A slow moving front will produce a threat for heavy rainfall and severe weather from New Mexico into the western High Plains through the weekend. Heavy rainfall is also expected this weekend in South Florida. The Bering Sea storm continues to bring heavy precipitation, strong winds, and minor to major coastal flooding through the weekend across western Alaska. 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/.
662
CXUS54 KMRX 011215
CLMCHA
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
815 AM EDT THU OCT 01 2026
...................................
...THE CHATTANOOGA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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 101 09/04
09/05
LOWEST 51 09/28
AVG. MAXIMUM 93.2 84.3 8.9
AVG. MINIMUM 68.2 63.6 4.6
MEAN 80.7 73.9 6.8
DAYS MAX >= 90 22
DAYS MAX <= 32 0
DAYS MIN <= 32 0
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 14.18 1977
MINIMUM 0.04 1919
TOTALS 0.68 4.23 -3.55
DAYS >= .01 5
DAYS >= .10 1
DAYS >= .50 1
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.61 09/23 TO 09/23
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 0 7 -7
SINCE 7/1 0 5 -5
COOLING TOTAL 479 276 203
SINCE 1/1 2294 1849 445
................................................
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 7 RAIN 1
SNOW 0 FOG 2
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.
$$
663
CXUS54 KMRX 011215
CLMTYS
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
815 AM EDT THU OCT 01 2026
...................................
...THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2026
WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
................................................
TEMPERATURE (F)
HIGHEST 98 09/04
LOWEST 50 09/27
AVG. MAXIMUM 88.8 82.5 6.3
AVG. MINIMUM 66.4 61.1 5.3
MEAN 77.6 71.8 5.8
DAYS MAX >= 90 17
DAYS MAX <= 32 0
DAYS MIN <= 32 0
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 9.19 1989
MINIMUM 0.03 2019
TOTALS 1.99 3.49 -1.50
DAYS >= .01 7
DAYS >= .10 4
DAYS >= .50 1
DAYS >= 1.00 1
GREATEST
24 HR. TOTAL 1.18 09/23 TO 09/23
SNOWFALL (INCHES)
TOTALS 0.0 0.0 0.0
SINCE 7/1 0.0
SNOWDEPTH AVG. 0
DAYS >= TRACE 0
GREATEST
SNOW DEPTH 0
DEGREE DAYS
HEATING TOTAL 1 17 -16
SINCE 7/1 1 14 -13
COOLING TOTAL 387 220 167
SINCE 1/1 1979 1527 452
................................................
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 7 RAIN 4
SNOW 0 FOG 16
FOG W/VIS <= 1/4 MILE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$
661
CXUS54 KMRX 011215
CLMTRI
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
815 AM EDT THU OCT 01 2026
...................................
...THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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 97 09/04
LOWEST 45 09/28
AVG. MAXIMUM 86.3 80.7 5.6
AVG. MINIMUM 60.3 56.4 3.9
MEAN 73.3 68.6 4.7
DAYS MAX >= 90 12
DAYS MAX <= 32 0
DAYS MIN <= 32 0
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 7.66 2024
MINIMUM 0.50 1985
TOTALS 1.71 2.84 -1.13
DAYS >= .01 7
DAYS >= .10 6
DAYS >= .50 1
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.80 09/23 TO 09/24
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 16 36 -20
SINCE 7/1 16 35 -19
COOLING TOTAL 272 142 130
SINCE 1/1 1396 1084 312
................................................
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 9 RAIN 2
SNOW 0 FOG 25
FOG W/VIS <= 1/4 MILE 9
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$
.PNG)
Regional Temperature and Precipitation Graphs:
Included below are graphs for Temperature, Departure from Normal Temperature, Precipitation, and Departure from Normal Precipitation.
Local Radar
Huntsville Radar
Regional Satellite
Graphical Forecast
Weather Map
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