CDUS45 KMSO 182240 CLIMSO CLIMATE REPORT NATIONAL WEATHER SERVICE MISSOULA MT 440 PM MDT MON MAY 18 2026 ................................... ...THE MISSOULA MT CLIMATE SUMMARY FOR MAY 18 2026... VALID TODAY AS OF 0400 PM LOCAL TIME. CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1893 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 60 254 PM 88 1954 67 -7 56 2006 2009 MINIMUM 26 505 AM 22 1965 41 -15 35 AVERAGE 43 54 -11 46 PRECIPITATION (IN) TODAY 0.00 0.46 1896 0.06 -0.06 0.12 MONTH TO DATE 0.11 0.86 -0.75 0.90 SINCE OCT 1 10.36 8.42 1.94 6.93 SINCE JAN 1 5.15 4.98 0.17 5.36 SNOWFALL (IN) TODAY MM MONTH TO DATE T SINCE MAR 1 6.5 SINCE JUL 1 20.0 SNOW DEPTH MM DEGREE DAYS HEATING TODAY 22 11 11 19 MONTH TO DATE 204 250 -46 202 SINCE MAR 1 1542 1731 -189 1503 SINCE JUL 1 5885 7203 -1318 6512 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 12 HIGHEST WIND DIRECTION W (250) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 1.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 92 400 AM LOWEST 26 200 PM AVERAGE 59 .......................................................... THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEARMAXIMUM TEMPERATURE (F) 67 91 2002 MINIMUM TEMPERATURE (F) 41 27 1974 SUNRISE AND SUNSET MAY 18 2026...........SUNRISE 558 AM MDT SUNSET 909 PM MDT MAY 19 2026...........SUNRISE 556 AM MDT SUNSET 910 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$