textproduct: Grand Forks

KEY MESSAGES

- Level 2 out of 5 risk late afternoon and evening today for the Devils Lake area and a level 1 out of 5 risk tonight into the northern Red River valley. Hail and wind are the primary risk with any storms.

- Dangerous heat index values likely this weekend into Monday. The hottest temperatures are expected Sunday and Monday, with heat indices of 100 to 110 degrees likely.

..Dangerous Heat This Weekend into Monday

Strong ridging is in the process of strengthening over the Central Rockies, and is expected to build to the north and east through this weekend. Anomalous heights upwards of 600dM are being highlighted by the majority of ensemble members, allowing temps to climb well into the 90s on Saturday, then approach the 100 degree mark on Sunday and Monday. With dew points in the upper 60s to low 70s, heat index values are expected to reach 100 degrees or higher, especially Sunday and Monday as the ridge axis aligns atop the Northern Plains. Wet bulb globe temps will climb into the upper 80s Sunday and Monday, signifying high to extreme categorical heat risk both days.

AVIATION /06Z TAFS THROUGH 06Z SATURDAY/

Issued at 1119 PM CDT Thu Jul 9 2026

Skies clearing out with light winds may produce some fog especially after the rain earlier tonight at KDVL. Winds will be southerly overnight before the cold front passes and turn more northerly Friday after the cold front passes. Some chance for more shower activity late in the TAF period, but the chances are much lower with the best chances closer to the front at KBJI.

FGF WATCHES/WARNINGS/ADVISORIES

ND...Extreme Heat Watch from Sunday morning through late Monday night for NDZ006>008-014>016-024-026>030-038-039-049- 052>054. MN...Extreme Heat Watch from Sunday morning through late Monday night for MNZ001>005-007-008-013>015-029-030-040.