433
CDUS45 KMSO 212331
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
431 PM MST SUN DEC 21 2025
...............................
..THE MISSOULA MT CLIMATE SUMMARY FOR DECEMBER 21 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 29 359 PM 58 2019 30 -1 34
MINIMUM 25 913 AM -25 1990 17 8 23
AVERAGE 27 23 4 29
PRECIPITATION (IN)
TODAY 0.05 0.63 1964 0.03 0.02 T
MONTH TO DATE 2.59 0.72 1.87 0.15
SINCE OCT 1 4.73 3.08 1.65 1.35
SINCE JAN 1 13.91 13.75 0.16 10.46
SNOWFALL (IN)
TODAY 0.0
MONTH TO DATE 8.1
SINCE DEC 1 8.1
SINCE JUL 1 9.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 38 42 -4 36
MONTH TO DATE 593 842 -249 720
SINCE DEC 1 593 842 -249 720
SINCE JUL 1 2084 2799 -715 2261
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 13 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 5.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 400 PM
LOWEST 66 500 AM
AVERAGE 81
......................................................
THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 30 54 1936
MINIMUM TEMPERATURE (F) 17 -28 1990
SUNRISE AND SUNSET
DECEMBER 21 2025......SUNRISE 819 AM MST SUNSET 450 PM MST
DECEMBER 22 2025......SUNRISE 819 AM MST SUNSET 451 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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