SIOUX FALLS SiouxFallsWeather.com

Friday, June 20, 2025

Zone Forecast Product

...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT SUNDAY...

.TONIGHT...Mostly clear this evening, then becoming partly
cloudy. Breezy with lows in the mid 70s. South winds 15 to
25 mph. Gusts up to 45 mph this evening. Heat index values up to
107 early this evening.
.SATURDAY...Sunny, breezy, hot with highs around 102. South winds
15 to 25 mph with gusts up to 35 mph.
.SATURDAY NIGHT...Mostly clear. Humid with lows in the upper 70s.
South winds 15 to 20 mph with gusts up to 30 mph. Heat index
values up to 105 early in the evening.
.SUNDAY...Sunny, windy, hot with highs in the upper 90s. South
winds 15 to 25 mph, increasing to 25 to 30 mph in the afternoon.
.SUNDAY NIGHT...Showers and thunderstorms likely in the evening,
then showers likely with a chance of thunderstorms after
midnight. Breezy, cooler with lows in the mid 60s. Southwest
winds 15 to 25 mph with gusts up to 35 mph, becoming northwest
10 to 15 mph after midnight. Chance of rain 70 percent. Heat
index values in the upper 90s early in the evening.
.MONDAY...Mostly cloudy in the morning, then clearing. A slight
chance of showers and thunderstorms. Not as warm with highs
around 80. Chance of rain 20 percent.
.MONDAY NIGHT...Partly cloudy in the evening, then mostly cloudy
with a chance of showers after midnight. Lows in the upper 50s.
Chance of rain 40 percent.
.TUESDAY...Cloudy. A chance of showers in the morning, then
showers likely with a chance of thunderstorms in the afternoon.
Highs in the lower 70s. Chance of rain 60 percent.
.TUESDAY NIGHT...A chance of thunderstorms. Showers. Lows in the
lower 60s. Chance of rain 90 percent.
.WEDNESDAY...A chance of thunderstorms. Showers. Highs in the mid
70s. Chance of rain 90 percent.
.WEDNESDAY NIGHT...Showers likely with a chance of thunderstorms.
Lows in the lower 60s. Chance of rain 70 percent.
.THURSDAY...Mostly cloudy in the morning, then becoming partly
sunny. A chance of showers and thunderstorms. Highs in the upper
70s. Chance of rain 40 percent.
.THURSDAY NIGHT...Mostly cloudy. Lows around 60.
.FRIDAY...Partly sunny. Highs in the lower 80s.