390
CDUS45 KMSO 212230
CLIBTM
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
430 PM MDT THU MAY 21 2026
...............................
..THE BUTTE MT CLIMATE SUMMARY FOR MAY 21 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 49 259 PM 84 1919 63 -14 55
MINIMUM 34 440 AM 12 1938 36 -2 28
AVERAGE 42 49 -7 42
PRECIPITATION (IN)
TODAY 0.04 1.03 1981 0.07 -0.03 0.00
MONTH TO DATE 0.26 1.17 -0.91 2.36
SINCE JAN 1 3.34 3.99 -0.65 4.80
SNOWFALL (IN)
TODAY MM
MONTH TO DATE MM
SINCE MAR 1 MM
SINCE JUL 1 MM
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 23 16 7 23
MONTH TO DATE 383 397 -14 376
SINCE MAR 1 1951 2221 -270 2041
SINCE JUL 1 6935 8696 -1761 8055
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 15 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 6.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 1200 AM
LOWEST 35 200 PM
AVERAGE 66
......................................................
THE BUTTE MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 83 1919
MINIMUM TEMPERATURE (F) 36 19 1916
SUNRISE AND SUNSET
MAY 21 2026...........SUNRISE 551 AM MDT SUNSET 902 PM MDT
MAY 22 2026...........SUNRISE 550 AM MDT SUNSET 904 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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