Weather
Sioux Falls, SD Weather Oct. 20-24: Dry Spell, Rain by Saturday
Sioux Falls, SD – Warm temperatures, dry vegetation and breezy conditions could increase localized fire concerns across southeastern South Dakota and surrounding areas this week. Afternoon highs could
By Wesley Grant · 2026-10-20T08:45:08.229Z
Sioux Falls, SD – Warm temperatures, dry vegetation and breezy conditions could increase localized fire concerns across southeastern South Dakota and surrounding areas this week. Afternoon highs could approach 78 degrees Thursday, October 22, before increasing rain chances bring a possible change in conditions heading into the weekend.
According to the National Weather Service in Sioux Falls, warm, mostly dry and breezy October weather will continue through late week, allowing grasses and harvested crop fields to dry further.
Tuesday, October 20, will bring mostly sunny and breezy conditions , with afternoon highs ranging from 68 to 71 degrees across the forecast region.
Wednesday, October 21, will remain mostly sunny, with temperatures climbing between 71 and 74 degrees. Overnight lows are expected to range from 45 to 50 degrees.
Thursday, October 22, could be the warmest day of the week , with highs reaching 73 to 78 degrees.
Breezy conditions are also expected Thursday, potentially increasing localized fire concerns where dry grasses and agricultural vegetation are present.
The Weather Service urges residents to use caution with activities that could generate sparks, particularly around dry vegetation.
Friday, October 23, will bring increasing clouds and windy conditions , with afternoon highs ranging from 71 to 76 degrees.
A slight chance of isolated showers develops early Friday, with precipitation probabilities around 20%.
By Saturday, October 24, a more noticeable weather change is possible as scattered showers move into the region.
Forecasters indicate rain chances could reach 50%, while afternoon temperatures cool to between 59 and 70 degrees.
The changing pattern may provide some relief from the extended dry conditions, although rainfall amounts remain uncertain.
Residents across the Sioux Falls region should remain cautious with outdoor burning, equipment use and other activities capable of producing sparks.
No Red Flag Warning was identified in the supplied forecast, but localized fire concerns remain possible through late week.