138
CDUS45 KMSO 210747
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
147 AM MDT SUN SEP 21 2025
...............................
..THE MISSOULA MT CLIMATE SUMMARY FOR SEPTEMBER 20 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 87 436 PM 91 1938 71 16 68
MINIMUM 45 706 AM 24 1983 41 4 43
AVERAGE 66 56 10 56
PRECIPITATION (IN)
YESTERDAY 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)
YESTERDAY 0.0
MONTH TO DATE 0.0
SINCE SEP 1 0.0
SINCE JUL 1 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY 1 0 1 0
MONTH TO DATE 54 11 43 42
SINCE SEP 1 54 11 43 42
SINCE JAN 1 441 303 138 470
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WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 3.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 700 AM
LOWEST 12 500 PM
AVERAGE 43
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THE MISSOULA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 92 1967
MINIMUM TEMPERATURE (F) 41 23 1971
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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