642
CDUS45 KMSO 230738
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
138 AM MDT TUE SEP 23 2025
...............................
..THE MISSOULA MT CLIMATE SUMMARY FOR SEPTEMBER 22 2025
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)
YESTERDAY
MAXIMUM 70 420 PM 91 1938 70 0 71
MINIMUM 45 1159 PM 25 1893 41 4 37
1895
1993
AVERAGE 58 55 3 54
PRECIPITATION (IN)
YESTERDAY T 1.11 2022 0.04 -0.04 0.00
MONTH TO DATE 0.19 0.72 -0.53 1.05
SINCE OCT 1 10.53 13.87 -3.34 11.31
SINCE JAN 1 8.96 10.43 -1.47 9.11
SNOWFALL (IN)
YESTERDAY 0.0
MONTH TO DATE 0.0
SINCE SEP 1 0.0
SINCE JUL 1 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 7 10 -3 11
MONTH TO DATE 35 145 -110 83
SINCE SEP 1 35 145 -110 83
SINCE JUL 1 69 231 -162 115
COOLING
YESTERDAY 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 15 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 4.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 400 AM
LOWEST 28 200 PM
AVERAGE 51
......................................................
THE MISSOULA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 91 1938
MINIMUM TEMPERATURE (F) 40 20 2000
SUNRISE AND SUNSET
SEPTEMBER 23 2025.....SUNRISE 725 AM MDT SUNSET 731 PM MDT
SEPTEMBER 24 2025.....SUNRISE 726 AM MDT SUNSET 729 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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