Twin Falls 7-day weather forecast

Written by:
March 23, 2026
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Twin Falls 7-day weather forecast

created the forecast for Twin Falls, Idaho using data from . This week's high is 83 掳F on Sunday, while the low is 34 掳F on Monday. There are expected to be 5 sunny days and rain on 2 days this week.

NWS Boise ID has issued a freeze warning until Monday at 08:00 AM.

Monday, May 18

- High of 62 掳F, low of 34 掳F (23% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:13 AM, sunset at 8:55 PM
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1 / 6
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Tuesday, May 19

- High of 68 掳F, low of 42 掳F (23% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:12 AM, sunset at 8:56 PM
2 / 6
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Wednesday, May 20

- High of 68 掳F, low of 45 掳F (31% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 6:11 AM, sunset at 8:57 PM
3 / 6
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Thursday, May 21

- High of 68 掳F, low of 46 掳F (45% humidity)
- Sunny with a 100% chance of rain (2 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 6:10 AM, sunset at 8:58 PM
4 / 6
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Friday, May 22

- High of 74 掳F, low of 46 掳F (30% humidity)
- Fair with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 6:09 AM, sunset at 8:59 PM
5 / 6
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Saturday, May 23

- High of 82 掳F, low of 53 掳F (19% humidity)
- Partly cloudy with a 20% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 6:08 AM, sunset at 9:00 PM
- First quarter moon
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6 / 6
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Sunday, May 24

- High of 83 掳F, low of 57 掳F (22% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:08 AM, sunset at 9:01 PM

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