Flash Flood Warning — McHenry County, North Dakota
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Current Status
🌊 Active: Flash Flood Warning
Flash Flood Warning issued September 3 at 9:13AM CDT until September 3 at 12:15PM CDT by NWS Bismarck ND
FFWBIS The National Weather Service in Bismarck has issued a * Flash Flood Warning for... Southeastern Bottineau County in north central North Dakota... Northeastern McHenry County in north central North Dakota... Pierce County in north central North Dakota... Southern Rolette County in north central North Dakota... * Until 1215 PM CDT. * At 913 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Rugby, Rolette, Balta, Wolford, Barton, Barton City, Berwick, Mylo, Overly, Nanson,
Effective September 3, 2026 at 10:13 AM ET · Expires September 3, 2026 at 1:15 PM ET
Event Details
Event Type
Flash Flood Warning
Severity
severe
Issued By
NWS Bismarck ND
Expires
September 3, 2026 at 1:15 PM ET
Last Checked
just now
What To Do
📋 Official NWS Guidance
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.
Also In Effect For
This same Flash Flood Warning also covers:
Other Active Alerts in North Dakota
Flash Flood Warning
Flash Flood Warning
Flash Flood Warning
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Flood Advisory
Get Flash Flood Warning Alerts for McHenry County
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Frequently Asked Questions
What does a Flash Flood Warning mean for McHenry County, North Dakota?
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Is this Flash Flood Warning currently active?
Yes — this alert is active as of our last check (just now). It's set to expire September 3, 2026 at 1:15 PM ET.
How do I get notified about Flash Flood Warning alerts for McHenry County?
Download StormCast free on Google Play and set McHenry County, North Dakota as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Flash Flood Warning is also in effect for Rolette County, Pierce County, Bottineau County.