Violent crime is the sharpest risk to keep in mind at George Rogers Clark National Historical Park, with Knox County recording a violent crime rate of 380 per 100,000 residents in 2023 — well above the national average. The park sits within an urban Vincennes setting rather than a remote wilderness, meaning your group shares the surrounding neighborhood environment throughout your visit. Weather incidents are comparatively mild, though 13 thunderstorm wind events were logged in the county, with one tornado on record.
Because the crime exposure is tied to the urban context, park in well-lit, designated lots and avoid leaving valuables visible inside your vehicle. Plan your visit during daylight hours and stay within the maintained memorial grounds rather than wandering adjacent streets. If a thunderstorm rolls in — which can escalate quickly across the flat Indiana terrain — move inside the memorial building immediately rather than sheltering under trees near the open plaza.
Top recorded hazards in Knox County
County dataFrom NOAA Storm Events (2024). Counts of recorded incidents — not all occurred at this park.
- Thunderstorm Wind 13
- Hail 3
- Tornado 1
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About George Rogers Clark National Historical Park
The British flag would not be raised above Fort Sackville Feb. 25, 1779. At 10 A.M., the garrison surrendered to American Colonel George Rogers Clark. His American army, aided by French residents of the Illinois country, had marched through freezing floodwaters to gain this victory. The fort’s capture assured United States claims to the frontier, an area nearly as large as the original 13 states.
Weather
The weather in the area is quite typical for the Midwest. The average temperature for the winter months is in the mid 30s, but the summers can often be hot and humid with temperatures reaching into the 90s.