Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KTFX 172240
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT FRI OCT 17 2025
...................................
...THE HELENA MT CLIMATE SUMMARY FOR OCTOBER 17 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 60 233 PM 80 2003 57 3 52
MINIMUM 41 348 AM 11 1905 33 8 41
1930
AVERAGE 51 45 6 47
PRECIPITATION (IN)
TODAY 0.00 0.63 2020 0.03 -0.03 T
MONTH TO DATE 1.30 0.45 0.85 T
SINCE OCT 1 1.30 0.45 0.85 T
SINCE JAN 1 12.52 10.02 2.50 9.05
DEGREE DAYS
HEATING
TODAY 14 20 -6 18
MONTH TO DATE 296 276 20 143
SINCE SEP 1 368 486 -118 226
SINCE JUL 1 394 549 -155 238
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 36 28 8 72
SINCE JAN 1 467 433 34 590
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 8.7
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 68 900 AM
LOWEST 37 300 PM
AVERAGE 53
..........................................................
THE HELENA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 82 1958
2003
MINIMUM TEMPERATURE (F) 33 7 1905
SUNRISE AND SUNSET
OCTOBER 17 2025.......SUNRISE 749 AM MDT SUNSET 637 PM MDT
OCTOBER 18 2025.......SUNRISE 750 AM MDT SUNSET 635 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$