Fort Smith, AR Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Fort Smith, Sebastian County, Arkansas.
Updated Jul 29, 2026, 3:03 PM local time · Radar refreshes every 5 minutes
🌤️
Fort Smith
101°F
Wind 4 mph
Humidity 39%
Cloud cover 21%
UV index 8
Alerts 2
Active alerts (2)
Heat AdvisoryModerate
North and Central Sebastian; Southern Crawford; Central and Southern Franklin; Southern Sebastian; Ottawa; Pawnee; Delaware; Cherokee; Western Osage; Northern Sequoyah
Until Jul 30, 2026, 6:15 AM
Full details
* WHAT...Heat index values up to 110 expected this afternoon and again Thursday afternoon. * WHERE...In Arkansas, Southern Crawford, Central and Southern Franklin, North and Central Sebastian, and Southern Sebastian Counties. In Oklahoma, Cherokee, Northern Sequoyah, Delaware, Ottawa, Pawnee, and Western Osage Counties. * WHEN...For the first Heat Advisory, until 9 PM CDT this evening. For the second Heat Advisory, from noon to 9 PM CDT Thursday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities. 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.
Heat AdvisoryModerate
North and Central Sebastian; Southern Crawford; Central and Southern Franklin; Southern Sebastian; Ottawa; Pawnee; Delaware; Cherokee; Western Osage; Northern Sequoyah
Until Jul 30, 2026, 6:15 AM
Full details
* WHAT...Heat index values up to 110 expected this afternoon and again Thursday afternoon. * WHERE...In Arkansas, Southern Crawford, Central and Southern Franklin, North and Central Sebastian, and Southern Sebastian Counties. In Oklahoma, Cherokee, Northern Sequoyah, Delaware, Ottawa, Pawnee, and Western Osage Counties. * WHEN...For the first Heat Advisory, until 9 PM CDT this evening. For the second Heat Advisory, from noon to 9 PM CDT Thursday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities. 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.
Fort Smith weather radar
Light
Heavy
Next 24 hours
Now
🌤️
101°F
14%
4 PM
⛅
101°F
18%
5 PM
☁️
94°F
23%
6 PM
🌧️
90°F
29%
7 PM
🌤️
88°F
17%
8 PM
☀️
87°F
17%
9 PM
☀️
84°F
18%
10 PM
☀️
85°F
15%
11 PM
☀️
83°F
9%
12 AM
☀️
82°F
7%
1 AM
☀️
81°F
3%
2 AM
☀️
80°F
4%
3 AM
🌤️
80°F
6%
4 AM
☀️
79°F
9%
5 AM
☀️
78°F
13%
6 AM
☀️
78°F
14%
7 AM
☀️
78°F
15%
8 AM
☀️
81°F
17%
9 AM
☁️
84°F
18%
10 AM
🌤️
87°F
16%
11 AM
☀️
92°F
20%
12 PM
☀️
97°F
18%
1 PM
☀️
99°F
13%
2 PM
☀️
101°F
9%
7-day forecast
Today
Jul 29
🌧️
101°F
83°F
29%
Thu
Jul 30
☁️
102°F
78°F
20%
Fri
Jul 31
🌦️
107°F
80°F
10%
Sat
Aug 1
🌦️
84°F
71°F
10%
Sun
Aug 2
☀️
93°F
65°F
2%
Mon
Aug 3
☀️
95°F
65°F
4%
Tue
Aug 4
☀️
98°F
64°F
4%
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