Fort Smith weather live forecast

Today's maximum temperature in Fort Smith is expected to be 26°C. Select a day from the live weather forecast for Fort Smith, Arkansas, USA for more weather parameters.

Wednesday
20th May
26

18

3

UV6
Thursday
21st May
23

20

1

UV4
Friday
22nd May
27

20

6

UV7
Saturday
23rd May
26

20

5

UV6
Sunday
24th May
27

20

5

UV4

5-day weather forecast updated at 04:01 on Wednesday 20th May 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 Wednesday 20th May 2026

Expect isolated thunderstorms in Fort Smith, Arkansas with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 43% chance of some rain and little or no wind of 4 kph from the north-west.

26
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
UV6
UV index (High)
43
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
4
kph wind from NW

Fort Smith weather for Thursday 21st May 2026

Expect isolated thunderstorms in Fort Smith, Arkansas with a maximum temperature of 23°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 75% chance of some rain and a light breeze of 8 kph from the east.

23
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
UV4
UV index (Moderate)
75
% chance of some rain
<10
mm of rainfall expected
23
°C wind chill
8
kph wind from E

Fort Smith weather for Friday 22nd May 2026

Expect isolated thunderstorms in Fort Smith, Arkansas with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 48% chance of some rain and little or no wind of 4 kph from the south-west.

27
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
UV7
UV index (High)
48
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
4
kph wind from SW

Fort Smith weather for Saturday 23rd May 2026

Expect isolated thunderstorms in Fort Smith, Arkansas with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 55% chance of some rain and little or no wind of 3 kph from the north-east.

26
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
UV6
UV index (High)
55
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
3
kph wind from NE

Fort Smith weather for Sunday 24th May 2026

Expect isolated thunderstorms in Fort Smith, Arkansas with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 58% chance of some rain and little or no wind of 3 kph from the east.