Fort Smith weather live forecast

Today's maximum temperature in Fort Smith is expected to be 36°C. Select a day from the live weather forecast for Fort Smith, Arkansas, USA for more weather parameters.

5-day weather forecast updated at 04:01 on Friday 15th August 2025 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 Friday 15th August 2025

Expect scattered clouds in Fort Smith, Arkansas with a maximum temperature of 36°C, very 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 light breeze of 9 kph from the south.

  • 36°C maximum temperature36
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Light breeze of 9 kph from the South9
    kph wind from S

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Fort Smith weather for Saturday 16th August 2025

Expect broken clouds in Fort Smith, Arkansas with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south-east.

  • 35°C maximum temperature35
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Light breeze of 7 kph from the South-East7
    kph wind from SE

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Fort Smith weather for Sunday 17th August 2025

Expect scattered clouds in Fort Smith, Arkansas with a maximum temperature of 36°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south.

  • 36°C maximum temperature36
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Light breeze of 8 kph from the South8
    kph wind from S

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Fort Smith weather for Monday 18th August 2025

Expect scattered clouds in Fort Smith, Arkansas with a maximum temperature of 37°C, very high levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the south-east.

  • 37°C maximum temperature37
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Very high heat & humidityVH
    very high heat & humidity
  • Little or no wind of 5 kph from the South-East5
    kph wind from SE

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Fort Smith weather for Tuesday 19th August 2025

Expect isolated thunderstorms in Fort Smith, Arkansas with a maximum temperature of 37°C, very high levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 22% chance of some rain and little or no wind of 3 kph from the east.

  • 37°C maximum temperature37
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 22% chance of some rain22
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Very high heat & humidityVH
    very high heat & humidity
  • Little or no wind of 3 kph from the East3
    kph wind from E

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Metric (°C / mm)  |  Imperial (°F / inches)

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