Dangerous wind chill values continue in the Red River Valley and northwestern Minnesota, prompting the National Weather Service to extend this morning's wind chill advisory until 4 this afternoon.
An arctic air mass, combined with the wind, is producing wind chill values of 25 below to 35 below zero.
Grand Forks, Fargo, Wahpeton, Cavalier and Hillsboro, N.D., and Roseau, Thief River Falls, Crookston, Detroit Lakes, Bemidji and Fergus Falls, Minn., are all included in the advisory area.
People who venture outdoors should be sure to wear appropraite clothing, including a hat and gloves, the weather service advised.
Meanwhile, the weather service increased its snow forecast to 1 to 2 inches total, but is sticking to expectations of sub-zero temperatures until Sunday.
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The long-range forecast for Grand Forks:
This Afternoon: A 30 percent chance of snow. Cloudy and cold, with a high near -7. Wind chill values as low as -24. South southwest wind 5 to 9 mph becoming west northwest. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around -21. Wind chill values as low as -35. North northwest wind between 5 and 8 mph.
Saturday: Mostly sunny, with a high near -4. Wind chill values as low as -36. North northeast wind between 5 and 7 mph.
Saturday Night: Mostly cloudy, with a low around -13. Wind chill values as low as -34. East northeast wind 5 to 13 mph becoming south.
Sunday: Snow likely. Cloudy, with a high near 10. South wind between 14 and 18 mph, with gusts as high as 22 mph. Chance of precipitation is 60 percent.
Sunday Night: A 40 percent chance of snow. Cloudy, with a low around 3.
Monday: Mostly cloudy, with a high near 12.
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Monday Night: Mostly cloudy, with a low around 1.
Tuesday: Partly sunny, with a high near 20.
Tuesday Night: Mostly cloudy, with a low around 7.
Wednesday: Partly sunny, with a high near 16.
Wednesday Night: Mostly cloudy, with a low around 1.
Thursday: Mostly cloudy, with a high near 16.
