496
FXUS65 KPIH 300809
AFDPIH
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
209 AM MDT TUE JUN 30 2026
KEY MESSAGES
- WARMING AND DRYING TREND NOW THROUGH THE HOLIDAY WEEKEND.
TEMPERATURES NEAR NORMAL BY THURSDAY.
- AFTERNOON AND EVENING THUNDERSTORMS TODAY AND WEDNESDAY NEARLY
EVERYWHERE IN EASTERN IDAHO, THEN THE ID-WY BORDER REGION FOR
THURSDAY.
- BREEZY AFTERNOON ON FRIDAY, OTHERWISE LIGHT WIND.
DISCUSSION
ISSUED AT 144 AM MDT TUE JUN 30 2026
TUE THROUGH THU NIGHT...A TROUGH IN THE PACIFIC NORTHWEST WILL
TRIGGER SHOWERS AND THUNDERSTORMS MAINLY THIS AFTERNOON AND
EVENING. BEST PRECIPITATION AMOUNTS SHOULD OCCUR IN THE CENTRAL
IDAHO MOUNTAINS, AND GENERALLY BETTER IN THE NORTH HALF OF THE
FORECAST AREA THAN IN THE SOUTH HALF. THE TROUGH IS SLOWLY
MOVING AND WILL MOVE INTO WESTERN IDAHO DURING THE DAY WED, AND
THROUGH EASTERN IDAHO WED NIGHT. THIS WILL MEAN A CONTINUED RISK
OF LIGHT PRECIPTATION AND THUNDERSTORMS. BY THU, THE TROUGH HAS
PASSED. CLEARER SKIES MEANS WARMING TO NEAR NORMAL WITH
DIMINISHING THREAT OF THUNDERSTORMS AND SHOWERS, MAINLY LIMITED
TO THE EASTERN HALF OF THE OF THE FORECAST AREA.
FRI THROUGH MON...THE RISK OF THUNDERSTORMS DIES OUT JUST IN
TIME FOR INDEPENDENCE DAY. TEMPERATURES WILL BE RIGHT AROUND
NORMAL, WHICH IS LOWER TO MIDDLE 80S IN THE SNAKE RIVER
PLAIN/EASTERN MAGIC VALLEY, 70S TO AROUND 80 FOR THE MOUNTAINS
AND HIGHLANDS. TEMPERATURES START TO SOAR SUN WITH SOME LOWER
ELEVATIONS SURPASSING 90 DEGREES. SHOWERS AND THUNDERSTORMS
DON'T RETURN UNTIL MON AFTERNOON.
AVIATION /06Z TAFS THROUGH 06Z WEDNESDAY/
ISSUED AT 1022 PM MDT MON JUN 29 2026
THERE HAS BEEN SOME CLEARING OVER OUR SOUTHERN AREAS THIS
EVENING. CLOUDS AND LIGHT SHOWERS CONTINUE FOR OUR NORTHERN
AREAS WITH VICINITY SHOWERS EXCEPTED FOR IDA AND DIJ THE NEXT
COUPLE OF HOURS. VFR CONDITIONS ARE EXPECTED TO CONTINUE. WINDS
HAVE DROPPED OFF FOR ALL SITES. CLOUDS WILL LIKELY BE FEW TO
SCT IN THE MID-LEVELS FOR PIH AND BYI THIS EVENING AND BKN FOR
SUN, IDA, AND DIJ IN THE MID-LEVELS THIS EVENING INTO TOMORROW
MORNING. HOWEVER, LOW-LEVEL CLOUDS ARE POSSIBLE FOR IDA AND DIJ
BRINGING MVFR CONDITIONS TOMORROW EARLY MORNING BUT ARE NOT THAT
LIKELY.
MODELS SHOW THE BEST CHANCE OF SHOWERS TOMORROW IS OVER THE
CENTRAL MOUNTAINS. SUN HAS THE BEST CHANCE OF VCSH. MODELS SHOW
VERY LIGHT SHOWERS DEVELOPING WELL SOUTH OF ALL THE OTHER TAF
SITES. SO, HAVE TAKEN OUT VCSH FOR ALL TAF SITES EXCEPT KSUN.
THERE IS CLOSE TO A 30 PERCENT CHANCE OF AFTERNOON THUNDERSTORMS
FOR SUN TOMORROW BUT HAVE HELD OFF ON A PROB 30 FOR TSTMS FOR
SUN DUE TO COMPUTER MODEL DIFFERENCES THE LAST COUPLE OF MODEL
RUNS. WINDS WILL BE SLIGHTLY BREEZY TOMORROW AFTERNOON WITH
GUSTS OF 15 TO 20 KTS, BUT MAINLY FOR IDA AND PIH.
FIRE WEATHER
ISSUED AT 144 AM MDT TUE JUN 30 2026
AFTERNOON/EVENING SHOWERS AND THUNDERSTORMS CONTINUE THROUGH FRI
AFTERNOON, ALTHOUGH BY THEN IT WILL MAINLY BE IN SOUTHERN AND
EASTERN HIGHLANDS. THE HOLIDAY SHOULD BE WARM, DRY, AND QUIET
WIND-WISE, WITH NO THREAT OF THUNDERSTORMS OR ANY PRECIPITATION.
THE ONLY SIGNIFICANT WIND WILL BE ON FRI AFTERNOON, WHEN
TEMPERATURES ARE STILL NEAR NORMAL FOR THE TIME OF YEAR. SHOWERS
AND THUNDERSTORMS RETURN AFTER THE HOLIDAY WEEKEND IS OVER, ON
MON.
PIH WATCHES/WARNINGS/ADVISORIES
NONE.
DISCUSSION...MESSICK
AVIATION...TW
FIRE WEATHER...MESSICK
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