Active Alerts - National Weather Service US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service 1325 East West Highway Silver Spring, MD 20910 Comments? Questions? Please Contact Us
National Weather Service NOAA National Weather Service National Weather ServiceWidespread Showers and Thunderstorms in Southern California and the Southern Plains into the Mississippi Valley Isolated strong to severe thunderstorms and widespread heavy rainfall are possible across the southern Plains into Arkansas Widespread showers with a slight chance of thunderstorms are possible across southern California Urban
NWS Alerts The alerts web service displays NWS watches, warnings, advisories, and similar products Click the main menu down-arrow for a quick guide and documentation
Warning and Forecast Area of NWS Sioux Falls, SD County Warning and Forecast Area The National Weather Service office in Sioux Falls, SD, has warning and forecast responsibility for 24 counties in Southeast and East Central South Dakota, 8 counties in Southwest Minnesota, 11 counties in Northwest Iowa, and 2 counties in Extreme Northeast Nebraska Below is a map of the NWS Sioux Falls County Warning and Forecast Area
Hurricane and Tropical Storm Watches, Warnings, Advisories and Outlooks Information on NWS tropical cyclone watch, warning, advisory, and outlook products is detailed below For more details on all NHC products, see the National Hurricane Center Product User's Guide Storm information and forecasts specific to your local area can be found from you local Weather Forecast Office (WFO) through www weather gov + Warnings
Watch Warning Advisory Definitions - National Weather Service Storm Warnings are issued for the Tidal Potomac River and the Chesapeake Bay when one or both of the following conditions is expected to begin within 36 hours and not directly associated with a tropical cyclone: