122
CDUS45 KMSO 182332
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
432 PM MST THU DEC 18 2025
...............................
..THE MISSOULA MT CLIMATE SUMMARY FOR DECEMBER 18 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 37 104 PM 50 1917 30 7 48
MINIMUM 30 520 AM -18 1924 17 13 30
1964
AVERAGE 34 24 10 39
PRECIPITATION (IN)
TODAY 0.01 0.28 2015 0.03 -0.02 0.05
MONTH TO DATE 2.16 0.61 1.55 0.15
SINCE OCT 1 4.30 2.97 1.33 1.35
SINCE JAN 1 13.48 13.64 -0.16 10.46
SNOWFALL (IN)
TODAY T
MONTH TO DATE 8.0
SINCE DEC 1 8.0
SINCE JUL 1 9.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 31 41 -10 26
MONTH TO DATE 495 716 -221 624
SINCE DEC 1 495 716 -221 624
SINCE JUL 1 1986 2673 -687 2165
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 24 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 7.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT SNOW
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 300 PM
LOWEST 56 1100 AM
AVERAGE 74
......................................................
THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 30 56 1917
1936
MINIMUM TEMPERATURE (F) 17 -19 1924
SUNRISE AND SUNSET
DECEMBER 18 2025......SUNRISE 817 AM MST SUNSET 449 PM MST
DECEMBER 19 2025......SUNRISE 818 AM MST SUNSET 449 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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