CDUS45 KTFX 190731 CLIGTF CLIMATE REPORT NATIONAL WEATHER SERVICE GREAT FALLS MT 131 AM MDT TUE MAY 19 2026 ................................... ...THE GREAT FALLS MT CLIMATE SUMMARY FOR MAY 18 2026... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1886 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 53 413 PM 90 2006 66 -13 53 MINIMUM 30 213 AM 27 1903 39 -9 42 1977 AVERAGE 42 52 -10 48 PRECIPITATION (IN) YESTERDAY 0.00 1.63 1959 0.09 -0.09 0.41 MONTH TO DATE 0.72 1.16 -0.44 2.28 SINCE OCT 1 6.44 6.99 -0.55 7.04 SINCE JAN 1 4.60 4.71 -0.11 5.96 SNOWFALL (IN) YESTERDAY 0.0 4.3 2003 0.0 0.0 0.0 MONTH TO DATE 0.1 1.5 -1.4 0.0 SINCE MAR 1 25.1 21.0 4.1 5.2 SINCE JUL 1 41.7 65.4 -23.7 47.2 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 23 13 10 17 MONTH TO DATE 226 280 -54 212 SINCE MAR 1 1662 1916 -254 1612 SINCE JUL 1 5905 7386 -1481 6911 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 2 0 2 2 SINCE MAR 1 3 0 3 2 SINCE JAN 1 3 0 3 2 ................................................................... WIND (MPH) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (180) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (180) AVERAGE WIND SPEED 7.0 SKY COVER AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 100 300 AM LOWEST 37 700 PM AVERAGE 69 .......................................................... THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 66 94 1919 MINIMUM TEMPERATURE (F) 40 30 19181931 1997 SUNRISE AND SUNSET MAY 19 2026...........SUNRISE 544 AM MDT SUNSET 901 PM MDT MAY 20 2026...........SUNRISE 543 AM MDT SUNSET 902 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$