713
CDUS45 KMSO 210754
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
154 AM MDT THU MAY 21 2026
...............................
..THE MISSOULA MT CLIMATE SUMMARY FOR MAY 20 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 56 308 PM 88 1958 68 -12 60
2023
MINIMUM 36 522 AM 28 1989 41 -5 41
AVERAGE 46 54 -8 51
PRECIPITATION (IN)
YESTERDAY 0.16 1.52 1901 0.06 0.10 0.03
MONTH TO DATE 0.39 0.98 -0.59 0.93
SINCE OCT 1 10.64 8.54 2.10 6.96
SINCE JAN 1 5.43 5.10 0.33 5.39
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 11 8 14
MONTH TO DATE 242 272 -30 237
SINCE MAR 1 1580 1753 -173 1538
SINCE JUL 1 5923 7225 -1302 6547
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 17 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 5.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
HAIL
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 400 AM
LOWEST 68 400 PM
AVERAGE 84
......................................................
THE MISSOULA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 90 1919
1928
MINIMUM TEMPERATURE (F) 41 28 1953
1960
2009
SUNRISE AND SUNSET
MAY 21 2026...........SUNRISE 554 AM MDT SUNSET 912 PM MDT
MAY 22 2026...........SUNRISE 553 AM MDT SUNSET 913 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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