Area Forecast Discussion
Issued by NWS Pocatello, ID

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
000
FXUS65 KPIH 230954
AFDPIH

Area Forecast Discussion
National Weather Service Pocatello ID
354 AM MDT MON MAY 23 2016

.SHORT TERM...Today through Thursday. The long wave trough will
remain over Southeast Idaho through the period allowing for
showers and afternoon thunderstorms over the area. Today the upper
level low over Canada will weaken and move slightly East. With
limited cloud cover and remaining cool temperatures expect a good
chance of frost overnight. The frost advisory has been continued
for the snake river plain through this morning. Only expect
isolated mountain showers and thunderstorms this afternoon.
Tuesday a trough moves into the area bringing additional
instability and moisture. Look for Scattered showers and afternoon
isolated thunderstorms across the area Tuesday through Thursday.
Daytime temperatures will start today around 5 degrees below
normal and will be slightly cooler...5 to 10 degrees below
normal...Tuesday through Thursday. Wyatt

.LONG TERM...Friday through Labor Day. Both models are in
agreement in bringing an upper level low over the area Friday
through Labor Day. This will result in continued cool temperatures
and good precipitation chances. Have kept scattered daytime
showers and isolated afternoon thunderstorms as well as nighttime
isolated showers in the forecast. Daytime temperatures will run 5
to 10 degrees below normal through the period. Wyatt

&&

.AVIATION...A weakening upper low over the Pac NW today will result
in a few aftn showers/tstms mainly over the mtns. Only slight
chances at the TAF sites. Gusty SW winds expected this aftn across
the upper Snake River Plain. Otherwise...VFR conditions expected to
prevail. Hedges

&&

.FIRE WEATHER...A weak upper low will remain over the Pac NW through
mid week. This results in scattered showers and isolated
thunderstorms over the mountains and isolated activity in the
valleys. Temperatures will remain on the cool side. A stronger upper
low is expected to move into the Pac NW later in the week and remain
through the weekend. Showers and thunderstorms...along with cooler
temperatures will continue to be a threat. This will keep the
fire threat low. Hedges

&&

.PIH Watches/Warnings/Advisories...
Frost Advisory until 9 AM MDT this morning for IDZ017-020-021.

&&

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.