Yakima River (flow Model) 7 Day Fishing Forecast Outlook
Thinking of heading out to Yakima River (flow Model) At Umtanum 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 Yakima River (flow Model).
Thu 17th September, 2026 Weather Conditions For Yakima River (flow Model)
Temperature
During the day the maximum temperature will be 80°F with a min temperature of 62°F around Yakima River (flow Model) . The average temperature will be 69°F during the day.
Cloud Cover & Rain
You'll need a sun hat today if you head out to Yakima River (flow Model) as you'll be in the sun more often than not as coverage is only at 23%. 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 Yakima River (flow Model) on Thu 17th September will be from a north westerly direction which means fishing is optimal.
Wind Speed
With the wind forecasted at 2mph hardly a puff out there makes for a calm mirror like surface. With the wind so light less ripples in the water makes it more difficult to mask the line and lure on Yakima River (flow Model)
Winds may gust up to 3mph
Fri 18th September, 2026 Weather Conditions For Yakima River (flow Model)
Temperature
During the day the maximum temperature will be 80°F with a min temperature of 60°F around Yakima River (flow Model) . 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 Yakima River (flow Model) to fish today. With that level of cloud coverage in the sky there is a 0% 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 Yakima River (flow Model) on Fri 18th September will be from a southerly direction which means fishing is average.
Wind Speed
With the wind forecasted at 1mph hardly a puff out there makes for a calm mirror like surface. With the wind so light less ripples in the water makes it more difficult to mask the line and lure on Yakima River (flow Model)
Winds may gust up to 1mph
Sat 19th September, 2026 Weather Conditions For Yakima River (flow Model)
Temperature
During the day the maximum temperature will be 80°F with a min temperature of 60°F around Yakima River (flow Model) . The average temperature will be 71°F during the day.
Cloud Cover & Rain
Clouds are not your friends today as less than 50% cover at 40% but if over conditions are favourable still head out to Yakima River (flow Model) With that level of cloud coverage in the sky there is a 3% 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 Yakima River (flow Model) on Sat 19th September will be from a south easterly direction which means fishing is poor.
Wind Speed
With the wind forecasted at 3mph hardly a puff out there makes for a calm mirror like surface. With the wind so light less ripples in the water makes it more difficult to mask the line and lure on Yakima River (flow Model)
Winds may gust up to 3mph
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