| NWS Forecast for: Johnston IA Issued by: National Weather Service Des Moines, IA Last Update: 5:06 am CST Dec 14, 2025 | |
Today: Sunny and cold, with a high near 10. Wind chill values as low as -20. Northwest wind 5 to 8 mph becoming calm. Tonight: Mostly clear, with a temperature rising to around 16 by 4am. Wind chill values as low as -5. South southwest wind 7 to 14 mph, with gusts as high as 25 mph. Monday: Sunny, with a high near 33. Wind chill values as low as 5. West wind 5 to 11 mph, with gusts as high as 23 mph. Monday Night: Partly cloudy, with a low around 17. Light and variable wind. Tuesday: Partly sunny, with a high near 40. South wind 3 to 7 mph. Tuesday Night: Partly cloudy, with a low around 25. Wednesday: Partly sunny, with a high near 42. Wednesday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 37. Thursday: Mostly sunny, with a high near 42. Breezy. Thursday Night: Partly cloudy, with a low around 13. Friday: Partly sunny, with a high near 37. Friday Night: Mostly cloudy, with a low around 29. Saturday: Partly sunny, with a high near 41. | |
| Johnston IA 41.67°N 93.69°W | |
Visit your local NWS office at: https://www.weather.gov/desmoines |





