Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KTFX 212240
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT THU AUG 21 2025
...................................
...THE HELENA MT CLIMATE SUMMARY FOR AUGUST 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 83 257 PM 95 1991 83 0 81
2005
2011
MINIMUM 58 557 AM 38 1933 52 6 53
AVERAGE 71 67 4 67
PRECIPITATION (IN)
TODAY 0.00 1.82 1983 0.03 -0.03 0.00
MONTH TO DATE 1.36 0.71 0.65 0.41
SINCE OCT 1 10.72 10.11 0.61 8.99
SINCE JAN 1 9.96 8.28 1.68 7.47
DEGREE DAYS
HEATING
TODAY 0 2 -2 0
MONTH TO DATE 11 14 -3 0
SINCE JUN 1 134 181 -47 88
SINCE JUL 1 23 37 -14 2
COOLING
TODAY 6 4 2 2
MONTH TO DATE 127 125 2 131
SINCE JUN 1 367 367 0 482
SINCE JAN 1 392 374 18 482
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 6.5
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 62 600 AM
LOWEST 24 300 PM
AVERAGE 43
..........................................................
THE HELENA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 97 2006
MINIMUM TEMPERATURE (F) 51 33 1992
SUNRISE AND SUNSET
AUGUST 21 2025........SUNRISE 634 AM MDT SUNSET 827 PM MDT
AUGUST 22 2025........SUNRISE 636 AM MDT SUNSET 825 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$