Sioux Falls, SD 14-Day Forecast
South Dakota, United States 🇺🇸
57°
Clear right now
Today: high 82°, low 55°
Updated 3 hours ago
Sioux Falls weather for the next 14 days
Wednesday, October 7
Overcast High 74° Low 55°Precipitation
7%
· 0.0 in
Max wind
9 mph
Humidity
50%
UV index
4 - Moderate
Sunrise / sunset
07:31 AM / 06:57 PM
Thursday, October 8
Overcast High 67° Low 51°Precipitation
9%
· 0.0 in
Max wind
9 mph
Humidity
48%
UV index
4 - Moderate
Sunrise / sunset
07:32 AM / 06:56 PM
Friday, October 9
Sunny High 76° Low 54°Precipitation
57%
· 0.09 in
Max wind
19 mph
Humidity
69%
UV index
4 - Moderate
Sunrise / sunset
07:33 AM / 06:54 PM
Saturday, October 10
Sunny High 83° Low 68°Precipitation
1%
· 0.0 in
Max wind
23 mph
Humidity
43%
UV index
7 - High
Sunrise / sunset
07:34 AM / 06:52 PM
Sunday, October 11
Sunny High 73° Low 57°Precipitation
2%
· 0.0 in
Max wind
17 mph
Humidity
53%
UV index
6 - High
Sunrise / sunset
07:36 AM / 06:50 PM
Monday, October 12
Overcast High 79° Low 53°Precipitation
12%
· 0.0 in
Max wind
15 mph
Humidity
58%
UV index
6 - High
Sunrise / sunset
07:37 AM / 06:49 PM
Tuesday, October 13
Overcast High 81° Low 64°Precipitation
58%
· 0.07 in
Max wind
18 mph
Humidity
65%
UV index
6 - High
Sunrise / sunset
07:38 AM / 06:47 PM
Wednesday, October 14
Overcast High 72° Low 61°Precipitation
69%
· 0.09 in
Max wind
17 mph
Humidity
75%
UV index
4 - Moderate
Sunrise / sunset
07:39 AM / 06:45 PM
Thursday, October 15
Sunny High 60° Low 46°Precipitation
13%
· 0.0 in
Max wind
21 mph
Humidity
68%
UV index
4 - Moderate
Sunrise / sunset
07:41 AM / 06:44 PM
Friday, October 16
Patchy rain nearby High 45° Low 40°Precipitation
36%
· 0.02 in
Max wind
23 mph
Humidity
62%
UV index
3 - Moderate
Sunrise / sunset
07:42 AM / 06:42 PM
Saturday, October 17
Sunny High 49° Low 33°Precipitation
4%
· 0.0 in
Max wind
13 mph
Humidity
61%
UV index
3 - Moderate
Sunrise / sunset
07:43 AM / 06:40 PM
Sunday, October 18
Sunny High 54° Low 34°Precipitation
3%
· 0.0 in
Max wind
4 mph
Humidity
56%
UV index
4 - Moderate
Sunrise / sunset
07:44 AM / 06:39 PM
Monday, October 19
Overcast High 58° Low 38°Precipitation
8%
· 0.0 in
Max wind
8 mph
Humidity
54%
UV index
4 - Moderate
Sunrise / sunset
07:45 AM / 06:37 PM
Sioux Falls 14-day outlook: the story
The warmest day of Sioux Falls's 14-day outlook is Saturday, October 10 with a high near 83°F (28°C); the coolest night comes Saturday, October 17, dipping to 33°F (1°C). The trend points cooler: week two runs about 16°F below week one. Highs over the next two weeks average 76°F (25°C), about 17°F (9°C) above the typical October high of 59°F (15°C).
Precipitation is most likely on Friday 9, Tuesday 13, Wednesday 14; the wettest day looks like Friday, October 9 with about 0.09 in (2.3 mm) expected. For the weekend, expect Saturday 83°F (28°C) and sunny / Sunday 73°F (23°C) and sunny.
For typical conditions month by month, see the Sioux Falls climate & average temperatures guide.
Sioux Falls forecast questions
Will it rain in Sioux Falls this week?
The forecast currently shows meaningful precipitation chances on 3 of the next 14 days, peaking around Friday, October 9.
What will be the warmest day in Sioux Falls over the next 14 days?
Saturday, October 10, with a forecast high near 83°F (28°C).
How accurate is a 14-day forecast for Sioux Falls?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Sioux Falls by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 27° | 11° | 5 | 1.0 in | 6.1 h/day | 9.3 h | 17% | 75% |
| February | 31° | 13° | 5 | 0.9 in | 7.9 h/day | 10.4 h | 18% | 66% |
| March | 45° | 26° | 6 | 2.2 in | 8.3 h/day | 11.8 h | 21% | 66% |
| April | 56° | 36° | 10 | 3.6 in | 9.2 h/day | 13.4 h | 32% | 62% |
| May | 69° | 49° | 12 | 4.3 in | 10.3 h/day | 14.7 h | 39% | 65% |
| June | 81° | 62° | 10 | 4.0 in | 12.8 h/day | 15.4 h | 32% | 64% |
| July | 83° | 65° | 7 | 2.6 in | 13.2 h/day | 15.1 h | 24% | 70% |
| August | 81° | 63° | 9 | 3.2 in | 11.4 h/day | 14.0 h | 30% | 72% |
| September | 76° | 58° | 8 | 2.7 in | 10.1 h/day | 12.4 h | 27% | 67% |
| October | 59° | 42° | 7 | 2.5 in | 8.0 h/day | 10.9 h | 23% | 64% |
| November | 45° | 29° | 5 | 1.5 in | 6.9 h/day | 9.6 h | 16% | 68% |
| December | 33° | 18° | 6 | 1.5 in | 5.9 h/day | 9.0 h | 18% | 73% |
14-day forecasts nearby