Summer-Like Weather to Begin the Last Week of September

Tuesday’s Temperatures Could Near Record Territory
Published: Sep. 25, 2021 at 7:36 AM CDT|Updated: Sep. 26, 2021 at 4:02 PM CDT
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SIOUX FALLS, S.D. (Dakota News Now) -- We had just a beautiful day Saturday after a rather chilly start. Highs reached the mid 70s to low 80s after starting in the 30s and low 40s. Even warmer air will settle in for the next few days, making it feel like summer once again.

TONIGHT: Skies remain clear tonight with a light to calm wind out of the northerly direction. Lows drop back into the low to mid 50s, with a few 40s possible in spots.

MONDAY: The skies remain clear areawide with a light wind out of the N and E, gradually shifting to the SE as a warm front approaches and hangs out in central and western South Dakota. Highs once again climb well into the 80s with some low 90s west of the James River. Lows drop back into the 50s to low 60s.

TUESDAY: The warmest air of this stretch will occur on Tuesday as the warm front slowly trudges east. Skies remain clear during the day but clouds increase Tuesday night ahead of a cold front and a few showers could be possible in central South Dakota after midnight. Winds become breezy out of the SE at 10-20 mph with gusts as high as 35 mph. Highs will climb into the upper 80s to mid 90s. We could be nearing or possibly setting a few record highs Tuesday. The record high for Sioux Falls is 93 (forecasting 90), Aberdeen is 92 (forecasting 91) and Pierre is 93 (forecasting 95). Lows drop back into the 60s, so a relatively warm night.

WEDNESDAY AND THURSDAY: Showers and scattered thunderstorms are expected Wednesday, lingering into Thursday along and east of the James River as the low pressure system tracks east. Highs will be in the mid 70s to mid 80s Wednesday, falling back into the upper 60s to mid 70s from Thursday. As far as rainfall totals go, most areas should pick up between a tenth and a half inch, but totals could reach an inch for places like Mitchell, Sioux Falls and Yankton.

NEXT WEEKEND AND BEYOND: Models have continued to backed off on precipitation chances for the weekend into the beginning of the following week. A few isolated showers could be possible Friday along and east of I-29, but we should remain dry with a partly cloudy sky. Highs will be in the 70s with lows in the 50s, both of which will run 5-10 degrees above average. The latest 8-14 day outlooks from the Climate Prediction Center continues to favor above average temperatures with an equal chance of above or below average precipitation.

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