Fort Smith weather live forecast

Today's maximum temperature in Fort Smith is expected to be 88°F. Select a day from the live weather forecast for Fort Smith, Arkansas, USA for more weather parameters.

Saturday
20th Jun
88

72

8

9
Sunday
21st Jun
91

73

6

8
Monday
22nd Jun
86

75

2

7
Tuesday
23rd Jun
84

73

4

4
Wednesday
24th Jun
84

73

5

7

5-day weather forecast updated at 04:01 on Saturday 20th June 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 Saturday 20th June 2026

Expect isolated thunderstorms in Fort Smith, Arkansas with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 5-10 mm of rainfall expected with 55% chance of some rain and little or no wind of 2 mph from the south-east.

88
°F maximum temperature
72
°F minimum temperature
isolated thunderstorms
8
hours of sunshine
9
UV index (Very High)
55
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
2
mph wind from SE

Fort Smith weather for Sunday 21st June 2026

Expect broken clouds in Fort Smith, Arkansas with a maximum temperature of 91°F, high levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-west.

91
°F maximum temperature
73
°F minimum temperature
broken clouds
6
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
9
mph wind from SW

Fort Smith weather for Monday 22nd June 2026

Expect isolated thunderstorms in Fort Smith, Arkansas with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 2 hours of bright sunshine. There are 30-40 mm of rainfall expected with 88% chance of some rain and a light breeze of 5 mph from the south-west.

86
°F maximum temperature
75
°F minimum temperature
isolated thunderstorms
2
hours of sunshine
7
UV index (High)
88
% chance of some rain
<40
mm of rainfall expected
M
moderate heat & humidity
5
mph wind from SW

Fort Smith weather for Tuesday 23rd June 2026

Expect isolated thunderstorms in Fort Smith, Arkansas with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 20-30 mm of rainfall expected with 64% chance of some rain and little or no wind of 2 mph from the east.

84
°F maximum temperature
73
°F minimum temperature
isolated thunderstorms
4
hours of sunshine
4
UV index (Moderate)
64
% chance of some rain
<30
mm of rainfall expected
M
moderate heat & humidity
2
mph wind from E

Fort Smith weather for Wednesday 24th June 2026

Expect isolated thunderstorms in Fort Smith, Arkansas with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 57% chance of some rain and little or no wind of 3 mph from the east.