320
CDUS45 KTFX 212240
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT THU MAY 21 2026
...............................
..THE GREAT FALLS MT CLIMATE SUMMARY FOR MAY 21 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1886 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 44 800 AM 93 1980 66 -22 61
MINIMUM 34 500 AM 24 2022 40 -6 34
AVERAGE 39 53 -14 48
PRECIPITATION (IN)
TODAY 0.00 1.43 1962 0.09 -0.09 T
MONTH TO DATE 0.83 1.42 -0.59 2.28
SINCE OCT 1 6.55 7.25 -0.70 7.04
SINCE JAN 1 4.71 4.97 -0.26 5.96
DEGREE DAYS
HEATING
TODAY 26 12 14 17
MONTH TO DATE 285 316 -31 260
SINCE MAR 1 1721 1952 -231 1660
SINCE JUL 1 5964 7422 -1458 6959
COOLING
TODAY 0 0 0 0
MONTH TO DATE 2 0 2 2
SINCE MAR 1 3 0 3 2
SINCE JAN 1 3 0 3 2
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WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 5.1
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 200 AM
LOWEST 73 800 AM
AVERAGE 83
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THE GREAT FALLS MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 97 1919
MINIMUM TEMPERATURE (F) 41 26 2021
SUNRISE AND SUNSET
MAY 21 2026...........SUNRISE 541 AM MDT SUNSET 903 PM MDT
MAY 22 2026...........SUNRISE 540 AM MDT SUNSET 905 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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