658
FXUS65 KMSO 051935
AFDMSO
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MISSOULA MT
135 PM MDT TUE MAY 5 2026
DISCUSSION
KEY MESSAGES:
- WARMING FOR THE REMAINDER OF THE WORK WEEK
- SHOWERS AND POSSIBLE THUNDERSTORMS WEDNESDAY NIGHT INTO
THURSDAY FOR NORTHWEST MONTANA
- A WEAK DISTURBANCE ON SATURDAY CAUSING SLIGHTLY COOLER
TEMPERATURES AND POTENTIAL OF LIGHT SHOWERS NEAR GLACIER NP
NORTHEASTERLY WINDS WILL BE STEADILY DECREASING OVER THE REGION
TODAY THROUGH THIS EVENING AS A RIDGE OF HIGH PRESSURE BUILDS OVER
THE REGION. THIS RIDGE WILL BRING WARMER AIR TO THE NORTHERN
ROCKIES FOR THE LATTER PART OF THE WORK WEEK AS TEMPERATURES WILL
BE RUNNING AROUND 5 DEGREES ABOVE SEASONAL AVERAGES.
A DISTURBANCE IS EXPECTED TO PASS OVER THE TOP OF THE RIDGE
WEDNESDAY NIGHT INTO THURSDAY CAUSING SCATTERED SHOWER AND
POSSIBLE THUNDERSTORMS TO NORTHWEST MONTANA. THE OVERNIGHT HOURS
HAVE THE BEST CHANCE FOR CONVECTION THEN THE SHOWERS WILL LINGER
ALONG THE CONTINENTAL DIVIDE BY THURSDAY AFTERNOON.
ANOTHER WEAK DISTURBANCE APPEARS TO SLIDE OVER THE TOP OF THE
RIDGE ON SATURDAY CAUSING SLIGHTLY COOLER TEMPERATURES AND LOW
PROBABILITY OF SHOWERS NEAR GLACIER NATIONAL PARK.
AVIATION
MID TO HIGH LEVEL LEVEL CLOUDS WILL CONTINUE ALONG THE
CONTINENTAL DIVIDE THROUGH THIS EVENING. WHILE TERRAIN DRIVEN
CUMULUS WILL AFFECT THE REMAINDER OF THE NORTHERN ROCKIES THIS
AFTERNOON INTO EARLY EVENING. THE NORTHEAST WINDS ARE EXPECTED TO
DIMINISH DURING THE EVENING HOURS AS A RIDGE OF HIGH PRESSURE
BUILDS OVER THE REGION.
MSO WATCHES/WARNINGS/ADVISORIES
MT...NONE.
ID...NONE.
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