720
CDUS45 KMSO 202230
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
430 PM MDT SUN SEP 20 2026
...............................
..THE MISSOULA MT CLIMATE SUMMARY FOR SEPTEMBER 20 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 73 259 PM 91 1938 71 2 87
MINIMUM 42 556 AM 24 1983 41 1 45
AVERAGE 58 56 2 66
PRECIPITATION (IN)
TODAY 0.00 0.56 1984 0.03 -0.03 0.00
MONTH TO DATE 2.11 0.65 1.46 0.19
SINCE OCT 1 16.95 13.80 3.15 10.53
SINCE JAN 1 11.74 10.36 1.38 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 7 9 -2 0
MONTH TO DATE 134 125 9 25
SINCE SEP 1 134 125 9 25
SINCE JUL 1 161 211 -50 59
COOLING
TODAY 0 0 0 1
MONTH TO DATE 2 11 -9 54
SINCE SEP 1 2 11 -9 54
SINCE JAN 1 390 303 87 441
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 0.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 300 AM
LOWEST 44 300 PM
AVERAGE 72
......................................................
THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 92 1967
MINIMUM TEMPERATURE (F) 41 23 1971
SUNRISE AND SUNSET
SEPTEMBER 20 2026.....SUNRISE 721 AM MDT SUNSET 738 PM MDT
SEPTEMBER 21 2026.....SUNRISE 722 AM MDT SUNSET 736 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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