430
CDUS45 KTFX 212240
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT WED MAY 21 2025
...............................
..THE HELENA MT CLIMATE SUMMARY FOR MAY 21 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1866 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 62 259 PM 89 1980 68 -6 63
MINIMUM 42 512 AM 27 1953 43 -1 37
2021
AVERAGE 52 56 -4 50
PRECIPITATION (IN)
TODAY 0.00 1.93 1981 0.07 -0.07 T
MONTH TO DATE 3.37 1.12 2.25 1.15
SINCE OCT 1 7.04 5.30 1.74 6.87
SINCE JAN 1 6.28 3.47 2.81 5.35
DEGREE DAYS
HEATING
TODAY 13 10 3 15
MONTH TO DATE 192 266 -74 265
SINCE MAR 1 1426 1778 -352 1626
SINCE JUL 1 6498 7272 -774 6676
COOLING
TODAY 0 0 0 0
MONTH TO DATE 4 0 4 0
SINCE MAR 1 4 0 4 0
SINCE JAN 1 4 0 4 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 16.3
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 35 1000 AM
LOWEST 23 200 PM
AVERAGE 29
......................................................
THE HELENA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 86 1928
2001
MINIMUM TEMPERATURE (F) 44 29 2021
SUNRISE AND SUNSET
MAY 21 2025...........SUNRISE 547 AM MDT SUNSET 903 PM MDT
MAY 22 2025...........SUNRISE 546 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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