320
CDUS45 KMSO 200737
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
137 AM MDT SAT SEP 20 2025
...............................
..THE MISSOULA MT CLIMATE SUMMARY FOR SEPTEMBER 19 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 86 419 PM 89 1938 71 15 75
MINIMUM 44 539 AM 23 1964 42 2 50
AVERAGE 65 56 9 63
PRECIPITATION (IN)
YESTERDAY 0.00 0.96 1925 0.04 -0.04 0.00
MONTH TO DATE 0.19 0.62 -0.43 1.05
SINCE OCT 1 10.53 13.77 -3.24 11.31
SINCE JAN 1 8.96 10.33 -1.37 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 0 9 -9 2
MONTH TO DATE 25 116 -91 51
SINCE SEP 1 25 116 -91 51
SINCE JUL 1 59 202 -143 83
COOLING
YESTERDAY 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
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WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 1.7
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 76 500 AM
LOWEST 13 400 PM
AVERAGE 45
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THE MISSOULA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 91 1938
MINIMUM TEMPERATURE (F) 41 24 1983
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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