National Weather Service United States Department of Commerce

Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

At the National Weather Service Office in Grand Rapids, we issue the 1050 MHz tone alert and the SAME tone on NOAA Weather Radio for the following products:

Blizzard Warning Civil Danger Warning Civil Emergency Warning
Flash Flood Warning Earthquake Warning Evacuation Immediate
Severe Thunderstorm Watch Fire Warning Hazardous Materials Warning
Severe Thunderstorm Warning Law Enforcement Warning Local Area Emergency
Tornado Watch Nuclear Power Plant Warning Radiological Hazard Warning
Tornado Warning Shelter In Place Warning Required Weekly Test