173
CDUS45 KMSO 182232
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
432 PM MDT MON AUG 18 2025
...............................
..THE MISSOULA MT CLIMATE SUMMARY FOR AUGUST 18 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 88 209 PM 100 2008 84 4 96
2022
MINIMUM 49 533 AM 39 1954 50 -1 54
1987
AVERAGE 69 67 2 75
PRECIPITATION (IN)
TODAY 0.00 0.66 1926 0.03 -0.03 0.09
MONTH TO DATE 0.62 0.46 0.16 0.44
SINCE OCT 1 10.04 12.78 -2.74 10.15
SINCE JAN 1 8.47 9.34 -0.87 7.95
SNOWFALL (IN)
TODAY 0.0
MONTH TO DATE 0.0
SINCE JUN 1 0.0
SINCE JUL 1 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 13 16 -3 0
SINCE JUN 1 135 240 -105 157
SINCE JUL 1 33 55 -22 3
COOLING
TODAY 4 3 1 10
MONTH TO DATE 71 87 -16 113
SINCE JUN 1 300 261 39 394
SINCE JAN 1 311 264 47 394
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 2.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 600 AM
LOWEST 24 300 PM
AVERAGE 49
......................................................
THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 101 2022
MINIMUM TEMPERATURE (F) 50 25 1901
SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE 638 AM MDT SUNSET 841 PM MDT
AUGUST 19 2025........SUNRISE 639 AM MDT SUNSET 839 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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