Waterloo 7-day weather forecast

Written by:
March 9, 2026
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Waterloo 7-day weather forecast

Stacker created the forecast for Waterloo, Iowa using data from OpenWeather. This week's high is 77 °F on Saturday, while the low is 7 °F on Tuesday. There is expected to be 1 sunny day and snow on 2 days this week.

NWS Des Moines IA has issued a high wind warning until Monday at 04:00 AM and a blizzard warning until Monday at 07:00 AM.

Monday, March 16

- High of 18 °F, low of 9 °F (72% humidity)
- Overcast with a 100% chance of snow (3 mm of snow)
- Moderate risk of harm from sun exposure (4 UV index)
- Strong breeze (29 mph wind)
- Sunrise at 7:19 AM, sunset at 7:16 PM
1 / 6
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Tuesday, March 17

- High of 22 °F, low of 7 °F (63% humidity)
- Overcast with a 100% chance of snow (4 mm of snow)
- Moderate risk of harm from sun exposure (5 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 7:17 AM, sunset at 7:17 PM
2 / 6
Canva

Wednesday, March 18

- High of 38 °F, low of 17 °F (91% humidity)
- Partly sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 7:16 AM, sunset at 7:18 PM
- New moon
3 / 6
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Thursday, March 19

- High of 49 °F, low of 30 °F (88% humidity)
- Mostly cloudy with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 7:14 AM, sunset at 7:19 PM
4 / 6
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Friday, March 20

- High of 66 °F, low of 42 °F (56% humidity)
- Mostly sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 7:12 AM, sunset at 7:20 PM
5 / 6
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Saturday, March 21

- High of 77 °F, low of 44 °F (43% humidity)
- Overcast with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 7:10 AM, sunset at 7:22 PM
6 / 6
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Sunday, March 22

- High of 52 °F, low of 36 °F (29% humidity)
- Partly cloudy with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Fresh breeze (24 mph wind)
- Sunrise at 7:09 AM, sunset at 7:23 PM

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