056
CDUS45 KMSO 182240
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
440 PM MDT MON MAY 18 2026
...............................
..THE MISSOULA MT CLIMATE SUMMARY FOR MAY 18 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 60 254 PM 88 1954 67 -7 56
2006
2009
MINIMUM 26 505 AM 22 1965 41 -15 35
AVERAGE 43 54 -11 46
PRECIPITATION (IN)
TODAY 0.00 0.46 1896 0.06 -0.06 0.12
MONTH TO DATE 0.11 0.86 -0.75 0.90
SINCE OCT 1 10.36 8.42 1.94 6.93
SINCE JAN 1 5.15 4.98 0.17 5.36
SNOWFALL (IN)
TODAY MM
MONTH TO DATE T
SINCE MAR 1 6.5
SINCE JUL 1 20.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 22 11 11 19
MONTH TO DATE 204 250 -46 202
SINCE MAR 1 1542 1731 -189 1503
SINCE JUL 1 5885 7203 -1318 6512
COOLING
TODAY 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 12 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 1.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 400 AM
LOWEST 26 200 PM
AVERAGE 59
......................................................
THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 91 2002
MINIMUM TEMPERATURE (F) 41 27 1974
SUNRISE AND SUNSET
MAY 18 2026...........SUNRISE 558 AM MDT SUNSET 909 PM MDT
MAY 19 2026...........SUNRISE 556 AM MDT SUNSET 910 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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