672
CDUS45 KTFX 182240
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT THU JUN 18 2026
...............................
..THE HELENA MT CLIMATE SUMMARY FOR JUNE 18 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1866 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 76 215 PM 94 1961 75 1 86
1986
2003
MINIMUM 46 445 AM 33 1949 49 -3 52
AVERAGE 61 62 -1 69
PRECIPITATION (IN)
TODAY 0.00 1.77 1979 0.07 -0.07 0.00
MONTH TO DATE 0.33 1.51 -1.18 0.14
SINCE OCT 1 8.24 7.64 0.60 7.45
SINCE JAN 1 5.57 5.81 -0.24 6.69
DEGREE DAYS
HEATING
TODAY 4 4 0 0
MONTH TO DATE 121 104 17 55
SINCE JUN 1 121 104 17 55
SINCE JUL 1 6014 7460 -1446 6617
COOLING
TODAY 0 1 -1 4
MONTH TO DATE 8 18 -10 35
SINCE JUN 1 8 18 -10 35
SINCE JAN 1 28 25 3 60
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 5.9
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 500 AM
LOWEST 20 200 PM
AVERAGE 46
......................................................
THE HELENA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 93 1974
1985
1988
MINIMUM TEMPERATURE (F) 49 36 1972
SUNRISE AND SUNSET
JUNE 18 2026..........SUNRISE 534 AM MDT SUNSET 924 PM MDT
JUNE 19 2026..........SUNRISE 534 AM MDT SUNSET 925 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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