Climatological Report (Daily)
Issued by NWS
Issued by NWS
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184
CDUS45 KTFX 202240
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT WED AUG 20 2025
...................................
...THE HELENA MT CLIMATE SUMMARY FOR AUGUST 20 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 89 222 PM 96 1953 84 5 84
1967
MINIMUM 63 551 AM 39 1916 52 11 54
1956
1995
AVERAGE 76 68 8 69
PRECIPITATION (IN)
TODAY 0.00 1.89 1933 0.03 -0.03 0.09
MONTH TO DATE 1.36 0.68 0.68 0.41
SINCE OCT 1 10.72 10.08 0.64 8.99
SINCE JAN 1 9.96 8.25 1.71 7.47
DEGREE DAYS
HEATING
TODAY 0 2 -2 0
MONTH TO DATE 11 12 -1 0
SINCE JUN 1 134 179 -45 88
SINCE JUL 1 23 35 -12 2
COOLING
TODAY 11 4 7 4
MONTH TO DATE 119 121 -2 129
SINCE JUN 1 359 363 -4 480
SINCE JAN 1 384 370 14 480
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 6.1
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 56 600 AM
LOWEST 24 100 PM
AVERAGE 40
..........................................................
THE HELENA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 95 1991
2005
2011
MINIMUM TEMPERATURE (F) 52 38 1933
SUNRISE AND SUNSET
AUGUST 20 2025........SUNRISE 633 AM MDT SUNSET 829 PM MDT
AUGUST 21 2025........SUNRISE 634 AM MDT SUNSET 827 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$