textproduct: Grand Forks
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
KEY MESSAGES
- Arctic air continues to pour into the area this afternoon and evening, with dangerously cold wind chills through Sunday. For tonight, wind chills will fall as low as 45 below zero.
..Dangerously Cold Wind Chills Through Sunday
Wind chill values have already fallen well below zero across much of the area, with the coldest spots to the north of Highway 2 in North Dakota, and across portions of northwest Minnesota. Wind chills of 40-45 below zero are already being observed, and are expected to continue overnight and into early Saturday morning. Surface temperatures during this period will be in the 20s below zero, with the exception of southeast North Dakota, where teens below zero are expected. Colder temperatures are expected Saturday night into Sunday, but with lower wind potential. Look for lows in the 20s below zero to near 30 below zero, with wind chills as low as 40 below.
AVIATION /18Z TAFS THROUGH 18Z SATURDAY/
Issued at 1135 AM CST Fri Dec 12 2025
Conditions vary greatly as we head into the afternoon, with convective snow showers occasionally reducing visibility to IFR levels. Overall, look for MVFR to VFR conditions for KGFK, KDVL, and KFAR, with periods of IFR visibility due to blowing snow and isolated convective snow showers. Winds are expected to diminish later this afternoon, which will reduce the coverage of blowing snow and allow conditions to improve slowly as we head into the evening hours. VFR conditions are expected by late evening and should persist overnight.
FGF WATCHES/WARNINGS/ADVISORIES
ND...Cold Weather Advisory until noon CST Sunday for NDZ014-024- 026>030-038-039-049-052-053. Extreme Cold Warning until noon CST Saturday for NDZ006>008- 015-016-054. Cold Weather Advisory from noon Saturday to noon CST Sunday for NDZ006>008-015-016-054. MN...Cold Weather Advisory until noon CST Sunday for MNZ001>003-006- 027>032-040. Extreme Cold Warning until noon CST Saturday for MNZ004-005- 007>009-013>017-022>024. Cold Weather Advisory from noon Saturday to noon CST Sunday for MNZ004-005-007>009-013>017-022>024.
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