • Driest season: Late summer or early fall.
  • Annual average temperature: Near 56–59°f.
  • Annual snowfall: Typically 8–16 inches.