| NWS Forecast for: Waterloo Municipal Airport IA Issued by: National Weather Service Des Moines, IA Last Update: 8:47 pm CDT Jul 20, 2026 |  |
Tonight: A 40 percent chance of showers and thunderstorms, mainly before 11pm. Some of the storms could be severe. Mostly cloudy, then gradually becoming clear, with a low around 21. Southwest wind 10 to 14 km/h becoming west northwest after midnight. New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms. Tuesday: Mostly sunny, with a high near 27. Breezy, with a north northwest wind 18 to 23 km/h increasing to 24 to 29 km/h in the morning. Winds could gust as high as 45 km/h. Tuesday Night: Mostly clear, with a low around 14. North northwest wind 16 to 21 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 35 km/h. Wednesday: Sunny, with a high near 24. North wind 8 to 11 km/h. Wednesday Night: Mostly clear, with a low around 13. North northeast wind 5 to 8 km/h becoming calm in the evening. Thursday: Sunny, with a high near 26. Thursday Night: Mostly cloudy, with a low around 15. Friday: Partly sunny, with a high near 26. Friday Night: Mostly clear, with a low around 16. Saturday: Mostly sunny, with a high near 29. Saturday Night: Mostly clear, with a low around 19. Sunday: Sunny, with a high near 33. Sunday Night: Mostly clear, with a low around 21. Monday: Sunny, with a high near 32. | |
| Waterloo Municipal Airport IA 42.53°N 92.41°W | |
Visit your local NWS office at: https://www.weather.gov/desmoines |
