textproduct: Grand Forks

KEY MESSAGES

- There is a high chance for soaking rainfall late Sunday night into Monday across the region which could impact outdoor activities.

UPDATE

Issued at 403 AM CDT Sat Sep 12 2026

Expect a BKN CU deck to develop today with daytime heating in the northeast half of the fcst area where 850 mb moisture today will be higher. Northwest winds today 10-20 kts sustained gusts 25 kts. Highs in the 60s. Rain arrives overnight Sunday night into Monday as it moves in from the southwest. QPF probs from the NBM and WPC indicate chances for 0.50 inch or more at 70 percent or higher 00z Mon to 00z Tue. With clear sky much of Sunday night in parts of northwest MN (around Lake of the Woods and Red Lakes, did follow DLH and lowered lows a few degrees as some upper 30s in those areas are likely as winds will be calm.

..Late Weekend into Early Next Week Rainfall

A large upper low over the Pacific Northwest will propagate eastward towards the Northern Plains late Sunday into Monday. Very little instability appears in place, therefore severe weather is not expected. However, as the low tracks from southwest to northeast across the Northern Plains and Canadian Prairies, rainfall will overspread the region from west to east Sunday night, lasting into Monday. While there remains uncertainty in where the deformation band and heaviest rainfall will set up, with NBM probabilities for a half inch of rain is about 60 percent across the entire FA.

AVIATION /04Z TAFS THROUGH 06Z SUNDAY/

Issued at 1117 PM CDT Fri Sep 11 2026

Currently VFR skies across the area with winds having dropped for the overnight. Winds NW at all sites and remaining as such through the period. DVL will be the first to see gusts picking up tomorrow in stronger low level flow around 11-12z with other sites waiting for daytime mixing to get going around 15z. Peak afternoon gusts should stay under 30 knots but cant entirely rule out a few gusts over 30kts for KDVL and KGFK from 15-21z. some developing late morning/early afternoon cumulus could flirt with MVFR cigs but look to remain 3500ft or higher as SCT even at that.

FGF WATCHES/WARNINGS/ADVISORIES

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