Area Forecast Discussion
Issued by NWS Pocatello, ID

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FXUS65 KPIH 202008
AFDPIH

Area Forecast Discussion
National Weather Service Pocatello ID
208 PM MDT Tue Jun 20 2017

.DISCUSSION...Very muggy day across the region (by western u.s.
standards). Seeing a few thunderstorms developing this afternoon.
Some gusty winds and small hail is possible near these storms.
Most storms should slowly diminish this evening although a couple
could persist into the overnight hours. The threat for storms is
less on Wednesday as the moisture retreats south and a cold front
pushes into the region. Slightly cooler air is expected for
Wednesday with noticeably cooler air arriving for late week. A
backdoor cold front will attempt to bring some showers to the
Island Park area on Friday but latest guidance has most of the
activity staying out of Idaho. Otherwise, looking for dry weather
to persist into early next week. Warmer temperatures will return
at that point as well.

Valle

&&

.AVIATION...TAF sites should remain VFR through the period with
breezy winds today and tomorrow, mainly in the afternoon, with a
weak cold front moving through this evening. There is a slight
chance of thunderstorms late this afternoon and evening. Some models
are suggesting thunderstorms could continue into tomorrow morning.
Wyatt

&&

.FIRE WEATHER...Today will be the hottest day of the week, but not
the driest. Moist air from the subtropics will interact with a weak
cold front and generate isolated showers and afternoon and evening
thunderstorms (and possible morning thunder as well) mainly over the
mountains and highlands. Look for an extended period of drying with
cooler temperatures in Northwest flow. It will also be windy in the
pre and post frontal regime with 20 to 30 mph possible particularly
today and tomorrow. The next threat for precipitation develops next
Tuesday afternoon. Wyatt

&&

.HYDROLOGY...Snowmelt continues to cause high flows. Several streams
and rivers across the central Idaho mountains continue to experience
flooding along with the Teton River near Driggs. Expect cooler
temperatures to arrive later in the week which will allow the
flooding to subside some. We are now past peak flow, so we may see
an end to flooding possibly within the next couple of weeks.

Valle

&&

.PIH WATCHES/WARNINGS/ADVISORIES...
None.
&&

$$


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