CDUS45 KTFX 200731 CLIGTF CLIMATE REPORT NATIONAL WEATHER SERVICE GREAT FALLS MT 131 AM MDT WED MAY 20 2026 ................................... ...THE GREAT FALLS MT CLIMATE SUMMARY FOR MAY 19 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 64 206 PM 94 1919 66 -2 63 MINIMUM 33 403 AM 30 1918 40 -7 34 1931 1997 AVERAGE 49 53 -4 49 PRECIPITATION (IN) YESTERDAY T 0.61 1970 0.08 -0.08 0.00 MONTH TO DATE 0.72 1.24 -0.52 2.28 SINCE OCT 1 6.44 7.07 -0.63 7.04 SINCE JAN 1 4.60 4.79 -0.19 5.96 SNOWFALL (IN) YESTERDAY 0.0 5.5 1903 0.1 -0.1 0.0 MONTH TO DATE 0.1 1.6 -1.5 0.0 SINCE MAR 1 25.1 21.1 4.0 5.2 SINCE JUL 1 41.7 65.5 -23.8 47.2 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 16 12 4 16 MONTH TO DATE 242 292 -50 228 SINCE MAR 1 1678 1928 -250 1628 SINCE JUL 1 5921 7398 -1477 6927 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 28 HIGHEST WIND DIRECTION SW (240) HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 13.9 SKY COVER AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 73 1100 PM LOWEST 31 200 PM AVERAGE 52 .......................................................... THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 66 94 1897 MINIMUM TEMPERATURE (F) 40 26 2021 SUNRISE AND SUNSET MAY 20 2026...........SUNRISE 543 AM MDT SUNSET 902 PM MDT MAY 21 2026...........SUNRISE 541 AM MDT SUNSET 903 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$