487
CDUS45 KMSO 170737
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
137 AM MDT MON AUG 17 2026
...............................
..THE MISSOULA MT CLIMATE SUMMARY FOR AUGUST 16 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 78 643 PM 100 2023 85 -7 84
MINIMUM 51 218 AM 35 1893 50 1 53
AVERAGE 65 68 -3 69
PRECIPITATION (IN)
YESTERDAY 0.02 0.38 1918 0.02 0.00 T
MONTH TO DATE 0.53 0.40 0.13 0.62
SINCE OCT 1 14.82 12.72 2.10 10.04
SINCE JAN 1 9.61 9.28 0.33 8.47
SNOWFALL (IN)
YESTERDAY 0.0
MONTH TO DATE 0.0
SINCE JUN 1 0.0
SINCE JUL 1 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 7 14 -7 13
SINCE JUN 1 190 238 -48 135
SINCE JUL 1 13 53 -40 33
COOLING
YESTERDAY 0 4 -4 4
MONTH TO DATE 60 81 -21 64
SINCE JUN 1 306 255 51 293
SINCE JAN 1 313 258 55 304
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WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 3.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 300 AM
LOWEST 37 500 PM
AVERAGE 67
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THE MISSOULA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 101 2023
MINIMUM TEMPERATURE (F) 50 38 1910
1976
2002
SUNRISE AND SUNSET
AUGUST 17 2026........SUNRISE 637 AM MDT SUNSET 843 PM MDT
AUGUST 18 2026........SUNRISE 638 AM MDT SUNSET 841 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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