789
CDUS45 KMSO 192230
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
430 PM MDT FRI SEP 19 2025
...............................
..THE MISSOULA MT CLIMATE SUMMARY FOR SEPTEMBER 19 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 84 256 PM 89 1938 71 13 75
MINIMUM 44 539 AM 23 1964 42 2 50
AVERAGE 64 56 8 63
PRECIPITATION (IN)
TODAY 0.00 0.96 1925 0.04 -0.04 0.00
MONTH TO DATE 0.19 0.62 -0.43 1.05
SINCE OCT 1 10.53 13.77 -3.24 11.31
SINCE JAN 1 8.96 10.33 -1.37 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 1 9 -8 2
MONTH TO DATE 26 116 -90 51
SINCE SEP 1 26 116 -90 51
SINCE JUL 1 60 202 -142 83
COOLING
TODAY 0 0 0 0
MONTH TO DATE 53 11 42 42
SINCE SEP 1 53 11 42 42
SINCE JAN 1 440 303 137 470
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 5 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 0.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 500 AM
LOWEST 17 300 PM
AVERAGE 47
......................................................
THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 91 1938
MINIMUM TEMPERATURE (F) 41 24 1983
SUNRISE AND SUNSET
SEPTEMBER 19 2025.....SUNRISE 720 AM MDT SUNSET 739 PM MDT
SEPTEMBER 20 2025.....SUNRISE 721 AM MDT SUNSET 737 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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