149
CDUS45 KTFX 212240
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT TUE APR 21 2026
...............................
..THE HELENA MT CLIMATE SUMMARY FOR APRIL 21 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 82R 221 PM 82 1906 58 24 55
1942
MINIMUM 40 612 AM 6 2008 34 6 35
AVERAGE 61 46 15 45
PRECIPITATION (IN)
TODAY 0.00 0.73 1886 0.04 -0.04 0.01
MONTH TO DATE 0.85 0.70 0.15 0.25
SINCE OCT 1 5.52 3.86 1.66 3.65
SINCE JAN 1 2.85 2.03 0.82 2.89
DEGREE DAYS
HEATING
TODAY 4 19 -15 20
MONTH TO DATE 373 455 -82 422
SINCE MAR 1 1091 1353 -262 1098
SINCE JUL 1 5383 6847 -1464 6170
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 4.4
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 65 600 AM
LOWEST 12 300 PM
AVERAGE 39
......................................................
THE HELENA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 83 1906
MINIMUM TEMPERATURE (F) 34 17 1951
1967
1968
SUNRISE AND SUNSET
APRIL 21 2026.........SUNRISE 630 AM MDT SUNSET 824 PM MDT
APRIL 22 2026.........SUNRISE 628 AM MDT SUNSET 826 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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