618
CDUS45 KMSO 192231
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
431 PM MDT TUE MAY 19 2026
...............................
..THE MISSOULA MT CLIMATE SUMMARY FOR MAY 19 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 57 1214 PM 91 2002 67 -10 56
MINIMUM 32 427 AM 27 1974 41 -9 32
AVERAGE 45 54 -9 44
PRECIPITATION (IN)
TODAY 0.04 1.49 1902 0.06 -0.02 T
MONTH TO DATE 0.15 0.92 -0.77 0.90
SINCE OCT 1 10.40 8.48 1.92 6.93
SINCE JAN 1 5.19 5.04 0.15 5.36
SNOWFALL (IN)
TODAY 0.0
MONTH TO DATE T
SINCE MAR 1 6.5
SINCE JUL 1 20.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 20 11 9 21
MONTH TO DATE 223 261 -38 223
SINCE MAR 1 1561 1742 -181 1524
SINCE JUL 1 5904 7214 -1310 6533
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 17 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 2.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 500 AM
LOWEST 48 1100 AM
AVERAGE 68
......................................................
THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 88 1958
2023
MINIMUM TEMPERATURE (F) 41 28 1989
SUNRISE AND SUNSET
MAY 19 2026...........SUNRISE 556 AM MDT SUNSET 910 PM MDT
MAY 20 2026...........SUNRISE 555 AM MDT SUNSET 911 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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