CDUS45 KTFX 122341 CLILWT CLIMATE REPORT NATIONAL WEATHER SERVICE GREAT FALLS MT 441 PM MST FRI DEC 12 2025 ................................... ...THE LEWISTOWN MT CLIMATE SUMMARY FOR DECEMBER 12 2025... VALID TODAY AS OF 0400 PM LOCAL TIME. CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1896 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 7 359 PM 60 1924 35 -28 39 MINIMUM 1 844 AM -23 1922 14 -13 19 AVERAGE 4 24 -20 29 PRECIPITATION (IN) TODAY 0.02 0.96 1937 0.01 0.01 0.00 MONTH TO DATE 0.91 0.18 0.73 0.15 SINCE OCT 1 2.47 2.12 0.35 1.06 SINCE JAN 1 16.94 16.84 0.10 19.57 DEGREE DAYS HEATING TODAY 61 40 21 36 MONTH TO DATE 458 470 -12 369 SINCE DEC 1 458 470 -12 369 SINCE JUL 1 2097 2561 -464 2060 COOLING TODAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 163 229 -66 298 ................................................................... WIND (MPH) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 6.7 SKY COVER AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. HEAVY SNOW SNOW LIGHT SNOW FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 87 LOWEST 79 AVERAGE 83 .......................................................... THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 35 65 1960 MINIMUM TEMPERATURE (F) 14 -22 1963 SUNRISE AND SUNSET DECEMBER 12 2025......SUNRISE 755 AM MST SUNSET 429 PM MST DECEMBER 13 2025......SUNRISE 756 AM MST SUNSET 429 PM MST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$