801
CDUS45 KMSO 152330
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
430 PM MST MON DEC 15 2025
...............................
..THE MISSOULA MT CLIMATE SUMMARY FOR DECEMBER 15 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1893 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 52 233 PM 56 1924 30 22 37
MINIMUM 32 557 AM -12 1972 18 14 28
AVERAGE 42 24 18 33
PRECIPITATION (IN)
TODAY T 0.34 2016 0.03 -0.03 0.03
MONTH TO DATE 1.80 0.51 1.29 0.07
SINCE OCT 1 3.94 2.87 1.07 1.27
SINCE JAN 1 13.12 13.54 -0.42 10.38
SNOWFALL (IN)
TODAY 0.0
MONTH TO DATE 8.0
SINCE DEC 1 8.0
SINCE JUL 1 9.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 23 41 -18 32
MONTH TO DATE 420 593 -173 525
SINCE DEC 1 420 593 -173 525
SINCE JUL 1 1911 2550 -639 2066
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 441 307 134 474
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 3.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 600 AM
LOWEST 57 200 PM
AVERAGE 75
......................................................
THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 30 57 1941
MINIMUM TEMPERATURE (F) 17 -26 1964
SUNRISE AND SUNSET
DECEMBER 15 2025......SUNRISE 815 AM MST SUNSET 448 PM MST
DECEMBER 16 2025......SUNRISE 816 AM MST SUNSET 448 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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