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

- Chance for thunderstorms returns mid to late this week. This includes potential for strong to severe storms. There is a level 1 out of 5 risk for severe storms Thursday.

- Late summer heat forecast to return this weekend.

..Late summer-like heat this weekend

Ensemble guidance continues to strongly suggest in strong upper ridging into the Upper Midwest this weekend. This will promote increasing temperatures aloft, as well as the migration and pooling of moisture near the surface. This will not only allow opportunity for 90s back into the forecast, but also high humidity. As of now, Friday and Saturday look to be the days where these two may align to bring heat indices well into the 90s, and perhaps into the low 100s (20 percent chance of occurring). While Saturday looks to be hottest within the forecast period, this could also extend into Sunday, although confidence is low in this.

AVIATION /00Z TAFS THROUGH 00Z THURSDAY/

Issued at 625 PM CDT Tue Sep 1 2026

High confidence in VFR conditions throughout the TAF period. High clouds overnight mainly in the south as thunderstorms roll across SD and southern MN but dry air further north into our area will prevent low level clouds or fog overnight. Winds under 8kt tonight and Wednesday with dominant surface high pressure.

FGF WATCHES/WARNINGS/ADVISORIES

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

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