666
CDUS45 KMSO 202230
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
430 PM MDT SAT SEP 20 2025
...............................
..THE MISSOULA MT CLIMATE SUMMARY FOR SEPTEMBER 20 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 85 254 PM 91 1938 71 14 68
MINIMUM 45 706 AM 24 1983 41 4 43
AVERAGE 65 56 9 56
PRECIPITATION (IN)
TODAY 0.00 0.56 1984 0.03 -0.03 0.00
MONTH TO DATE 0.19 0.65 -0.46 1.05
SINCE OCT 1 10.53 13.80 -3.27 11.31
SINCE JAN 1 8.96 10.36 -1.40 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 0 9 -9 9
MONTH TO DATE 25 125 -100 60
SINCE SEP 1 25 125 -100 60
SINCE JUL 1 59 211 -152 92
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 7 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 2.3
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 74 700 AM
LOWEST 20 300 PM
AVERAGE 47
......................................................
THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 92 1967
MINIMUM TEMPERATURE (F) 41 23 1971
SUNRISE AND SUNSET
SEPTEMBER 20 2025.....SUNRISE 721 AM MDT SUNSET 737 PM MDT
SEPTEMBER 21 2025.....SUNRISE 722 AM MDT SUNSET 735 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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