016
CDUS45 KMSO 170737
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
137 AM MDT WED SEP 17 2025
...............................
..THE MISSOULA MT CLIMATE SUMMARY FOR SEPTEMBER 16 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 78 433 PM 91 1937 73 5 76
2009
MINIMUM 45 650 AM 27 1970 42 3 49
AVERAGE 62 58 4 63
PRECIPITATION (IN)
YESTERDAY T 0.83 1947 0.03 -0.03 0.00
MONTH TO DATE 0.19 0.52 -0.33 0.82
SINCE OCT 1 10.53 13.67 -3.14 11.08
SINCE JAN 1 8.96 10.23 -1.27 8.88
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 3 8 -5 2
MONTH TO DATE 22 91 -69 39
SINCE SEP 1 22 91 -69 39
SINCE JUL 1 56 177 -121 71
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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 2.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 500 AM
LOWEST 35 600 PM
AVERAGE 66
......................................................
THE MISSOULA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 91 1981
MINIMUM TEMPERATURE (F) 42 24 1965
SUNRISE AND SUNSET
SEPTEMBER 17 2025.....SUNRISE 717 AM MDT SUNSET 743 PM MDT
SEPTEMBER 18 2025.....SUNRISE 718 AM MDT SUNSET 741 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page