297
CDUS45 KMSO 200839
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
139 AM MST SAT DEC 20 2025
...............................
..THE MISSOULA MT CLIMATE SUMMARY FOR DECEMBER 19 2025
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)
YESTERDAY
MAXIMUM 44 355 AM 56 1917 30 14 44
1936
MINIMUM 27 820 PM -19 1924 17 10 27
AVERAGE 36 24 12 36
PRECIPITATION (IN)
YESTERDAY 0.24R 0.20 1944 0.04 0.20 0.00
MONTH TO DATE 2.54 0.65 1.89 0.15
SINCE OCT 1 4.68 3.01 1.67 1.35
SINCE JAN 1 13.86 13.68 0.18 10.46
SNOWFALL (IN)
YESTERDAY 0.0
MONTH TO DATE 8.1
SINCE DEC 1 8.1
SINCE JUL 1 9.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 29 42 -13 29
MONTH TO DATE 523 758 -235 653
SINCE DEC 1 523 758 -235 653
SINCE JUL 1 2014 2715 -701 2194
COOLING
YESTERDAY 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 25 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 9.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 600 AM
LOWEST 44 100 PM
AVERAGE 72
......................................................
THE MISSOULA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 30 54 2019
MINIMUM TEMPERATURE (F) 17 -20 1998
SUNRISE AND SUNSET
DECEMBER 20 2025......SUNRISE 818 AM MST SUNSET 450 PM MST
DECEMBER 21 2025......SUNRISE 819 AM MST SUNSET 450 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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