787
CDUS45 KTFX 122240
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT TUE MAY 12 2026
...............................
..THE HELENA MT CLIMATE SUMMARY FOR MAY 12 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 79 258 PM 92 2001 65 14 69
MINIMUM 42 533 AM 22 1943 40 2 46
AVERAGE 61 53 8 58
PRECIPITATION (IN)
TODAY 0.00 2.00 1900 0.05 -0.05 0.23
MONTH TO DATE 0.05 0.53 -0.48 1.41
SINCE OCT 1 6.14 4.71 1.43 5.08
SINCE JAN 1 3.47 2.88 0.59 4.32
DEGREE DAYS
HEATING
TODAY 4 12 -8 7
MONTH TO DATE 116 169 -53 92
SINCE MAR 1 1416 1681 -265 1326
SINCE JUL 1 5708 7175 -1467 6398
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 4
SINCE MAR 1 0 0 0 4
SINCE JAN 1 0 0 0 4
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 5.0
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 57 300 AM
LOWEST 19 300 PM
AVERAGE 38
......................................................
THE HELENA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 89 2001
MINIMUM TEMPERATURE (F) 41 23 1983
SUNRISE AND SUNSET
MAY 12 2026...........SUNRISE 558 AM MDT SUNSET 852 PM MDT
MAY 13 2026...........SUNRISE 556 AM MDT SUNSET 853 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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