| NWS Forecast for: Storm Lake IA Issued by: National Weather Service Sioux Falls, SD Last Update: 1:53 am CDT Jun 30, 2026 | |
Overnight: A 50 percent chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a low around 73. Southwest wind 10 to 15 mph. Tuesday: A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 94. South wind around 10 mph becoming west southwest in the afternoon. Tuesday Night: A chance of showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 72. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Wednesday: Showers and thunderstorms likely before 3pm, then a chance of rain between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 91. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Wednesday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 70. South southwest wind 5 to 15 mph, with gusts as high as 20 mph. Thursday: A chance of showers and thunderstorms before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 91. South southwest wind 5 to 10 mph. Chance of precipitation is 30%. Thursday Night: Showers likely before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then showers after 1am. Low around 71. Chance of precipitation is 80%. Friday: Mostly sunny, with a high near 92. Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 71. Chance of precipitation is 60%. Independence Day: Partly sunny, with a high near 90. Saturday Night: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 68. Chance of precipitation is 60%. Sunday: A 30 percent chance of showers. Partly sunny, with a high near 86. Sunday Night: A 30 percent chance of showers. Partly cloudy, with a low around 65. Monday: Mostly sunny, with a high near 87. | |
| Storm Lake IA 42.64°N 95.21°W (Elev. 1398 ft) | |
Visit your local NWS office at: https://www.weather.gov/fsd/ |




