textproduct: Aberdeen

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

- Patchy to areas of fog will settle in this morning, with visibility down to around 2 miles or less mainly east of the James River.

- High temperatures Thursday and Friday will be 5 to 8 degrees below normal for this time of year.

- There is a 20-40% chance of light rain Saturday, mainly east of the MO River.

DISCUSSION

Issued at 109 AM CDT Wed Sep 30 2026

As of 1 AM CDT, temperatures around the region are in the low to mid 50s with light winds. Fog has formed across far east central SD and is forecast to spread west into northeast SD and north into west central MN through the rest of the early morning hours. This is expected to dissipate through the late morning.

We have a couple chances for showers through the second half of the week. The first is late Thursday into early Friday morning as a cold front moves across the region. The second is Saturday as a shortwave moves across the area. Both events have chances less than 40%. Thursday's precipitation will be concentrated over central SD with accumulations of more than a tenth of an inch at around or less than 20%. Similar chances for Saturday, concentrated across northeast SD.

Highs today will be 5 to 10 degrees above average before we sink below average Thursday through the weekend. Models are still showing a slight warm up going into next work week. Still expecting stronger wind gusts Friday for areas west of the Missouri River, up to 30 mph, potentially up to 35 mph in south central SD. Wind gusts will also be in the 25-35 mph range again Monday across most of the forecast area as high pressure gets pushed out by low pressure.

AVIATION /06Z TAFS THROUGH 06Z THURSDAY/

Issued at 1225 AM CDT Wed Sep 30 2026

Terminals KABR,KATY,KPIR,KMBG

Dense fog has developed at KATY and is expected to last into the morning. Models are having a hard time with the latent low level moisture. Currently have other sites VFR, but based on some hints on satellite will continue to closely monitor KPIR and KABR for any IFR fog development.

ABR WATCHES/WARNINGS/ADVISORIES

SD...None. MN...None.

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