389
CDUS45 KMSO 192230
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
430 PM MDT SAT SEP 19 2026
...............................
..THE MISSOULA MT CLIMATE SUMMARY FOR SEPTEMBER 19 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 66 259 PM 89 1938 71 -5 86
MINIMUM 53 649 AM 23 1964 42 11 44
AVERAGE 60 56 4 65
PRECIPITATION (IN)
TODAY 0.00 0.96 1925 0.04 -0.04 0.00
MONTH TO DATE 2.11 0.62 1.49 0.19
SINCE OCT 1 16.95 13.77 3.18 10.53
SINCE JAN 1 11.74 10.33 1.41 8.96
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 5 9 -4 0
MONTH TO DATE 127 116 11 25
SINCE SEP 1 127 116 11 25
SINCE JUL 1 154 202 -48 59
COOLING
TODAY 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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 4.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 600 AM
LOWEST 61 200 PM
AVERAGE 79
......................................................
THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 91 1938
MINIMUM TEMPERATURE (F) 41 24 1983
SUNRISE AND SUNSET
SEPTEMBER 19 2026.....SUNRISE 719 AM MDT SUNSET 740 PM MDT
SEPTEMBER 20 2026.....SUNRISE 721 AM MDT SUNSET 738 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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