445
CDUS45 KMSO 180738
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
138 AM MDT FRI SEP 18 2026
...............................
..THE MISSOULA MT CLIMATE SUMMARY FOR SEPTEMBER 17 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1893 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 76 445 PM 91 1981 72 4 81
MINIMUM 43 715 AM 24 1965 42 1 46
AVERAGE 60 57 3 64
PRECIPITATION (IN)
YESTERDAY 0.00 0.80 1900 0.03 -0.03 0.00
MONTH TO DATE 1.96 0.55 1.41 0.19
SINCE OCT 1 16.80 13.70 3.10 10.53
SINCE JAN 1 11.59 10.26 1.33 8.96
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 5 8 -3 1
MONTH TO DATE 119 99 20 23
SINCE SEP 1 119 99 20 23
SINCE JUL 1 146 185 -39 57
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 2 11 -9 53
SINCE SEP 1 2 11 -9 53
SINCE JAN 1 390 303 87 440
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 3.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 700 AM
LOWEST 41 400 PM
AVERAGE 69
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THE MISSOULA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 92 1938
MINIMUM TEMPERATURE (F) 42 24 1971
SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE 718 AM MDT SUNSET 742 PM MDT
SEPTEMBER 19 2026.....SUNRISE 719 AM MDT SUNSET 740 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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