Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Local Climatic Information

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/.

Chattanooga Climate Data for Previous Month

                        
242
CXUS54 KMRX 011412
CLMCHA

CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
1012 AM EDT TUE JUL 01 2025

...................................

...THE CHATTANOOGA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JUNE 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)
HIGHEST           96   06/25
LOWEST            61   06/01
                       06/02
AVG. MAXIMUM    88.6               87.6     1.0
AVG. MINIMUM    68.7               67.3     1.4
MEAN            78.6               77.4     1.2
DAYS MAX >= 90    11
DAYS MAX <= 32     0
DAYS MIN <= 32     0
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        9.40   1949
 MINIMUM        0.29   1931
TOTALS          4.20               4.18    0.02
DAYS >= .01       15
DAYS >= .10       10
DAYS >= .50        3
DAYS >= 1.00       1
GREATEST
 24 HR. TOTAL   1.36   06/13 TO 06/14

SNOWFALL (INCHES)
TOTALS           0.0                0.0     0.0
SINCE 7/1        4.1
SNOWDEPTH AVG.     0
DAYS >= TRACE      0
GREATEST
 SNOW DEPTH        0

DEGREE DAYS
HEATING TOTAL      0                  1      -1
 SINCE 7/1      2629               3026    -397
COOLING TOTAL    413                374      39
 SINCE 1/1       681                620      61
................................................


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             16     RAIN                      11
SNOW                      0     FOG                       12
FOG W/VIS <= 1/4 MILE     2

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$

Knoxville Climate Data for Previous Month

                        
243
CXUS54 KMRX 011412
CLMTYS

CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
1012 AM EDT TUE JUL 01 2025

...................................

...THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JUNE 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)
HIGHEST           96   06/24
                       06/25
LOWEST            59   06/01
AVG. MAXIMUM    87.5               85.7     1.8
AVG. MINIMUM    67.6               64.9     2.7
MEAN            77.6               75.3     2.3
DAYS MAX >= 90    10
DAYS MAX <= 32     0
DAYS MIN <= 32     0
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       11.83   1928
 MINIMUM        0.20   1944
TOTALS          2.49               4.24   -1.75
DAYS >= .01       14
DAYS >= .10        6
DAYS >= .50        2
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.92   06/09 TO 06/10

SNOWFALL (INCHES)
TOTALS           0.0                0.0     0.0
SINCE 7/1        7.5
SNOWDEPTH AVG.     0
DAYS >= TRACE      0
GREATEST
 SNOW DEPTH        0

DEGREE DAYS
HEATING TOTAL      0                  2      -2
 SINCE 7/1      3128               3527    -399
COOLING TOTAL    385                311      74
 SINCE 1/1       604                495     109
................................................


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             12     RAIN                       6
SNOW                      0     FOG                       13
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.

$$

Bristol/Tri-Cities Climate Data for Previous Month

                        
244
CXUS54 KMRX 011412
CLMTRI

CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
1012 AM EDT TUE JUL 01 2025

...................................

...THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JUNE 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)
HIGHEST           94   06/24
LOWEST            48   06/02
                       06/03
AVG. MAXIMUM    85.2               83.8     1.4
AVG. MINIMUM    62.7               60.7     2.0
MEAN            74.0               72.3     1.7
DAYS MAX >= 90     4
DAYS MAX <= 32     0
DAYS MIN <= 32     0
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        8.37   2013
 MINIMUM        0.75   1986
TOTALS          5.53               3.92    1.61
DAYS >= .01       12
DAYS >= .10        9
DAYS >= .50        6
DAYS >= 1.00       2
GREATEST
 24 HR. TOTAL   1.14   06/30 TO 06/30

SNOWFALL (INCHES)
TOTALS           0.0                0.0     0.0
SINCE 7/1        7.9
SNOWDEPTH AVG.     0
DAYS >= TRACE      0
GREATEST
 SNOW DEPTH        0

DEGREE DAYS
HEATING TOTAL      2                  7      -5
 SINCE 7/1      3800               4146    -346
COOLING TOTAL    278                225      53
 SINCE 1/1       393                320      73
................................................


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             12     RAIN                       6
SNOW                      0     FOG                       27
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.

$$