647
CDUS45 KMSO 190737
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
137 AM MDT SAT SEP 19 2026
...............................
..THE MISSOULA MT CLIMATE SUMMARY FOR SEPTEMBER 18 2026
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)
YESTERDAY
MAXIMUM 77 257 PM 92 1938 72 5 84
MINIMUM 46 451 AM 24 1971 42 4 42
AVERAGE 62 57 5 63
PRECIPITATION (IN)
YESTERDAY 0.15 1.28 1908 0.03 0.12 0.00
MONTH TO DATE 2.11 0.58 1.53 0.19
SINCE OCT 1 16.95 13.73 3.22 10.53
SINCE JAN 1 11.74 10.29 1.45 8.96
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 122 107 15 25
SINCE SEP 1 122 107 15 25
SINCE JUL 1 149 193 -44 59
COOLING
YESTERDAY 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
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WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 6.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 600 AM
LOWEST 39 300 PM
AVERAGE 70
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THE MISSOULA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 89 1938
MINIMUM TEMPERATURE (F) 42 23 1964
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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