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NZUS99 KBOI 031455
TXTSFD
IDAHO STATE FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
855 AM MDT SUN MAY 3 2026
A GENERALLY WARM AND DRY PATTERN WILL PREVAIL ACROSS MOST OF IDAHO AS HIGH
PRESSURE BUILDS OVER THE REGION THIS WEEKEND AND RETURNS BY MID-WEEK.
TEMPERATURES WILL CLIMB 10 TO 20 DEGREES ABOVE SEASONAL NORMALS THROUGH MONDAY,
RESULTING IN ACCELERATED SNOWMELT IN THE MOUNTAINS. ISOLATED AFTERNOON SHOWERS
AND THUNDERSTORMS ARE POSSIBLE OVER SOUTHERN PORTIONS OF THE STATE AND THE
CENTRAL MOUNTAINS TODAY. A TRANSITION TO MORE UNSETTLED WEATHER FOR SOUTHERN
PORTIONS OF THE STATE BEGINS MONDAY AND TUESDAY AS A LOW PRESSURE SYSTEM MOVES
INLAND, BRINGING SCATTERED SHOWERS AND THUNDERSTORMS. THIS SHIFT WILL ALSO
INTRODUCE GUSTY WINDS TO THE SNAKE RIVER PLAIN AND SOUTHERN BASINS, WITH GUSTS
REACHING UP TO 35 MPH ON MONDAY AFTERNOON. EMERGENCY PLANNERS SHOULD ALSO BE
AWARE THAT AREA WATERWAYS REMAIN DANGEROUSLY COLD DESPITE THE WARM AIR
TEMPERATURES, POSING A HIGH RISK FOR COLD WATER SHOCK.
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