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Current Weather and Forecast in Sioux Falls, SD

South Dakota, United States 🇺🇸 · Local time 22:19
64°
Clear Feels like 54° · High 75° / Low 49°
Wind
16 mph
Humidity
55%
UV index
0 Low
Updated just now

Sioux Falls hourly forecast: next 24 hours

Today's high of 75°F (24°C) is about 16°F (9°C) above the typical October high of 59°F (15°C).

Now
11 PM
12 AM
1 AM
2 AM
3 AM
4 AM
5 AM
6 AM
7 AM
7:30 AM
Sunrise
8 AM
9 AM
10 AM
11 AM
12 PM
1 PM
2 PM
3 PM
4 PM
5 PM
6 PM
6:59 PM
Sunset
7 PM
8 PM
9 PM

Full Sioux Falls hourly forecast →

Current conditions in detail

Feels like
54°
Heat index / wind chill adjusted
Wind
16 mph
S · gusts 38 mph
Humidity
55%
Dew point 47°
Pressure
29.93 in
What pressure readings mean
Visibility
6 mi
Precipitation
0.0 in
2% chance today

Sioux Falls weather tomorrow (Tuesday, October 6)

Tomorrow in Sioux Falls looks sunny, with a high of 81° and an overnight low of 55°. Rain is unlikely (2% chance). Winds top out near 16 mph, and the UV index reaches 4 (moderate).

High / Low
81° / 55°
Precipitation
2%
Sunrise / sunset
07:30 AM / 06:59 PM

See the full Sioux Falls 14-day forecast →

Sioux Falls 14-day forecast

Today
Sunny
High 75° Low 49°
Chance of precipitation: 2%
Tue, Oct 6 Tuesday
Sunny
High 81° Low 55°
Chance of precipitation: 2%
Wed, Oct 7 Wednesday
Overcast
High 74° Low 55°
Chance of precipitation: 7%
Thu, Oct 8 Thursday
Overcast
High 70° Low 52°
Chance of precipitation: 10%
Fri, Oct 9 Friday
Overcast
High 74° Low 54°
Chance of precipitation: 11%
Sat, Oct 10 Saturday
Sunny
High 84° Low 65°
Chance of precipitation: 2%
Sun, Oct 11 Sunday
Sunny
High 70° Low 54°
Chance of precipitation: 4%
Mon, Oct 12 Monday
Sunny
High 72° Low 48°
Chance of precipitation: 40%
Tue, Oct 13 Tuesday
Light rain shower
High 67° Low 61°
Chance of precipitation: 92%
Wed, Oct 14 Wednesday
Overcast
High 62° Low 53°
Chance of precipitation: 67%
Thu, Oct 15 Thursday
Overcast
High 60° Low 49°
Chance of precipitation: 80%
Fri, Oct 16 Friday
Sunny
High 59° Low 47°
Chance of precipitation: 71%
Sat, Oct 17 Saturday
Sunny
High 52° Low 38°
Chance of precipitation: 3%
Sun, Oct 18 Sunday
Overcast
High 69° Low 43°
Chance of precipitation: 10%

About the weather in Sioux Falls

Sioux Falls has a humid continental climate. July is the warmest month, with average highs of 83°, and January the coldest, when nights fall to around 11°. May brings the most rain, on about 12 days, while July is the sunniest, with 13.2 hours of sunshine a day. Over a whole year it rains on roughly 91 days.

Sioux Falls climate guide: monthly averages, seasons and the best time to visit

Common questions

How often does it rain in Sioux Falls?
About 91 days bring measurable precipitation, totalling 30.0 inches (761 mm). That works out at roughly 8.4 mm on an average wet day.
What is the best month to go to Sioux Falls?
The best time to visit Sioux Falls is generally June to October, when these are the warmest and brightest weeks of the year. Daytime temperatures in that window sit near 76°F (24°C), with rain on about 8 days a month. For the same question asked the other way round, see where else is warm in June.
When does Sioux Falls drop below freezing?
Average overnight lows sit at or below 0°C in 5 months of the year, November through March.
How sunny is Sioux Falls?
9.2 hours a day averaged over the year, peaking in July at 13.2 hours.
Is there snow in Sioux Falls?
Yes - about 19 days a year carry measurable snowfall, concentrated October through April.
What is the hottest month in Sioux Falls?
July, averaging 83°F (28°C) by day and 65°F (18°C) overnight. The hottest single day in our 2015-2024 record for this location reached 102°F (39°C).
When does it rain most in Sioux Falls?
May, at 4.3 inches (110 mm) over about 12 days. February is the driest month, at 22 mm (0.9 in).
Which month is coolest in Sioux Falls?
January, with highs of 27°F (-3°C) and lows near 11°F (-11°C). The coldest day in the 2015-2024 record fell to -24°F (-31°C).