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Tishomingo County, MS Weather and Climate Synopsis

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US Weekly Rainfall Departure



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A joint service of the UK Ag Weather Center and the National Weather Service.

209 AM CDT Tue Jul 21 2026

...New DISCUSSION...

.KEY MESSAGES... 

- Dangerous heat stress conditions will continue through the 
  middle of this week.

- Tropical Bertha is forecast to stay south of our forecast area,
  with the probability of hazardous impacts in our area very low 
  at this time.

National Ag. Weather Outlook, International Ag. Weather Summary
Current Surface Map, [2nd Source TWC]

Click here for UKAWC Point Agricultural, Lawn & Garden Forecast/Outlook in case of corrupt tables.
Regional Hourly Observations For TISHOMINGO County
400 AM CDT TUE JUL 21 2026
CORINTH        CLEAR     75  75 100 CALM      29.87S                  
GOLDN TRIANGLE CLEAR     77  76  96 S3        29.87S                  
IUKA           CLEAR     74  74 100 CALM      29.90R                  
LOUISVILLE     CLOUDY    77  75  94 CALM      29.89S                  
STARKVILLE     CLOUDY    77  77 100 CALM      29.84F                  
TUPELO         CLEAR     76  76 100 CALM      29.87R                  

Current Temperatures, Dewpoint, RH, Wind, Regional Obs, Surface 4-Panel


Current Agricultural Weather Conditions in Mississippi
Based on observations at 400am CDT, Tuesday July 21, 2026

Across Mississippi...temperatures are near 76 degrees north, near 79 degrees central, and near 79 degrees south. Current sky conditions are clear north, clear central, and clear south. In the north, relative humidity is near 100%, and the dew point is near 76 degrees. In the central part of the state, relative humidity is near 97%, and the dew point is near 78 degrees. In the south, relative humidity is near 82%, and the dew point is near 73 degrees. The livestock heat stress category is no stress north, no stress central, and no stress south. Winds are calm north, where conditions are favorable for spraying. Winds are calm central, where conditions are favorable for spraying. Winds are from the northeast at 8 mph south, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 80 degrees at Jackson Hawkins Field. The lowest temperature is 75 degrees at Pascagoula and Meridian Naval Air Station.


Current NOWCAST not available:
Nowcasts are not issued routinely during fair weather. Only when
precipitation or other significant weather is occuring in this county will these
forecasts be issued. Currently, there is no short term forecast in effect.

US Radar, All NWS Radars (In near-real time), Current Livestock Heat Stress Index (LSI), Current Wind Chill Map
Hazardous Weather Outlook For TISHOMINGO County
Hazardous report currently not available
NWS Severe Weather Map , Convective Outlook

7-Day Forecast For TISHOMINGO County, MS
305 AM CDT Tue Jul 21 2026


HEAT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING

TODAY
Patchy fog early this morning. Mostly sunny. Humid with highs in the mid 90s. Light and variable winds, becoming south around 5 mph. Heat index values up to 108.

TONIGHT
Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Humid with lows in the mid 70s. South winds around 5 mph. Chance of rain 50 percent. Heat index values up to 105 early in the evening.

WEDNESDAY
Mostly sunny. Humid with highs around 90. North winds 5 to 10 mph.

WEDNESDAY NIGHT
Partly cloudy. Lows around 70. North winds 5 to 10 mph.

THURSDAY
Mostly sunny. Highs in the upper 80s. North winds around 5 mph.

THURSDAY NIGHT
Partly cloudy. Lows in the upper 60s.

FRIDAY
Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent.

FRIDAY NIGHT
Mostly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 70s. Chance of rain 30 percent.

SATURDAY
Mostly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 40 percent.

SATURDAY NIGHT
Partly cloudy in the evening, then clearing. A slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent.

SUNDAY
Sunny. A slight chance of showers and thunderstorms in the morning. Highs in the lower 90s. Chance of rain 20 percent.

SUNDAY NIGHT
Mostly clear. Lows in the mid 70s.

MONDAY
Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent.

12-48 Hr Surface Forecast Maps, TWC 4-Panel Surface Forecast, Fire Danger, Day 1 Precip, Day 2 Precip, Days 1-5 Precip, Severe Weather Pot.-Day 1, Day 2


Medium & Long Range Outlook For Mississippi
                          MISSISSIPPI                                                                     
                 ---------------------------------------------
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                   JUL 26-30 JUL 28-AUG 3    JUN       JUN-AUG                      
                 -----------  -----------  --------  ---------
   Temperature:      Above        Above                                            
 Precipitation:     Normal       Normal                                            

....  Medium and long range outlooks provided by NCEP/K. Thomas Priddy
5 Day Rainfall Forecast, 6 to 10 Day , 8 to 14 Day , Text, 30-Day Outook, 90-Day Outook, 120-Day Outlook
Almanac Information


Historical Weather And Climate Facts For Today

///////////////////////
JULY 21ST...HISTORIC WEATHER EVENTS
...1896...
Shelbyville, Kentucky's wettest day on record, with 7.15 inches of rain.
...1911...
The temperature at Painter WY dipped to 10 degrees to equal the record low
for July for the continental U.S. (The Weather Channel)
...1934...
The temperature reached 109 degrees at Cincinnati OH to cap their hottest
summer of record. The state record for Ohio was established that day with a
reading of 113 degrees near the town of Gallipolis. (David Ludlum)
...1975...
Six inches of rain fell across Mercer County NJ in just ten hours causing
the worst flooding in twenty years. Assunpink Creek crested eleven feet
above flood stage at Hamilton and Trenton, the highest level of record.
Traffic was brought to a standstill, and railway service between New York
City and Washington D.C. was cut off for two days. Flooding left 1000
persons homeless, and caused an estimated 25 million dollars damage. (David
Ludlum)
...1987...
Thunderstorms produced severe weather from Utah to North Dakota, spawning a
dozen tornadoes in North Dakota. Thunderstorms in North Dakota also
produced baseball size hail at Clifford which caused four million dollars
damage, and high winds which toppled a couple of eighty foot towers cutting
off power to the town of Blanchard. (The National Weather Summary) (Storm
Data)
...1988...
While cool air invaded the central U.S., unseasonably hot weather continued
over the western states. The temperature at Spring Valley NV soared from a
morning low of 35 degrees to an afternoon high of 95 degrees. Fallon NV
reported an all-time record high of 108 degrees, and Death Valley CA
reported their sixth straight day of 120 degree heat. (The Weather Channel)
(The National Weather Summary)
...1989...
Afternoon thunderstorms over Florida produced wind gusts to 92 mph at
Jacksonville, damaging thirteen light planes at Herlong Field. Five cities
in Texas reported record low temperatures for the date. Corpus Christi TX
equalled their record low for the date with a reading of 71 degrees, and
then tied their record high for the date that afternoon with a reading of
97 degrees. (The National Weather Summary) (Storm Data)
...2006...
After two week's of very hot weather conditions in Kentucky, cool air from
Canada moved into the Bluegrass state and provided temperatures in the upper 70's
and low 80's. (UKAWC)

Ag Weather Center, Department of Biosystems & Agricultural Engineering, University of Kentucky