077
CDUS45 KMSO 172230
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
430 PM MDT WED SEP 17 2025
...............................
..THE MISSOULA MT CLIMATE SUMMARY FOR SEPTEMBER 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 80 259 PM 91 1981 72 8 68
MINIMUM 46 635 AM 24 1965 42 4 49
AVERAGE 63 57 6 59
PRECIPITATION (IN)
TODAY 0.00 0.80 1900 0.03 -0.03 0.19
MONTH TO DATE 0.19 0.55 -0.36 1.01
SINCE OCT 1 10.53 13.70 -3.17 11.27
SINCE JAN 1 8.96 10.26 -1.30 9.07
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 2 8 -6 6
MONTH TO DATE 24 99 -75 45
SINCE SEP 1 24 99 -75 45
SINCE JUL 1 58 185 -127 77
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 9 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 2.2
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 93 700 AM
LOWEST 26 300 PM
AVERAGE 60
......................................................
THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 92 1938
MINIMUM TEMPERATURE (F) 42 24 1971
SUNRISE AND SUNSET
SEPTEMBER 17 2025.....SUNRISE 717 AM MDT SUNSET 743 PM MDT
SEPTEMBER 18 2025.....SUNRISE 718 AM MDT SUNSET 741 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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