NWS Bismarck NDFW.W 0014July 20, 2026
Red Flag Warning: Morton, Grant, Sioux and 1 more, ND
The National Weather Service office in Bismarck issued a red flag warning for Morton, Grant, Sioux and 1 more in North Dakota, which was in force until 9:00 p.m. local time on July 20. It was the 14th red flag warning the NWS office in Bismarck issued in 2026. North Dakota had 1 red flag warning in July 2026, against 1 in an average July of 2008-2025 (North Dakota's red flag warnings by year).
ExpiredWarning
In force for 9 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Bismarck ND
- Area
- Morton, Grant, Sioux and 1 more
- State
- North Dakota
- Level
- Warning
- Issued
- 2:20 a.m. CDT, July 20, 2026
- In force from
- 12:00 p.m. CDT, July 20, 2026
- Expires
- 9:00 p.m. CDT, July 20, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Expected
- VTEC event
- KBIS FW.W 0014
- Official source
- National Weather Service: the notice at its source
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
...RED FLAG WARNING IN EFFECT FROM NOON CDT /11 AM MDT/ TODAY TO 9 PM CDT /8 PM MDT/ THIS EVENING DUE TO WIND AND LOW RELATIVE HUMIDITY FOR MORTON, GRANT, SIOUX, AND EMMONS COUNTIES... .Critical fire weather conditions are expected in parts of south central North Dakota this afternoon and early evening. Northwest winds will increase to around 25 mph this afternoon, with gusts as high as 40 mph. Relative humidity will fall as low as 20 percent this afternoon as temperatures rise into the lower 90s. Any fires that ignite will spread rapidly and become difficult to control. The National Weather Service in Bismarck ND has issued a Red Flag Warning. * AFFECTED AREA...Morton, Grant, Sioux, and Emmons Counties. * TIMING...From noon CDT /11 AM MDT/ today to 9 PM CDT /8 PM MDT/ this evening. * WINDS...Northwest around 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 20 percent. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress.
What the agency told people to do
A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.