Climatological Report (Daily)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
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CDUS45 KMSO 182230
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
430 PM MDT FRI SEP 18 2026
...................................
...THE MISSOULA MT CLIMATE SUMMARY FOR SEPTEMBER 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 77 257 PM 92 1938 72 5 84
MINIMUM 46 451 AM 24 1971 42 4 42
AVERAGE 62 57 5 63
PRECIPITATION (IN)
TODAY 0.00 1.28 1908 0.03 -0.03 0.00
MONTH TO DATE 1.96 0.58 1.38 0.19
SINCE OCT 1 16.80 13.73 3.07 10.53
SINCE JAN 1 11.59 10.29 1.30 8.96
SNOWFALL (IN)
TODAY 0.0
MONTH TO DATE 0.0
SINCE SEP 1 0.0
SINCE JUL 1 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 3 8 -5 2
MONTH TO DATE 122 107 15 25
SINCE SEP 1 122 107 15 25
SINCE JUL 1 149 193 -44 59
COOLING
TODAY 0 0 0 0
MONTH TO DATE 2 11 -9 53
SINCE SEP 1 2 11 -9 53
SINCE JAN 1 390 303 87 440
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 3.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 600 AM
LOWEST 39 300 PM
AVERAGE 70
..........................................................
THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 89 1938
MINIMUM TEMPERATURE (F) 42 23 1964
SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE 718 AM MDT SUNSET 742 PM MDT
SEPTEMBER 19 2026.....SUNRISE 719 AM MDT SUNSET 740 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$