Scientific Forecaster Discussion
Area forecast discussion
National Weather Service Pocatello Idaho
342 am MDT Thursday Oct 30 2014
Short term...today through Sunday.
Expect warmer temperatures and dry conditions through Friday
under upper level high pressure ridging. As a strong Pacific low
system approaches expect breezy to moderate southerly winds on
Friday. Winds increase even more late Saturday morning into
Saturday afternoon and continue through Saturday evening. A Wind
Advisory will likely be needed for the southern Highlands and
Snake River Plain with gusts of 40 to 45 miles per hour possible. The cold
front will move through Saturday afternoon bringing good
precipitation chances Saturday afternoon through Sunday. Cold air
moves in late Saturday afternoon into Sunday morning.
Temperatures will drop around 20 to 25 degrees from fridays
daytime high to sundays daytime high. Expect around 4 to 8 inches
of snow above 6000 feet. Snow of 2 to 4 inches is likely as low
as 500o feet. Snow on the valley floor cannot be ruled out at
this point particularly Sunday morning.
Long term...Sunday night through Thursday.
Storm system will be exiting the region Sunday night. Best chances
for precipitation will be over the eastern Highlands. Some residual
precipitation is possible into Monday. Expect cool weather for
Monday as high pressure builds into the region. Expect mainly zonal
flow for next week with some moisture trying to work into the region
from the Pacific. This will keep some low chance probability of precipitation in the central
mountains but no significant systems foreseen that could help aid
Aviation...high pressure will produce dry weather and relatively
light winds over the region through Friday.
Fire weather...high pressure will produce dry weather and mainly
light winds through Friday. A low pressure system will arrive for
the weekend and produce a good chance for rain and snow across the