Grassy Butte Ndawn Realtime Data

× Heat Advisory
Until 2026-07-16T13:00:00-05:00 • National Weather Service
* WHAT...Heat index values and temperatures near 100. * WHERE...Southern North Dakota. * WHEN...Until 10 PM CDT /9 PM MDT/ this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.