046 
FXUS65 KPIH 270309
AFDPIH

Area Forecast Discussion
National Weather Service Pocatello ID
909 PM MDT Mon Oct 26 2020

.UPDATE...

Satellite shows a healthy batch of mid level clouds extending from
Challis to Pocatello and southward to the Utah border. Updated
forecast to account for the clouds overnight. The clouds may have
an effect on lows, but unsure how much warmer as very few models 
are picking up on the cloud cover.

13

&&

.PREV DISCUSSION... /issued 132 PM MDT Mon Oct 26 2020/ 

SHORT TERM...Tonight through Wednesday night. A ridge of high 
pressure will hold firm over the NE Pacific through Wednesday night 
resulting in a "blocky" weather pattern across SE Idaho. Under the 
blocky pattern, we should expect to see a continuation of dry 
conditions with strong temperature inversions which may result in 
potential record or near record low temperatures across the region. 
Huston

LONG TERM...Thursday through Monday. Under the influence of weak 
high pressure, light winds and mild weather conditions will persist 
Thursday. Seasonal temperatures are forecast into the 50s and 
perhaps into the 60s for some. On Friday into Saturday, an almost 
non-impactful shortwave will pass eastward. Central Idaho, however, 
is likely to see an increase in winds by Friday resulting from this 
feature and there are some forecast models who feature precipitation 
in these areas as well. Over the weekend, winds calm back to light 
levels and temperatures are forecast into the 50s and 60s. ND

AVIATION...Light winds and VFR CIG and VIS will prevail this 
forecast period under high pressure. ND

FIRE WEATHER...
Extremely cold conditions will continue today with a moderating 
trend beginning Tuesday.   Temperatures will be above normal by 
Thursday through next weekend as a ridge moves in.  No precipitation 
is expected through next weekend. GK

AIR STAGNATION...Strong radiational inversions and light winds are 
expected to continue across the region throughout the next 72+hrs 
likely resulting in an uptick of accumulating particulate matter. 
After coordinating with DEQ, we will continue to monitor the 
situation without the need for an Air Stagnation Advisory at this 
time. Huston/ND

&&

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

$$