433
CDUS45 KMSO 162230
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
430 PM MDT TUE SEP 16 2025
...............................
..THE MISSOULA MT CLIMATE SUMMARY FOR SEPTEMBER 16 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 76 259 PM 91 1937 73 3 76
2009
MINIMUM 45 650 AM 27 1970 42 3 49
AVERAGE 61 58 3 63
PRECIPITATION (IN)
TODAY 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)
TODAY 0.0
MONTH TO DATE 0.0
SINCE SEP 1 0.0
SINCE JUL 1 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 4 8 -4 2
MONTH TO DATE 23 91 -68 39
SINCE SEP 1 23 91 -68 39
SINCE JUL 1 57 177 -120 71
COOLING
TODAY 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 W (250)
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 2.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 500 AM
LOWEST 40 300 PM
AVERAGE 69
......................................................
THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 91 1981
MINIMUM TEMPERATURE (F) 42 24 1965
SUNRISE AND SUNSET
SEPTEMBER 16 2025.....SUNRISE 716 AM MDT SUNSET 745 PM MDT
SEPTEMBER 17 2025.....SUNRISE 717 AM MDT SUNSET 743 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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