How new research led to North Dakota tornado's EF5 upgrade

A powerful tornado struck Enderlin, North Dakota, on June 20, causing significant damage and leading to a rare EF5 classification after new research. Here's what went into the new research that led to the upgraded classification.

Deadly North Dakota tornado upgraded to EF5, the first in US in 12 years

A deadly tornado in Enderlin, North Dakota, on June 20 has been upgraded to an EF5, marking the first EF5 tornado in the United States in 12 years.

Watch: Doorbell camera captures glimpse of giant wall cloud

A powerful EF-3+ tornado struck the rural town of Enderlin, North Dakota, late Friday night, killing three people and causing significant damage.

North Dakota tornadoes leave 3 dead, extensive damage

A tornado that swept through North Dakota left two men and a woman dead while also leaving thousands without power.

Severe storms cause damage in MN, leave people dead in North Dakota

Severe storms in the region left three people dead in North Dakota with storm damage reported in the northern part of Minnesota.

Trump wins North Dakota Republican caucuses

Republicans in North Dakota gathered around the state on Monday evening for their presidential caucuses ahead of Super Tuesday.

Fire whirl captured on video when meteorologist burns away ice from driveway

A small fire whirl was captured on video by a North Dakota meteorologist who says it formed after he used gasoline to clear ice from his driveway following a major winter storm.

Former North Dakota senator charged with flying to Prague for sex with minor

A retired Republican state senator from North Dakota has been charged with traveling to Prague intending pay for sex with a minor, and with receiving images depicting child sexual abuse.

North Dakota state senator, wife, and 2 children killed in Utah plane crash

A state senator from North Dakota, his wife and their two young children died when the small plane they were traveling in crashed in Utah, a Senate leader said Monday.

70-car train derails in North Dakota, spills hazardous materials: officials

The Canadian Pacific train derailed around 11:15 p.m. about a mile southeast of Wyndmere in Richland County, Canadian Pacific said in a statement. No injuries were reported.

North Dakota abortion ban injunction upheld by state Supreme Court

The North Dakota Supreme Court ruled Thursday that a state abortion ban will remain blocked while a lawsuit over its constitutionality proceeds.

Half-naked Minnesota lawyer beat ex-wife to death in front of horrified children: criminal complaint

A North Dakota lawyer allegedly beat his ex-wife to death in Minnesota on Tuesday as she clung to the youngest of their five children and two others screamed for help, according to the Marshall County Sheriff’s Office.

North Dakota recreational marijuana measure approved for ballot

Supporters of legalizing recreational marijuana in North Dakota have succeeded in bringing the matter to a public vote in November.