Cool temperatures will begin making their way into the area today, and predictions of a winter La Nina have strengthened.
The World Meteorological Organization issued predictions on Tuesday that show a greater than 55% chance of La Nina conditions affecting the northern U.S. beginning in September.
La Nina is a global climate cycle defined by cooler jet streams through the Pacific Ocean, brining wetter, colder, and stormier weather in the upper U.S., while drier conditions in the Southern U.S.
The WMO predicts that if La Nina forms, North Dakotans can expect colder-than-normal winter temperatures with a slightly elevated chance of severe winter storms. La Nina would also mean a longer winter season. The Global Weather Office, and NOAA also predict La Nina is more likely than not.
Colder temperatures will start to impact North Dakota today, with a cooling system keeping highs in the 50s and 60s for much of the state Wednesday and Thursday. The National Weather Service now says it’s unlikely Jamestown and Stutsman County will experience a frost or freeze in the next few days, but the northern parts of the state could experience lows in the 30s and the potential first freeze of the year.
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