Montana Fish, Wildlife & Parks reported a potential nonviable invasive mussel larva found in Whitefish Lake, prompting further monitoring. Follow-up tests showed no live mussels or mussel DNA. Continuous sampling is planned, while boaters are encouraged to clean and inspect their watercraft to prevent possible infestations.

Winter isn’t letting go yet—Whitefish Lake remains locked up with lake trout cruising deep structure, while the Flathead River rewards anglers who time it right. Here’s what’s producing now, from white tubes tipped with cutbait on the ice to nymphs and streamers in late-winter river water.