964
CDUS45 KMSO 312230
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
430 PM MDT SUN MAY 31 2026
...............................
..THE MISSOULA MT CLIMATE SUMMARY FOR MAY 31 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1893 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 52 259 PM 94 2025 70 -18 94
MINIMUM 47 810 AM 30 1920 44 3 46
1950
1965
AVERAGE 50 57 -7 70
PRECIPITATION (IN)
TODAY 0.42 1.60 1908 0.08 0.34 0.00
MONTH TO DATE 2.07 1.77 0.30 1.10
SINCE OCT 1 12.32 9.33 2.99 7.13
SINCE JAN 1 7.11 5.89 1.22 5.56
SNOWFALL (IN)
TODAY 0.0
MONTH TO DATE T
SINCE MAR 1 6.5
SINCE JUL 1 20.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 15 9 6 0
MONTH TO DATE 311 376 -65 299
SINCE MAR 1 1649 1857 -208 1600
SINCE JUL 1 5992 7329 -1337 6609
COOLING
TODAY 0 0 0 5
MONTH TO DATE 7 3 4 11
SINCE MAR 1 7 3 4 11
SINCE JAN 1 7 3 4 11
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 2.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1200 AM
LOWEST 80 200 PM
AVERAGE 89
......................................................
THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 92 1903
1986
MINIMUM TEMPERATURE (F) 44 30 1916
1917
SUNRISE AND SUNSET
MAY 31 2026...........SUNRISE 546 AM MDT SUNSET 923 PM MDT
JUNE 1 2026..........SUNRISE 545 AM MDT SUNSET 923 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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