. Based on annual weather averages for Flathead Lake, Lake, the best month to go for holiday is July and August.

Current conditions, warnings and historical records.


According to a news release by the University of Montana, “Woods Hole. umt. At over 27 miles long and with a maximum width of 15.

In addition to temperature, wind, humidity and pressure, we include data on the probability of precipitation so you can have all the information about your destination before your trip.

5 mi. . .

43° C. Flatheads put on 2-5 pounds a year between 3 and 8 years old.


3 mi.

Flathead Lake was one of 102 lakes across the globe that were subjects in a four-decade study of surface and deep-layer water temperatures. class=" fc-falcon">11.

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Aug 23, 2011 · by Sylvia Maye.

0 %: 29.

. . Average water temps in June are in the 60s, 70s in July and August, and then back down again in September.

Changes beneath the water surface, however, have been. 64° F). Water data back to 1909 are available online. Average. 8° C (49.

9" Hg: 1.

We’ve been seeing some really good Lake Trout trolling in the early mornings at McGregor Lake in about 60-80’ water. According to a news release by the University of Montana, “Woods Hole.

FLATHEAD LAKE – Over the last few decades, water scientists have noticed a rapid and consistent warming of surface temperatures.

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com brings you the most accurate monthly weather forecast for Polson, MT with average/record and high/low temperatures, precipitation and more.

For fly anglers – try hoppers and purple! McGregor Lake.

21° F).