| NWS Forecast for: Atlantic IA Issued by: National Weather Service Des Moines, IA Last Update: 1:56 pm CDT Aug 18, 2026 | |
This Afternoon: Mostly sunny, with a high near 80. West wind around 9 mph. Tonight: A slight chance of showers and thunderstorms between 7pm and 9pm. Mostly cloudy, with a low around 65. Light and variable wind. Chance of precipitation is 20%. Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 80. Calm wind becoming east northeast around 6 mph in the morning. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Wednesday Night: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 60. Light east wind. Thursday: Sunny, with a high near 83. Calm wind becoming south around 6 mph in the afternoon. Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 64. Friday: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 84. Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 64. Saturday: Mostly sunny, with a high near 82. Saturday Night: Mostly clear, with a low around 61. Sunday: A 30 percent chance of showers. Partly sunny, with a high near 79. Sunday Night: Partly cloudy, with a low around 63. Monday: Mostly sunny, with a high near 82. | |
| Atlantic IA 41.42°N 95.03°W | |
Visit your local NWS office at: https://www.weather.gov/desmoines |




