A slow moving storm system over the northern Gulf Coast will continue periods of showers and thunderstorms over much of the Southeast U.S. through this weekend. The risk for heavy to excessive rainfall increases on Sunday as a surge of increased moisture moves over parts of northern Florida into southern Georgia. Read More >
Morristown, TN Area Seasonal Climate Summary
All normals are based on 30 year climate period from 1981 - 2010.
Chattanooga (CHA) period of record is from 1879 - Current.
Knoxville (TYS) period of record is from 1871 - Current.
Tri-Cities (TRI) period of record is from 1937 - Current.
Seasonal Averages/Totals and Normals
Chattanooga Seasonal Averages/Totals and Normals
927
CXUS54 KMRX 012256
CLSCHA
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
556 PM EST SAT MAR 01 2025
...................................
...THE CHATTANOOGA AIRPORT CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2024 TO 2/28/2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1879 TO 2025
WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
................................................
TEMPERATURE (F)
RECORD
HIGH 82 02/22/2023
LOW -10 01/21/1985
01/31/1966
02/13/1899
HIGHEST 79 02/26
LOWEST 12 01/22
AVG. MAXIMUM 54.1
AVG. MINIMUM 33.1
MEAN 43.6 43.9 -0.3
DAYS MAX >= 90 0
DAYS MIN <= 32 51
PRECIPITATION (INCHES)
RECORD
MAXIMUM 30.94 1962
MINIMUM 6.57 1904
TOTALS 11.68 15.30 -3.62
DAILY AVG. 0.13
DAYS >= .01 24
DAYS >= .10 17
DAYS >= .50 10
DAYS >= 1.00 2
GREATEST
24 HR. TOTAL 2.19 02/12 TO 02/12
02/11 TO 02/12
02/12 TO 02/12
SNOWFALL (INCHES)
TOTALS 4.1
SINCE 7/1 4.1
SNOWDEPTH AVG. 0
DAYS >= TRACE 6
DAYS >= 1.0 1
GREATEST
SNOW DEPTH 3R 01/11
DEGREE DAYS
HEATING TOTAL 1916 1911 5
COOLING TOTAL 2 2 0
................................................
WIND (MPH)
HIGHEST WIND SPEED/DIRECTION 29/210 DATE 12/29
HIGHEST GUST SPEED/DIRECTION 46/250 DATE 12/31
SKY COVER
AVERAGE SKY COVER 0.55
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 4 MIXED PRECIP 0
HEAVY RAIN 8 RAIN 18
LIGHT RAIN 31 FREEZING RAIN 0
LT FREEZING RAIN 1 HAIL 1
HEAVY SNOW 1 SNOW 1
LIGHT SNOW 8 SLEET 1
FOG 36 FOG W/VIS <= 1/4 MILE 6
HAZE 13
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$
Knoxville Seasonal Averages/Totals and Normals
928
CXUS54 KMRX 012256
CLSTYS
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
556 PM EST SAT MAR 01 2025
...................................
...THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2024 TO 2/28/2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025
WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
................................................
TEMPERATURE (F)
RECORD
HIGH 83 02/23/1996
02/26/1977
LOW -24 01/21/1985
HIGHEST 74 02/26
LOWEST 8 01/22
AVG. MAXIMUM 50.3
AVG. MINIMUM 31.0
MEAN 40.7 41.3 -0.6
DAYS MAX >= 90 0 0.0 0.0
DAYS MIN <= 32 55 48.4 6.6
PRECIPITATION (INCHES)
RECORD
MAXIMUM 28.40 1882
MINIMUM 5.75 2007
TOTALS 12.99 14.57 -1.58
DAILY AVG. 0.14
DAYS >= .01 30
DAYS >= .10 23
DAYS >= .50 11
DAYS >= 1.00 2
GREATEST
24 HR. TOTAL 1.42 02/12 TO 02/13
SNOWFALL (INCHES)
TOTALS 7.5
SINCE 7/1 7.5
SNOWDEPTH AVG. 0
DAYS >= TRACE 13
DAYS >= 1.0 2
GREATEST
SNOW DEPTH 3 01/11
01/12
DEGREE DAYS
HEATING TOTAL 2182 2137 45
COOLING TOTAL 1 1 0
................................................
