870
FXUS65 KPIH 290344
AFDPIH

Area Forecast Discussion
National Weather Service Pocatello ID
944 PM MDT Tue Apr 28 2026

.KEY MESSAGES...

- Cold overnight lows continue for the next couple of mornings
  with another FREEZE WARNING in effect for Wednesday morning
  for the Snake Plain and Arco Desert with a FROST ADVISORY for
  the eastern Magic Valley.

- The potential for showers and even a few thunderstorms
  persists through Thursday during the afternoon.

&&

.DISCUSSION...
Issued at 122 PM MDT Tue Apr 28 2026

Will have some rain showers with some graupel as well as high
elevation snow showers late this afternoon which will end this
evening as sunset approaches. Expect clearing overnight with
again freeze warnings in effect for the Snake River Plain and
Arco Desert as well as northern parts of the Eastern Magic
Valley. A frost advisory is in effect for the southern parts of
the eastern Magic Valley. High temperatures Wednesday will rise
slightly with some upper 50s to lower 60s in lower elevations
with 30s and 50s mountains. Will have a threat for afternoon
showers once again with some isolated thunderstorms as well. May
still see some near freezing low temperatures Wednesday night
but think may only need some frost advisories Thursday morning
as we start to see the warming trend take effect.

All lower elevations should reach into the 60s for highs on
Thursday with showers mainly limited to the southeast mountains.
Friday will be the likeliest day for a completely dry dry with
highs in lower elevations will above normal in the upper 60s to
lower 70s with mainly 60s mountains. Saturday through Tuesday
look extremely warm with high temperatures as much as 15 degrees
above normal with 70s throughout lower elevations and mainly
60s in the mountains. After another dry day Saturday the threat
for showers and isolated thunderstorms returns Sunday through
next Tuesday.

&&

.AVIATION /00Z TAFS THROUGH 00Z THURSDAY/...
Issued at 943 PM MDT Tue Apr 28 2026

VFR conditions forecast at all sites through the period. Winds are
trending light this evening with speeds forecast to remain under 6
kts overnight. Clouds are scattering with only FEW to SCT high level
clouds. Showers tomorrow afternoon will favor the northern terminals
and therefore have forecast VCSH at KSUN and KDIJ during this
timeframe. There is a less than 20 percent chance of showers
reaching far enough south to impact KIDA and have not included any
mention in the KIDA TAF. Northerly winds on Wednesday will remain
under 10 kts.

&&

.PIH WATCHES/WARNINGS/ADVISORIES...
Freeze Warning from 3 AM to 9 AM MDT Wednesday for IDZ051>054.
Frost Advisory from 3 AM to 9 AM MDT Wednesday for IDZ055.

&&

$$

DISCUSSION...GK
AVIATION...Cropp