Area Forecast Discussion
Issued by NWS Missoula, MT

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FXUS65 KMSO 290922

Area Forecast Discussion
National Weather Service Missoula MT
322 AM MDT Mon May 29 2017

The Northern Rockies will continue to have warmer than normal
temperatures as high pressure moves over the region. Mostly dry
conditions will persist, with the exception of a few scattered
showers and thunderstorms over the high terrain in the afternoons.
As of the current forecast, it appears Tuesday will be one of the
hottest days of the year thus far.

On Wednesday, the high pressure ridge will begin to break down
and move east with a southwesterly flow taking over. An embedded
disturbance in this flow will set off scattered showers and
thunderstorms during the afternoon and evening. The lower part of
the atmosphere will initially be quite dry, so rainfall amounts
will be limited but strong, gusty winds will be possible with
stronger showers and storms. Additional disturbances and
increasing moisture levels will lead to more widespread showers
and thunderstorms Wednesday night into Thursday with wetting rains

Beyond Thursday, forecast models differ considerably on the finer
details but generally support an unsettled and slightly cooler
weather pattern into early next week. Most likely, a scattering of
showers and thunderstorms from time to time with seasonable to
slightly above normal temperatures expected.

Area rivers and streams will continue to run high and fast this
week. Use caution when venturing near swift moving water, water
temperatures remain quite cold.


.AVIATION...Warm and fair conditions are expected today. The
exception will be a few afternoon scattered showers and
thunderstorms may develop once again over the high terrain and
Continental Divide, but these showers are not expected to cause
much of an impact to TAF sites and will cease around sunset.



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