Visitor levels at Isle Royale are sitting at about average for May. The main trailheads and viewpoints will have some company, but nothing unmanageable. It's cold out there at 39°F with foggy. Roads and trails at elevation may have ice or snow. Check conditions before heading out. The park service has posted 2 caution notices, mostly advisory, but worth reading before you go.
Last updated May 25, 2026 at 9:18 AM
The navigational buoy at Middle Islands Passage is off course. Use caution boating in this area until buoy can be re-set.
In response to wolves accessing human food and garbage in and around Rock Harbor and campgrounds located on the east end of the island, new food storage guidelines to ensure the safety of visitors and wildlife are in effect.
Predictions are being generated. Check back shortly.
| Day | Conditions | High / Low | Precip |
|---|---|---|---|
| Mon, May 25 | Foggy | 58°39° | 36% |
| Tue, May 26 | Light Drizzle | 74°53° | 16% |
| Wed, May 27 | Overcast | 59°42° | 2% |
| Thu, May 28 | Overcast | 56°44° | 0% |
| Fri, May 29 | Moderate Drizzle | 54°44° | 2% |
| Sat, May 30 | Clear Sky | 56°41° | 2% |
| Sun, May 31 | Overcast | 59°44° | 3% |
No recent reports for Isle Royale.