Fort Smith weather live forecast

Today's maximum temperature in Fort Smith is expected to be 81°F. Select a day from the live weather forecast for Fort Smith, Arkansas, USA for more weather parameters.

Sunday
14th Jun
81

72

5

5
Monday
15th Jun
79

68

8

9
Tuesday
16th Jun
86

66

11

9
Wednesday
17th Jun
91

72

9

8
Thursday
18th Jun
91

79

6

4

5-day weather forecast updated at 04:01 on Sunday 14th 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 Sunday 14th June 2026

Expect isolated thunderstorms in Fort Smith, Arkansas with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 44% chance of some rain and little or no wind of 4 mph from the north.

81
°F maximum temperature
72
°F minimum temperature
isolated thunderstorms
5
hours of sunshine
5
UV index (Moderate)
44
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
4
mph wind from N

Fort Smith weather for Monday 15th June 2026

Expect isolated thunderstorms in Fort Smith, Arkansas with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 21% chance of some rain and little or no wind of 2 mph from the north-east.

79
°F maximum temperature
68
°F minimum temperature
isolated thunderstorms
8
hours of sunshine
9
UV index (Very High)
21
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
2
mph wind from NE

Fort Smith weather for Tuesday 16th June 2026

Expect scattered clouds in Fort Smith, Arkansas with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 mph from the south-west.

86
°F maximum temperature
66
°F minimum temperature
scattered clouds
11
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
2
mph wind from SW

Fort Smith weather for Wednesday 17th June 2026

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

91
°F maximum temperature
72
°F minimum temperature
scattered clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
9
mph wind from S

Fort Smith weather for Thursday 18th June 2026

Expect isolated thunderstorms in Fort Smith, Arkansas with a maximum temperature of 91°F, high levels of heat & humidity, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 78% chance of some rain and a light breeze of 6 mph from the south.