276
CDUS45 KTFX 182240
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT SAT APR 18 2026
...............................
..THE HELENA MT CLIMATE SUMMARY FOR APRIL 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 57 259 PM 80 1910 57 0 55
1936
MINIMUM 30 604 AM 9 1951 33 -3 22
AVERAGE 44 45 -1 39
PRECIPITATION (IN)
TODAY 0.00 0.64 2003 0.03 -0.03 0.00
MONTH TO DATE 0.85 0.59 0.26 0.24
SINCE OCT 1 5.52 3.75 1.77 3.64
SINCE JAN 1 2.85 1.92 0.93 2.88
DEGREE DAYS
HEATING
TODAY 21 20 1 26
MONTH TO DATE 346 397 -51 368
SINCE MAR 1 1064 1295 -231 1044
SINCE JUL 1 5356 6789 -1433 6116
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 16 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 6.4
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 55 600 AM
LOWEST 24 300 PM
AVERAGE 40
......................................................
THE HELENA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 85 1962
MINIMUM TEMPERATURE (F) 33 7 1951
SUNRISE AND SUNSET
APRIL 18 2026.........SUNRISE 635 AM MDT SUNSET 820 PM MDT
APRIL 19 2026.........SUNRISE 633 AM MDT SUNSET 822 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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