Cooler Temperatures Move Into South Dakota

The temperature shift follows recent rainfall that allowed for the planting of the state's winter wheat crops.

Updated on Oct. 15, 2026 in Current Conditions

Bold flat-color editorial illustration featuring geometric wheat stalks against a flat background, representing a cooling climate trend in South Dakota. — Cooler temperatures are forecast across South Dakota this weekend, a shift that arrives after beneficial rainfall supported early winter wheat development. AI Illustration. Upload story photo >

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Do you feel your local agricultural area currently has the moisture it needs for winter crops?

Cooler temperatures are moving into South Dakota this week as drier, cooler air sweeps across the Corn Belt. The shift comes following recent rainfall that provided necessary moisture for local winter wheat planting.

Why it matters

The transition to cooler weather is occurring just as local winter wheat crops are beginning to emerge and establish themselves ahead of the winter season. The recent rainfall was critical for supporting these developing crops.

Approximately 40 percent of the winter wheat crop has emerged, currently reaching heights of one to two inches. These planting efforts were supported by two inches of recent rainfall.

The details

Cooler air is moving through the region from Thursday through Sunday, with the coldest temperatures expected this weekend. Agricultural experts anticipate that this cooling trend will not damage the emerging wheat.

Cooler temperatures are moving into South Dakota this week.
Drier, cooler air moves across the Corn Belt from Thursday through Sunday.
The coldest temperatures will occur this weekend.

Seasonal Patterns

This cooling shift follows the standard developmental phase of the Corn Belt planting cycle as crops move toward winter dormancy. It aligns with historical trends where autumnal weather patterns dictate the survival of early-stage winter wheat.

While the incoming cold is not expected to damage the winter wheat, farmers should monitor local frost advisories as temperatures drop this weekend. Ensure all remaining planting equipment is serviced and stored to prepare for the drier conditions arriving this week.

The takeaway

The arrival of cooler weather is a standard seasonal transition that generally supports winter wheat development after initial germination. Local operations, particularly in areas like Lyman County, should remain vigilant for extreme temperature drops as the weekend approaches.