WIND (MPH)
HIGHEST WIND SPEED/DIRECTION 41/240 DATE 02/16
HIGHEST GUST SPEED/DIRECTION 58/260 DATE 02/16
SKY COVER
AVERAGE SKY COVER 0.61
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 6 MIXED PRECIP 0
HEAVY RAIN 14 RAIN 17
LIGHT RAIN 32 FREEZING RAIN 0
LT FREEZING RAIN 1 HAIL 0
HEAVY SNOW 1 SNOW 3
LIGHT SNOW 13 SLEET 3
FOG 34 FOG W/VIS <= 1/4 MILE 6
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$
Tri-Cities Seasonal Averages/Totals and Normals
075
CXUS54 KMRX 012256
CLSTRI
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
556 PM EST SAT MAR 01 2025
...................................
...THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2024 TO 2/28/2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1937 TO 2025
WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
................................................
TEMPERATURE (F)
RECORD
HIGH 82 02/21/2018
LOW -21 01/21/1985
HIGHEST 73 02/06
02/08
LOWEST 4 01/22
AVG. MAXIMUM 48.6
AVG. MINIMUM 27.4
MEAN 38.0 38.6 -0.6
DAYS MAX >= 90 0
DAYS MIN <= 32 61
PRECIPITATION (INCHES)
RECORD
MAXIMUM 20.01 2019
MINIMUM 4.54 1941
TOTALS 9.65 11.22 -1.57
DAILY AVG. 0.11
DAYS >= .01 38
DAYS >= .10 22
DAYS >= .50 9
DAYS >= 1.00 1
GREATEST
24 HR. TOTAL 1.06 02/11 TO 02/12
SNOWFALL (INCHES)
TOTALS 7.5
SINCE 7/1 7.9
SNOWDEPTH AVG. 0
DAYS >= TRACE 23
DAYS >= 1.0 4
GREATEST
SNOW DEPTH 2 01/11
02/20
DEGREE DAYS
HEATING TOTAL 2419 2380 39
COOLING TOTAL 0 0 0
................................................
WIND (MPH)
HIGHEST WIND SPEED/DIRECTION 39/240 DATE 12/31
HIGHEST GUST SPEED/DIRECTION 57/240 DATE 12/31
SKY COVER
AVERAGE SKY COVER 0.62
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 2 MIXED PRECIP 0
HEAVY RAIN 7 RAIN 13
LIGHT RAIN 34 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 3
LIGHT SNOW 23 SLEET 3
FOG 42 FOG W/VIS <= 1/4 MILE 5
HAZE 9
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$
Monthly Averages, Totals and Normals
For recent monthly data, please review the Monthly Weather Summary product at: http://w2.weather.gov/climate/index.php?wfo=mrx.
MOST RECENT RECORDS
For recent records, please visit our Record Event Report (RER) products for Chattanooga (CHA), Knoxville (TYS), and Tri-Cities (TRI).
205
SXUS74 KMRX 070842
RERCHA
RECORD EVENT REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
0441 AM EDT MON APR 07 2025
...RECORD DAILY MAXIMUM RAINFALL SET AT CHATTANOOGA TN...
A RECORD RAINFALL OF 2.71 INCHES WAS SET AT CHATTANOOGA, TN
YESTERDAY.
THIS BREAKS THE OLD RECORD OF 2.1 INCHES SET IN 1892.
$$
453
SXUS74 KMRX 060844
RERTYS
RECORD EVENT REPORT
NATIONAL WEATHER SERVICE MORRISTOWN TN
443 AM EDT SUN APR 6 2025
...RECORD DAILY HIGH MINIMUM TEMPERATURE SET AT KNOXVILLE MCGHEE
TYSON AIRPORT...
THE LOW TEMPERATURE YESTERDAY AT THE KNOXVILLE AIRPORT WAS 69
DEGREES.
THIS BREAKS THE OLD RECORD HIGH MINIMUM TEMPERATURE FOR APRIL THE
5TH...WHICH WAS 64 IN 2023
$$
563
SXUS74 KMRX 070842 RRA
RERTRI
RECORD EVENT REPORT
NATIONAL WEATHER SERVICE MORRISTOWN TN
441 AM EDT MON APR 7 2025
...RECORD DAILY HIGH MINIMUM TEMPERATURE SET AT TRI-CITIES REGIONAL
AIRPORT...
THE LOW TEMPERATURE YESTERDAY AT THE TRI-CITIES AIRPORT WAS 60
DEGREES.
THIS BREAKS THE OLD RECORD HIGH MINIMUM TEMPERATURE FOR APRIL THE
6TH...WHICH WAS 57 IN 1999
$$
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