114
CDUS45 KMSO 302230
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
430 PM MDT TUE SEP 30 2025
...............................
..THE MISSOULA MT CLIMATE SUMMARY FOR SEPTEMBER 30 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 69 232 PM 88 1912 66 3 62
MINIMUM 52 259 AM 20 1985 38 14 32
AVERAGE 61 52 9 47
PRECIPITATION (IN)
TODAY 0.16 0.59 2000 0.03 0.13 0.00
MONTH TO DATE 0.36 0.96 -0.60 1.05
SINCE OCT 1 10.70 14.11 -3.41 11.31
SINCE JAN 1 9.13 10.67 -1.54 9.11
SNOWFALL (IN)
TODAY 0.0
MONTH TO DATE 0.0
SINCE SEP 1 0.0
SINCE JUL 1 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 4 13 -9 18
MONTH TO DATE 70 239 -169 133
SINCE SEP 1 70 239 -169 133
SINCE JUL 1 104 325 -221 165
COOLING
TODAY 0 0 0 0
MONTH TO DATE 54 15 39 46
SINCE SEP 1 54 15 39 46
SINCE JAN 1 441 307 134 474
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 4.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 400 AM
LOWEST 49 300 PM
AVERAGE 75
......................................................
THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 83 1992
2010
MINIMUM TEMPERATURE (F) 37 21 1971
SUNRISE AND SUNSET
SEPTEMBER 30 2025.....SUNRISE 734 AM MDT SUNSET 717 PM MDT
OCTOBER 1 2025.......SUNRISE 736 AM MDT SUNSET 715 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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