Great Falls Lake 7 Day Fishing Forecast Outlook
Thinking of heading out to Great Falls Lake over the next few days. If so get you'll find all your weather information you'll need over the next seven days. Please ensure to adhere to the fishing regulations for the state. Remember, regulations are there to protect fish species and enable fishing for generations to come. Determine which day is best for you the bag your best catch on Great Falls Lake.
Tue 28th July, 2026 Weather Conditions For Great Falls Lake
Temperature
During the day the maximum temperature will be 95°F with a min temperature of 74°F around Great Falls Lake. The average temperature will be 82°F during the day.
Cloud Cover & Rain
You'll need a sun hat today if you head out to Great Falls Lake as you'll be in the sun more often than not as coverage is only at 12%. With that level of cloud coverage in the sky there is a 4% probability of rain.
Wind Direction
I'm sure you've heard of the old sying: “Wind from the West, fish bite the best. Wind from the East, fish bite the least. Wind from the North, do not go forth. Wind from the
South blows bait in their mouth.”. It's more of a wife tail but always fun to recollect.
Its less so about the direction but the cause for the direction. We’ll cover this more in a blog post soon but for Great Falls Lake on Tue 28th July will be from a north westerly direction which means fishing is optimal.
Wind Speed
Good news, the wind speed is forecasted to be at 9mph and considered in the optimal range for fishing as the ripples caused by the wind on the water's surface will help hide the line an lure on Great Falls Lake
Winds may gust up to 13mph
Wed 29th July, 2026 Weather Conditions For Great Falls Lake
Temperature
During the day the maximum temperature will be 87°F with a min temperature of 65°F around Great Falls Lake. The average temperature will be 76°F during the day.
Cloud Cover & Rain
Bring a hat and sun cream, yip with cloud coverage at 1% you'll need to find an artifical shade to cast a shadow if headng out to Great Falls Lake to fish today. With that level of cloud coverage in the sky there is a 2% probability of rain.
Wind Direction
I'm sure you've heard of the old sying: “Wind from the West, fish bite the best. Wind from the East, fish bite the least. Wind from the North, do not go forth. Wind from the
South blows bait in their mouth.”. It's more of a wife tail but always fun to recollect.
Its less so about the direction but the cause for the direction. We’ll cover this more in a blog post soon but for Great Falls Lake on Wed 29th July will be from a north westerly direction which means fishing is optimal.
Wind Speed
Good news, the wind speed is forecasted to be at 7mph and considered in the optimal range for fishing as the ripples caused by the wind on the water's surface will help hide the line an lure on Great Falls Lake
Winds may gust up to 9mph
Thu 30th July, 2026 Weather Conditions For Great Falls Lake
Temperature
During the day the maximum temperature will be 83°F with a min temperature of 58°F around Great Falls Lake. The average temperature will be 70°F during the day.
Cloud Cover & Rain
Bring a hat and sun cream, yip with cloud coverage at 1% you'll need to find an artifical shade to cast a shadow if headng out to Great Falls Lake to fish today. With that level of cloud coverage in the sky there is a 1% probability of rain.
Wind Direction
I'm sure you've heard of the old sying: “Wind from the West, fish bite the best. Wind from the East, fish bite the least. Wind from the North, do not go forth. Wind from the
South blows bait in their mouth.”. It's more of a wife tail but always fun to recollect.
Its less so about the direction but the cause for the direction. We’ll cover this more in a blog post soon but for Great Falls Lake on Thu 30th July will be from a north easterly direction which means fishing is not great.
Wind Speed
Good news, the wind speed is forecasted to be at 7mph and considered in the optimal range for fishing as the ripples caused by the wind on the water's surface will help hide the line an lure on Great Falls Lake
Winds may gust up to 8mph
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