488
CDUS45 KMSO 212230
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
430 PM MDT SUN SEP 21 2025
...............................
..THE MISSOULA MT CLIMATE SUMMARY FOR SEPTEMBER 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 77 1239 PM 92 1967 70 7 70
MINIMUM 46 704 AM 23 1971 41 5 36
AVERAGE 62 56 6 53
PRECIPITATION (IN)
TODAY T 0.35 1945 0.03 -0.03 0.00
MONTH TO DATE 0.19 0.68 -0.49 1.05
SINCE OCT 1 10.53 13.83 -3.30 11.31
SINCE JAN 1 8.96 10.39 -1.43 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 3 10 -7 12
MONTH TO DATE 28 135 -107 72
SINCE SEP 1 28 135 -107 72
SINCE JUL 1 62 221 -159 104
COOLING
TODAY 0 0 0 0
MONTH TO DATE 54 11 43 42
SINCE SEP 1 54 11 43 42
SINCE JAN 1 441 303 138 470
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 5.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 700 AM
LOWEST 27 1200 PM
AVERAGE 49
......................................................
THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 91 1938
MINIMUM TEMPERATURE (F) 41 25 1893
1895
1993
SUNRISE AND SUNSET
SEPTEMBER 21 2025.....SUNRISE 722 AM MDT SUNSET 735 PM MDT
SEPTEMBER 22 2025.....SUNRISE 724 AM MDT SUNSET 733 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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