
Heavy snow is expected in the Sierra Nevada mountain ranges into Saturday causing hazardous travel conditions. Winter Storm Warnings have been issued. Thunderstorms and moderate to heavy rainfall are expected across portions of eastern Texas into Louisiana on Sunday. Read More >
Below are the temperature and precipitation data for the previous month at Chattanooga (CHA), Knoxville (TYS), and Tri-Cities (TRI) as well as regional temperature and precipitation maps.
For more information about data and records, please visit the links at www.nws.noaa.gov/climate/local_data.php. More detailed climate information and climate graphs can also be accessed through our database.
For information about the Climate Prediction Center Outlooks for the upcoming months for Morristown, TN's forecast area,
please visit www.weather.gov/mrx/.
218
CXUS54 KMRX 010829
CLMCHA
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
329 AM EST SUN NOV 01 2026
...................................
...THE CHATTANOOGA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1879 TO 2026
WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
................................................
TEMPERATURE (F)
HIGHEST 92 10/14
10/15
LOWEST 40 10/19
AVG. MAXIMUM 78.9 74.1 4.8
AVG. MINIMUM 53.4 51.4 2.0
MEAN 66.2 62.7 3.5
DAYS MAX >= 90 3
DAYS MAX <= 32 0
DAYS MIN <= 32 0
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 11.91 1925
MINIMUM 0.08 2016
TOTALS 2.71 3.59 -0.88
DAYS >= .01 4
DAYS >= .10 3
DAYS >= .50 2
DAYS >= 1.00 1
GREATEST
24 HR. TOTAL 1.51 10/10 TO 10/10
SNOWFALL (INCHES)
TOTALS 0.0 0.0 0.0
SINCE 7/1 0.0
SNOWDEPTH AVG. 0
DAYS >= TRACE 0
GREATEST
SNOW DEPTH 0
DEGREE DAYS
HEATING TOTAL 70 135 -65
SINCE 7/1 70 141 -71
COOLING TOTAL 114 65 49
SINCE 1/1 2408 1914 494
................................................
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 RAIN 3
SNOW 0 FOG 17
FOG W/VIS <= 1/4 MILE 6
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$
219
CXUS54 KMRX 010829
CLMTYS
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
329 AM EST SUN NOV 01 2026
...................................
...THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2026
WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
................................................
TEMPERATURE (F)
HIGHEST 89 10/15
LOWEST 40 10/18
10/19
AVG. MAXIMUM 76.3 71.7 4.6
AVG. MINIMUM 52.2 48.9 3.3
MEAN 64.2 60.3 3.9
DAYS MAX >= 90 0
DAYS MAX <= 32 0
DAYS MIN <= 32 0
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 9.51 1925
MINIMUM 0.00 2000
TOTALS 2.59 2.81 -0.22
DAYS >= .01 5
DAYS >= .10 2
DAYS >= .50 2
DAYS >= 1.00 1
GREATEST
24 HR. TOTAL 1.87 10/02 TO 10/03
SNOWFALL (INCHES)
TOTALS 0.0 0.0 0.0
SINCE 7/1 0.0
SNOWDEPTH AVG. 0
DAYS >= TRACE 0
GREATEST
SNOW DEPTH 0
DEGREE DAYS
HEATING TOTAL 102 188 -86
SINCE 7/1 103 204 -101
COOLING TOTAL 85 42 43
SINCE 1/1 2064 1569 495
................................................
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 RAIN 3
SNOW 0 FOG 16
FOG W/VIS <= 1/4 MILE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$
217
CXUS54 KMRX 010829
CLMTRI
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
329 AM EST SUN NOV 01 2026
...................................
...THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1937 TO 2026
WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
................................................
TEMPERATURE (F)
HIGHEST 87 10/01
10/15
LOWEST 33 10/18
10/19
AVG. MAXIMUM 76.1 70.2 5.9
AVG. MINIMUM 45.2 44.3 0.9
MEAN 60.7 57.3 3.4
DAYS MAX >= 90 0
DAYS MAX <= 32 0
DAYS MIN <= 32 0
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 6.60 2019
MINIMUM 0.02 2000
TOTALS 2.89 2.52 0.37
DAYS >= .01 6
DAYS >= .10 4
DAYS >= .50 2
DAYS >= 1.00 1
GREATEST
24 HR. TOTAL 1.71 10/02 TO 10/03
SNOWFALL (INCHES)
TOTALS 0.0 0.0 0.0
SINCE 7/1 0.0
SNOWDEPTH AVG. 0
DAYS >= TRACE 0
GREATEST
SNOW DEPTH 0
DEGREE DAYS
HEATING TOTAL 167 259 -92
SINCE 7/1 183 296 -113
COOLING TOTAL 42 19 23
SINCE 1/1 1438 1103 335
................................................
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 RAIN 5
SNOW 0 FOG 23
FOG W/VIS <= 1/4 MILE 4
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$
Regional Temperature and Precipitation Graphs:
Included below are graphs for Temperature, Departure from Normal Temperature, Precipitation, and Departure from Normal Precipitation.




