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

- There is a level 2 out of 5 risk for severe weather Friday afternoon and evening, with golf ball sized hail and 70 mph wind gusts the primary threats. Isolated tornado is possible.

- Increasing temperatures this weekend with potential for heat impacts, especially on Sunday.

UPDATE

Issued at 646 AM CDT Thu Jul 23 2026

Very little change in messaging, other than updating severe risk graphic for Friday. Hottest day on Sunday and that is the day when widespread heat impacts are more likely. Soundings in the northern valley for 21z Friday indicate a cap in place with substantial CIN, especially 00z GFS. So that will be something to watch to see how it changes and its affect on t-storm development.

..Heat this weekend

The 590dm heights push into southeastern ND this weekend. ECWMF EFI are up to 95th percentile for MaxT on Sunday. With the trough axis passage late Friday, the dew points will not be quite as high as our last heat event. But still up into the 60s, which will push our heat index values in the southern forecast area above 100 degrees. Too soon for any heat headlines, but will continue to monitor.

AVIATION /12Z TAFS THROUGH 12Z FRIDAY/

Issued at 646 AM CDT Thu Jul 23 2026

VFR today with a south-southwest wind 10-20 kts developing by late morning and lasting into tonight. Gusts 25 kts at times in the Red River valley. Expect some scattered cirrus and some mid clouds.

FGF WATCHES/WARNINGS/ADVISORIES

ND...None. MN...None.

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