589
CDUS45 KMSO 170738
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
138 AM MDT SUN MAY 17 2026
...............................
..THE MISSOULA MT CLIMATE SUMMARY FOR MAY 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 52 323 PM 90 2006 67 -15 59
MINIMUM 40 1159 PM 26 1910 40 0 34
1974
AVERAGE 46 53 -7 47
PRECIPITATION (IN)
YESTERDAY 0.08 1.30 1898 0.05 0.03 T
MONTH TO DATE 0.11 0.74 -0.63 0.78
SINCE OCT 1 10.36 8.30 2.06 6.81
SINCE JAN 1 5.15 4.86 0.29 5.24
SNOWFALL (IN)
YESTERDAY T
MONTH TO DATE T
SINCE MAR 1 6.5
SINCE JUL 1 20.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 19 12 7 18
MONTH TO DATE 162 227 -65 173
SINCE MAR 1 1500 1708 -208 1474
SINCE JUL 1 5843 7180 -1337 6483
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 7.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 1000 AM
LOWEST 41 400 PM
AVERAGE 62
......................................................
THE MISSOULA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 89 2006
2008
MINIMUM TEMPERATURE (F) 40 24 1966
SUNRISE AND SUNSET
MAY 17 2026...........SUNRISE 559 AM MDT SUNSET 908 PM MDT
MAY 18 2026...........SUNRISE 558 AM MDT SUNSET 909 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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