081
FXUS65 KMSO 180819
AFDMSO
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MISSOULA MT
219 AM MDT SAT APR 18 2026
DISCUSSION
KEY MESSAGES:
- WARMING AND DRYING TREND STARTS THIS WEEKEND AND LASTS THROUGH
EARLY NEXT WEEK.
- WIDESPREAD RAIN AND MUCH COOLER TEMPERATURES ARRIVE BY
WEDNESDAY.
HIGH PRESSURE WILL STRENGTHEN OVER THE REGION THIS WEEKEND, LEADING
TO A SIGNIFICANT WARMING TREND. TEMPERATURES WILL CLIMB STEADILY
EACH DAY, PEAKING ON TUESDAY. EXPECT AFTERNOON HIGHS IN THE 70S
AND 80S FOR MOST VALLEYS ON TUESDAY, WHICH IS ROUGHLY 20 DEGREES
WARMER THAN NORMAL FOR MID-APRIL.
A COLD FRONT IS EXPECTED TO MOVE THROUGH THE AREA ON WEDNESDAY,
BRINGING WIDESPREAD RAIN AND GUSTY WINDS. WHILE THE EXACT PATH OF
THE STORM SYSTEM FOR THURSDAY AND FRIDAY REMAINS UNCERTAIN,
RESIDENTS SHOULD PREPARE FOR MUCH COOLER TEMPERATURES AND
CONTINUED SHOWERY WEATHER THROUGH THE END OF NEXT WEEK.
AVIATION
HIGH PRESSURE WILL SETTLE OVER THE AREA THROUGH THE
WEEKEND, LEADING TO GENERALLY CLEAR FLYING CONDITIONS. THE MAIN
CONCERN FOR PILOTS WILL BE THE POTENTIAL FOR PATCHY FOG IN THE
VALLEYS LATE AT NIGHT AND DURING THE EARLY MORNING HOURS.
MSO WATCHES/WARNINGS/ADVISORIES
MT...NONE.
ID...NONE.
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