Yankton County, SD Weather Tomorrow

Review tomorrow's weather in Yankton County and the upcoming 5 day forecast with precipitation probability, daily and nightly weather conditions, high and low temperature trends, sunrise and sunset information, sky cover, wind speed, wind direction, and wind chill for the Yankton County area.
Updated: Sun Oct 25th 2026 8:15 AM CDT
Yankton County, SD Weather – 10-25 – Overcast
55° / 44°
Overcast
Daytime highs will reach 55°F with lows dropping to 44°F in Yankton County, where it will be overcast. The chance of rain is 83% with an estimated 0.18in. Wind will be moderate, blowing around 11mph on average and gusts of 17.5mph at 11 PM. The humidity will be on the higher side, averaging about 79%, the maximum being 85% at 11 PM and 67% being its lowest at 4 PM. Barometric pressure is its highest of 30.42inHg at 10 AM, a lowest point of 30.35inHg at 4 PM with an avg 30.39inHg.
Yankton County, SD Weather – 10-26 – Light Rain
54° / 44°

Weather Tomorrow

Light Rain
Yankton County may see rain, with daytime highs of 54°F and overnight lows near 44°F. The chance of rain is 92% with an estimated 1.55in. Wind will be moderate, blowing around 17mph on average and gusts of 32.2mph at 9 PM. High humidity with average of 92% is anticipated, the maximum being 95% at 10 AM and 85% being its lowest at 4 PM. Barometric pressure is its highest of 30.41inHg at 12 AM, a lowest point of 29.99inHg at 10 PM with an avg 30.24inHg.
Yankton County, SD Weather – 10-27 – Overcast
59° / 44°
Overcast
Yankton County could see overcast with daytime highs of 59°F and nighttime lows near 44°F. Rainfall predicted to have a 70% chance with an estimated 0.06in. Wind will be moderate, blowing around 17mph on average and gusts of 30.9mph at 12 AM. High humidity with average of 84% is anticipated, the maximum being 93% at 8 PM and 67% being its lowest at 4 PM. Barometric pressure is its highest of 30.11inHg at 10 AM, a lowest point of 29.94inHg at 10 PM with an avg 30.02inHg.
Yankton County, SD Weather – 10-28 – Sunny
69° / 47°
Sunny
Highs will reach 69°F with lows near 47°F in Yankton County, where a sunny day is. There's a very small chance of rainfall, only about 10%. Wind will be moderate, blowing around 11mph on average and gusts of 25.1mph at 12 AM. The humidity will be on the higher side, averaging about 76%, the maximum being 92% at 8 AM and 56% being its lowest at 4 PM. Barometric pressure is its highest of 30.07inHg at 10 AM, a lowest point of 29.94inHg at 1 AM with an avg 29.99inHg.
Yankton County, SD Weather – 10-29 – Sunny
64° / 46°
Sunny
Bright and sunny conditions in Yankton County, with a high of 64°F and a low of 46°F. There's a very small chance of rainfall, only about 6%. Wind will be moderate, blowing around 11mph on average and gusts of 21.7mph at 9 AM. The humidity will be on the higher side, averaging about 61%, the maximum being 79% at 7 AM and 47% being its lowest at 4 PM. Barometric pressure is its highest of 30.2inHg at 10 AM, a lowest point of 30.02inHg at 12 AM with an avg 30.11inHg.
Yankton County, SD Weather – 10-30 – Scattered Showers
64° / 52°
Scattered Showers
Showers likely at times in Yankton County, with a high of 64°F and a low of 52°F. The chance of rain is 85% with an estimated 0.33in. Winds will be light at 10mph and gusts of 20.2mph at 1 AM. High humidity with average of 82% is anticipated, the maximum being 91% at 11 PM and 62% being its lowest at 1 AM. Barometric pressure is its highest of 30.1inHg at 12 AM, a lowest point of 29.95inHg at 11 PM with an avg 30.03inHg.

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