Severe thunderstorms are expected from central Texas to middle Tennessee and Kentucky this afternoon into tonight. Large hail and damaging winds are the main threats. Heavy to excessive rainfall may produce areas of flooding today and tonight from central Texas into the lower Mississippi Valley. 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/.
951
CXUS54 KMRX 012042
CLMCHA
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
442 PM EDT THU MAY 01 2025
...................................
...THE CHATTANOOGA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 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 88 04/04
LOWEST 37 04/09
AVG. MAXIMUM 76.5 73.6 2.9
AVG. MINIMUM 53.4 49.9 3.5
MEAN 64.9 61.7 3.2
DAYS MAX >= 90 0
DAYS MAX <= 32 0
DAYS MIN <= 32 0
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 15.29 1911
MINIMUM 0.44 1942
TOTALS 5.07 4.87 0.20
DAYS >= .01 10
DAYS >= .10 7
DAYS >= .50 2
DAYS >= 1.00 2
GREATEST
24 HR. TOTAL 2.76 04/06 TO 04/07
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 95 147 -52
SINCE 7/1 2603 2996 -393
COOLING TOTAL 99 50 49
SINCE 1/1 107 61 46
................................................
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 7 RAIN 6
SNOW 0 FOG 9
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.
$$
077
CXUS54 KMRX 012042
CLMTYS
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
442 PM EDT THU MAY 01 2025
...................................
...THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025
WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
................................................
TEMPERATURE (F)
HIGHEST 87 04/04
LOWEST 34 04/09
04/13
AVG. MAXIMUM 74.5 71.2 3.3
AVG. MINIMUM 52.8 48.0 4.8
MEAN 63.7 59.6 4.1
DAYS MAX >= 90 0
DAYS MAX <= 32 0
DAYS MIN <= 32 0
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 17.62 1874
MINIMUM 0.39 1976
TOTALS 5.41 4.71 0.70
DAYS >= .01 10
DAYS >= .10 8
DAYS >= .50 4
DAYS >= 1.00 2
GREATEST
24 HR. TOTAL 1.81 04/23 TO 04/24
SNOWFALL (INCHES)
TOTALS 0.0 0.0 0.0
SINCE 7/1 7.5
SNOWDEPTH AVG. 0
DAYS >= TRACE 0
GREATEST
SNOW DEPTH 0
DEGREE DAYS
HEATING TOTAL 136 198 -62
SINCE 7/1 3088 3476 -388
COOLING TOTAL 103 36 67
SINCE 1/1 109 41 68
................................................
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 7 RAIN 5
SNOW 0 FOG 10
FOG W/VIS <= 1/4 MILE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$
869
CXUS54 KMRX 012042
CLMTRI
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
442 PM EDT THU MAY 01 2025
...................................
...THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 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 86 04/03
04/04
04/05
LOWEST 28 04/09
04/13
AVG. MAXIMUM 73.2 69.4 3.8
AVG. MINIMUM 47.5 43.3 4.2
MEAN 60.3 56.4 3.9
DAYS MAX >= 90 0
DAYS MAX <= 32 0
DAYS MIN <= 32 4
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 7.55 2020
MINIMUM 0.21 1976
TOTALS 3.08 3.79 -0.71
DAYS >= .01 11
DAYS >= .10 7
DAYS >= .50 2
DAYS >= 1.00 1
GREATEST
24 HR. TOTAL 1.29 04/06 TO 04/07
SNOWFALL (INCHES)
TOTALS 0.0 0.1 -0.1
SINCE 7/1 7.9
SNOWDEPTH AVG. 0
DAYS >= TRACE 0
GREATEST
SNOW DEPTH 0
DEGREE DAYS
HEATING TOTAL 193 272 -79
SINCE 7/1 3719 4051 -332
COOLING TOTAL 59 13 46
SINCE 1/1 59 14 45
................................................
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 4 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.
$$
.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
Daily Graphics
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