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Horn Lake, MS Weather

Live radar, hourly and 7-day forecast, and National Weather Service alerts for Horn Lake, DeSoto County, Mississippi.

Updated Jul 29, 2026, 4:09 PM local time · Radar refreshes every 5 minutes

☀️
Horn Lake
Clear
94°F
Feels like 104°F
Wind 4 mph
Humidity 50%
Cloud cover 14%
UV index 8
Alerts 1

Active alerts (1)

Heat AdvisoryModerate
Cross; Crittenden; St. Francis; DeSoto; Marshall; Benton; Tippah; Alcorn; Tishomingo; Tate; Prentiss; Union; Shelby; Fayette; Hardeman; McNairy; Hardin
Until Jul 30, 2026, 1:00 AM
Full details
* WHAT...Heat index values up to 108.

* WHERE...Portions of East Arkansas, North Mississippi, and West
Tennessee.

* WHEN...Until 8 PM CDT this evening.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

Horn Lake weather radar

Light Heavy

Next 24 hours

Now
☀️
94°F
4%
5 PM
93°F
6%
6 PM
92°F
6%
7 PM
☀️
89°F
4%
8 PM
☀️
85°F
2%
9 PM
☀️
84°F
2%
10 PM
☀️
83°F
1%
11 PM
☀️
81°F
 
12 AM
☀️
80°F
 
1 AM
☁️
79°F
 
2 AM
☁️
78°F
 
3 AM
☀️
77°F
 
4 AM
☀️
76°F
 
5 AM
☀️
75°F
 
6 AM
☀️
74°F
 
7 AM
☀️
75°F
1%
8 AM
☀️
78°F
1%
9 AM
☀️
82°F
1%
10 AM
☀️
85°F
1%
11 AM
☀️
88°F
1%
12 PM
☀️
90°F
1%
1 PM
☀️
92°F
1%
2 PM
☀️
93°F
1%
3 PM
☀️
94°F
2%

7-day forecast

Today
Jul 29
🌦️
94°F
81°F
24%
Thu
Jul 30
☁️
95°F
74°F
2%
Fri
Jul 31
☁️
97°F
75°F
16%
Sat
Aug 1
☁️
92°F
70°F
49%
Sun
Aug 2
☁️
78°F
71°F
17%
Mon
Aug 3
☁️
87°F
68°F
17%
Tue
Aug 4
🌦️
93°F
69°F
23%

Weather near Horn Lake

3 mi Southaven, MS9 mi Hernando, MS12 mi Olive Branch, MS13 mi Memphis, TN16 mi Germantown, TN16 mi West Memphis, AR19 mi Bartlett, TN20 mi Cordova, TN
Alerts are relayed from the National Weather Service and may lag the official source. In a life-threatening situation always follow weather.gov and local emergency broadcasts.