It’s hard to believe that Labor Day weekend is almost here! Other than clouds and scattered rain Friday night into Saturday morning, the weekend forecast is looking great for the State Fair or anything else you might have going on outdoors.

Today will be sunny and a bit breezy with high temps in the upper 70s. It won’t be as windy as it was Tuesday, but northwesterly wind gusts of 15 to 25 mph are likely throughout the day.

A couple of relatively weak waves of energy will move across our region tomorrow into Saturday and that’s our only hiccup in the holiday weekend forecast. Friday will start with sunshine, but clouds will gradually increase throughout the afternoon. Scattered showers will develop across central South Dakota by mid to late afternoon Friday and move east to Sioux Falls by Friday evening. Scattered rain is likely Friday night with clouds and showers gradually exiting from west to east on Saturday morning.

While there could be a couple of isolated thundershowers, I do not expect severe weather. Rainfall amounts of one-quarter to one-half inch are possible with the heaviest rain falling along and south of the South Dakota/Nebraska state line.

We will see some sunshine on Saturday afternoon but high temps will only reach the low 70s. We’ll do our best to make up for that on Sunday and Monday with plenty of sunshine and highs in the upper 70s to low 80s.

Sioux Falls Area Forecast

Updated by Meteorologist Shawn Cable on Thursday, August 29 at 3:55 AM

TODAY:
Sunny and breezy. High: 79°. Wind: North 10 to 20 mph with an occasional gust to 25 mph.

TONIGHT:
Clear. Low: 51°. Wind: North at 5 mph.

TOMORROW:
Sunny in the morning with clouds increasing during the afternoon. High: 72°. Wind: East 5 to 10 mph. Scattered showers are likely on Friday night.

Our weather is going to be quiet and comfortable for the last few days of July. Today and tomorrow will be sunny with below average high temperatures in the upper 70s. After an isolated thunderstorm or two on Tuesday night, Wednesday will be slightly warmer and just a bit more humid.

Thursday will be right on par for the first day of August. Partly cloudy and muggy with high temperatures in the mid 80s. Friday will be partly cloudy with a chance of thunderstorms in the morning and again in the afternoon and at night.

Weather for the upcoming weekend is looking fantastic. A few lingering thunderstorms are possible Saturday morning, then it will be partly cloudy, warm and humid with high temps in the low to mid 80s.

Today will be warm and humid with scattered storms. In Sioux Falls, the best chance of storms will be this morning as scattered thunderstorms move across much of central and eastern South Dakota into Minnesota and Iowa. Another line of storms will develop across northern and northeastern South Dakota this afternoon with yet another line of thunderstorms possible across western and central South Dakota late this afternoon into this evening. The last line of storms will dissipate as it moves east overnight.

As I mentioned, today will be warm and muggy. High temps will be back in the mid 80s with a dew point in the low 70s. That will pull the heat index back into the low 90s this afternoon.

A cold front will slide east of our region overnight, taking the heat, humidity and storms along with it. Wednesday will be windy and cooler with high temps around 80 degrees. Thursday will be sunny and warmer but still not terribly humid.

Enjoy the break from the heat and humidity on Wednesday and Thursday, because the summer sauna will be cranked to the maximum all weekend. High temperatures will reach the upper 80s to low 90s with the heat index approaching 100 degrees on Friday, Saturday and Sunday. The weekend will be mostly sunny with just a slight chance of a random, isolated thunderstorm.

I don’t think we’re going to get much of a break from the heat, either. Long range models suggest that the warm, humid pattern will last well into next week.

Our summery stretch of weather will continue today with lots of sunshine and high temps in the upper 80s. Tomorrow will be almost the same, just slightly warmer and a bit breezier.

Saturday will start with sunshine, but our next system will roll in late Saturday and Saturday night bringing a chance of rain and thunderstorms. Scattered rain and thunderstorms will continue into Sunday morning with sunshine and cooler high temperatures in the low 70s by Sunday afternoon.

High temps will stay below average – in the low 70s – through the middle of next week with another chance of scattered rain and thunderstorms late Tuesday into Wednesday.