Fort Smith weather live forecast

Today's maximum temperature in Fort Smith is expected to be 37°C. Select a day from the live weather forecast for Fort Smith, Arkansas, USA for more weather parameters.

Monday
20th Jul
37

27

11

10
Tuesday
21st Jul
39

27

11

10
Wednesday
22nd Jul
38

29

12

10
Thursday
23rd Jul
36

26

14

10
Friday
24th Jul
37

25

9

10

5-day weather forecast updated at 04:01 on Monday 20th July 2026 GMT

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The 5-day weather forecast for Arkansas (Fort Smith) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Fort Smith weather forecast by day

Below are the detailed weather forecasts for Fort Smith for the next 5 days.

Fort Smith weather for Monday 20th July 2026

Expect scattered clouds in Fort Smith, Arkansas with a maximum temperature of 37°C, very high levels of heat & humidity, maximum UV of 10 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the west.

37
°C maximum temperature
27
°C minimum temperature
scattered clouds
11
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
VH
very high heat & humidity
4
kph wind from W

Fort Smith weather for Tuesday 21st July 2026

Expect scattered clouds in Fort Smith, Arkansas with a maximum temperature of 39°C, very high levels of heat & humidity, maximum UV of 10 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the west.

39
°C maximum temperature
27
°C minimum temperature
scattered clouds
11
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
VH
very high heat & humidity
4
kph wind from W

Fort Smith weather for Wednesday 22nd July 2026

Expect scattered clouds in Fort Smith, Arkansas with a maximum temperature of 38°C, very high levels of heat & humidity, maximum UV of 10 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the east.

38
°C maximum temperature
29
°C minimum temperature
scattered clouds
12
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
VH
very high heat & humidity
7
kph wind from E

Fort Smith weather for Thursday 23rd July 2026

Expect clear skies in Fort Smith, Arkansas with a maximum temperature of 36°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the east.

36
°C maximum temperature
26
°C minimum temperature
clear skies
14
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
11
kph wind from E

Fort Smith weather for Friday 24th July 2026

Expect scattered clouds in Fort Smith, Arkansas with a maximum temperature of 37°C, very high levels of heat & humidity, maximum UV of 10 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-east.