333
CDUS45 KMSO 172339
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
439 PM MST WED DEC 17 2025
...............................
..THE MISSOULA MT CLIMATE SUMMARY FOR DECEMBER 17 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 50R 147 AM 50 1904 30 20 32
MINIMUM 35 222 PM -30 1964 17 18 28
AVERAGE 43 24 19 30
PRECIPITATION (IN)
TODAY 0.31 0.56 1917 0.03 0.28 0.02
MONTH TO DATE 2.15 0.58 1.57 0.10
SINCE OCT 1 4.29 2.94 1.35 1.30
SINCE JAN 1 13.47 13.61 -0.14 10.41
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 22 41 -19 35
MONTH TO DATE 462 675 -213 598
SINCE DEC 1 462 675 -213 598
SINCE JUL 1 1953 2632 -679 2139
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 47 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 63 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 18.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
LIGHT SNOW
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 700 AM
LOWEST 41 1100 AM
AVERAGE 69
......................................................
THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 30 50 1917
MINIMUM TEMPERATURE (F) 17 -18 1924
1964
SUNRISE AND SUNSET
DECEMBER 17 2025......SUNRISE 817 AM MST SUNSET 449 PM MST
DECEMBER 18 2025......SUNRISE 817 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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