442
FXUS65 KPIH 090803
AFDPIH
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
203 AM MDT THU APR 9 2026
KEY MESSAGES
- WARMING UP TODAY AND FRIDAY.
- LOW CHANCE OF PRECIPITATION RETURNS THIS AFTERNOON ACROSS
SOUTHERN IDAHO.
- STRONGER PRECIPITATION AND THUNDERSTORM THREATS ARRIVE
STARTING FRIDAY AFTERNOON, INTENSIFYING OVER THE WEEKEND
AHEAD OF EARLY SUNDAY COLD FRONT.
DISCUSSION
ISSUED AT 201 AM MDT THU APR 9 2026
BUILDING PRESSURE OVERHEAD WILL ALLOW DAYTIME TEMPERATURES TO WARM
BY SEVERAL DEGREES TODAY AND AGAIN ON FRIDAY, BRINGING HIGHS TO
AROUND 15 TO 20 DEGREES ABOVE CLIMATOLOGICAL NORMAL, INTO THE MID-
70S ACROSS THE LOW ELEVATIONS. WEAK MOISTURE ASSOCIATED WITH AN
UPPER LOW OFF THE CA/OR COAST WILL BE FILTERED INTO ID IN SOUTHWEST
FLOW THROUGH EARLY NEXT WEEK, WITH POPS AND ISOLATED THUNDERSTORM
CHANCES INCREASING IN BOTH COVERAGE AND PROBABILITY THROUGH THE
WEEKEND. PROBABILITY OF THUNDER WILL ROUGHLY RANGE 15 TO 25 PERCENT
OVER THE COURSE OF THE WEEKEND. THE RIDGE OVER IDAHO WILL BE
FLATTENED COME SATURDAY AS A DESCENDING LOW MERGES WITH THE NOW OPEN
TROUGH AND THE SYSTEM SHIFTS FURTHER INLAND. 700MB WINDS WILL
INCREASE TO ROUGHLY 25 TO 35 KTS LATE FRIDAY THROUGH SATURDAY, WITH
THE NATIONAL BLEND INDICATING MAX WIND GUSTS RANGING 35 TO 45 MPH
BOTH SATURDAY AND SUNDAY. THE WEEKEND COLD FRONT WILL RESULT IN
SEASONABLE TEMPERATURES BEGINNING SUNDAY, BECOMING SLIGHTLY COOLER
THAN NORMAL EARLY NEXT WORK WEEK. WHILE SNOW LEVELS WILL INITIALLY
BE OVER 8,500 FEET, THEY WILL DROP TO AS LOW AS 5,500 FEET ON SUNDAY
AND MONDAY BEHIND THE COLD FRONT. NATIONAL BLEND 72-HOUR
PRECIPITATION THROUGH TUESDAY RANGES 0.30" TO 0.40" ACROSS THE SNAKE
RIVER PLAIN WITH AROUND HALF AN INCH TO 0.80" IN THE CENTRAL
MOUNTAINS, SOUTHERN HIGHLANDS, AND EASTERN MOUNTAINS. NBM SNOW
TOTALS RANGE 2 TO 7 INCHES IN THE CENTRAL MOUNTAINS, ALBION
MOUNTAINS, AND BEAR RIVER RANGE, WITH UP TO AROUND 5 INCHES IN THE
CENTENNIALS, CARIBOU RANGE, AND BIG HOLES.
AVIATION /00Z TAFS THROUGH 00Z FRIDAY/
ISSUED AT 914 PM MDT WED APR 8 2026
WINDS SHOULD BE LIGHT AT ALL SITES THROUGH THURSDAY WITH SUN
LIKELY SWITCHING FROM DOWNVALLEY TO UPVALLEY AROUND 18Z. A FEW
MID TO HIGH LEVEL CLOUDS WILL BE PASSING THROUGH THE REGION
THROUGH 18Z.
PIH WATCHES/WARNINGS/ADVISORIES
NONE.
DISCUSSION...CROPP
AVIATION...13
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