Hammer down weather report 2026-10-09 04:00:59

🚗 **Nationwide road-weather update:**

– **Northwestern Iowa & southeastern South Dakota:** Flash flooding is ongoing across **Sioux County, IA, and Union County, SD**, including **Hawarden and Alcester**. Between **2 and 3.5 inches of rain** has fallen, with flooding affecting highways, streets, underpasses, low-lying areas, and poor drainage locations. The warning is in effect until **4:15 a.m. CDT**. Never drive through flooded roads—turn around, don’t drown.
– **Northwestern Iowa:** A severe thunderstorm warning covers northern **Cherokee County** and southern **O’Brien County** until **3:30 a.m. CDT**. The storm was moving east at **30 mph** and producing **quarter-size hail**, capable of damaging vehicles. Seek shelter inside and away from windows.
– **Hawaii:** Minor flooding was reported earlier on the southeast slopes of the Big Island, including areas near **Hawaii Volcanoes National Park, Pahala, Volcano, and Punaluu Beach**, with rainfall rates of **0.5 to 1 inch per hour**. Avoid streams, drainage ditches, and flooded roads.

Submit storm or road-condition reports by calling **888-IS-4TIPS (888-474-8477)** or visiting **HammerDownHeadlines.com** or **HammerDownNews.com**. Check local conditions before traveling.