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Fort Smith 7-day weather forecast
Stacker created the forecast for Fort Smith, Arkansas using data from OpenWeather. This week's high is 97 °F on Tuesday, while the low is 66 °F on Thursday. There are expected to be 2 sunny days and rain on 7 days this week.
There are currently no weather alerts.
Monday, September 15
- High of 93 °F, low of 70 °F (30% humidity)- Mostly sunny with a 60% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Light breeze (5 mph wind)
- Sunrise at 7:00 AM, sunset at 7:25 PM
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1 / 6
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Tuesday, September 16
- High of 97 °F, low of 68 °F (34% humidity)
- Sunny with a 100% chance of rain (4 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 7:01 AM, sunset at 7:23 PM
- Sunny with a 100% chance of rain (4 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 7:01 AM, sunset at 7:23 PM

2 / 6
Dmitry Naumov // Shutterstock
Wednesday, September 17
- High of 96 °F, low of 67 °F (35% humidity)
- Mostly cloudy with a 100% chance of rain (3 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Light breeze (7 mph wind)
- Sunrise at 7:02 AM, sunset at 7:22 PM
- Mostly cloudy with a 100% chance of rain (3 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Light breeze (7 mph wind)
- Sunrise at 7:02 AM, sunset at 7:22 PM

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Thursday, September 18
- High of 91 °F, low of 66 °F (42% humidity)
- Mostly cloudy with a 100% chance of rain (12 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 7:02 AM, sunset at 7:20 PM
- Mostly cloudy with a 100% chance of rain (12 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 7:02 AM, sunset at 7:20 PM

4 / 6
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Friday, September 19
- High of 89 °F, low of 66 °F (51% humidity)
- Partly cloudy with a 100% chance of rain (5 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (5 mph wind)
- Sunrise at 7:03 AM, sunset at 7:19 PM
- Partly cloudy with a 100% chance of rain (5 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (5 mph wind)
- Sunrise at 7:03 AM, sunset at 7:19 PM

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Maxim Grohotov // Shutterstock
Saturday, September 20
- High of 92 °F, low of 66 °F (45% humidity)
- Mostly cloudy with a 31% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (6 mph wind)
- Sunrise at 7:04 AM, sunset at 7:17 PM
- Mostly cloudy with a 31% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (6 mph wind)
- Sunrise at 7:04 AM, sunset at 7:17 PM
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Andrzej Kubik // Shutterstock
Sunday, September 21
- High of 95 °F, low of 68 °F (36% humidity)
- Partly cloudy with a 64% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 7:05 AM, sunset at 7:16 PM
- New moon
- Partly cloudy with a 64% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 7:05 AM, sunset at 7:16 PM
- New moon