384
CDUS45 KMSO 152231
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
431 PM MDT FRI MAY 15 2026
...............................
..THE MISSOULA MT CLIMATE SUMMARY FOR MAY 15 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 59 204 PM 92 1917 66 -7 61
MINIMUM 41 616 AM 29 1946 40 1 39
1948
1974
AVERAGE 50 53 -3 50
PRECIPITATION (IN)
TODAY 0.00 0.69 2020 0.05 -0.05 0.07
MONTH TO DATE 0.03 0.69 -0.66 0.78
SINCE OCT 1 10.28 8.25 2.03 6.81
SINCE JAN 1 5.07 4.81 0.26 5.24
SNOWFALL (IN)
TODAY 0.0
MONTH TO DATE 0.0
SINCE MAR 1 6.5
SINCE JUL 1 20.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 15 12 3 15
MONTH TO DATE 143 215 -72 155
SINCE MAR 1 1481 1696 -215 1456
SINCE JUL 1 5824 7168 -1344 6465
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 23 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 10.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79 600 AM
LOWEST 33 200 PM
AVERAGE 56
......................................................
THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 90 2006
MINIMUM TEMPERATURE (F) 40 26 1910
1974
SUNRISE AND SUNSET
MAY 15 2026...........SUNRISE 601 AM MDT SUNSET 905 PM MDT
MAY 16 2026...........SUNRISE 600 AM MDT SUNSET 906 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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