Sioux City Weather Forecast 15 Days, Weather in Sioux City Today
Current weather conditions and 15 day weather forecast for Sioux City, Iowa, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Sioux City
| 21 February 2026 Saturday -8.3 ° C / 17.1°F  Clear |
Feels Like : -12.7 ° C / 9.1°F Humidity : % 58 Pressure : 1018 mb Wind Speed : 8.6 kmph / 5.4 miles from NNW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Sioux City, IA, USA
Weather Forecast for next 15 Days for Sioux City including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Sioux City, Iowa state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 20 February 2026 Friday | Sunny |
-11.9 ° C (10.6°F) |
-0.4 ° C (31.3°F) |
-7.5 ° C (18.5°F) |
% 58 | 0% | 0.5 | Sunrise:07:15 AM Sunset: 06:04 PM |
Moonrise:08:34 AM Moonset: 10:03 PM Moon Phase ( Waxing Crescent ) |
|
| 21 February 2026 Saturday | Sunny |
-12.3 ° C (9.9°F) |
2.2 ° C (36°F) |
-6.1 ° C (20.9°F) |
% 57 | 0% | 0.4 | Sunrise:07:13 AM Sunset: 06:06 PM |
Moonrise:08:58 AM Moonset: 11:19 PM Moon Phase ( Waxing Crescent ) |
|
| 22 February 2026 Sunday | Sunny |
-9.4 ° C (15.1°F) |
2.7 ° C (36.9°F) |
-4 ° C (24.9°F) |
% 44 | 0% | 0.5 | Sunrise:07:12 AM Sunset: 06:07 PM |
Moonrise:09:25 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 23 February 2026 Monday | Sunny |
-10.7 ° C (12.7°F) |
-2.5 ° C (27.5°F) |
-6.7 ° C (19.9°F) |
% 50 | 0% | 0.6 | Sunrise:07:10 AM Sunset: 06:08 PM |
Moonrise:09:58 AM Moonset: 12:36 AM Moon Phase ( Waxing Crescent ) |
|
| 24 February 2026 Tuesday | Sunny |
-5.9 ° C (21.4°F) |
14.9 ° C (58.9°F) |
4.6 ° C (40.2°F) |
% 50 | 0% | 0.4 | Sunrise:07:09 AM Sunset: 06:09 PM |
Moonrise:10:40 AM Moonset: 01:54 AM Moon Phase ( First Quarter ) |
|
| 25 February 2026 Wednesday |  Partly Cloudy |
0.1 ° C (32.1°F) |
8.3 ° C (46.9°F) |
3.8 ° C (38.8°F) |
% 60 | 0% | 0 | Sunrise:07:07 AM Sunset: 06:10 PM |
Moonrise:11:35 AM Moonset: 03:06 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 February 2026 Thursday |  Patchy rain nearby |
-3.6 ° C (25.5°F) |
8.7 ° C (47.7°F) |
1.8 ° C (35.2°F) |
% 67 | 87% | 1 | Sunrise:07:06 AM Sunset: 06:12 PM |
Moonrise:12:40 PM Moonset: 04:10 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 February 2026 Friday | Sunny |
2.8 ° C (37°F) |
16.8 ° C (62.2°F) |
8.8 ° C (47.8°F) |
% 37 | 0% | 3 | Sunrise:07:04 AM Sunset: 06:13 PM |
Moonrise:01:54 PM Moonset: 05:02 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 February 2026 Saturday | Partly Cloudy |
-6 ° C (21.3°F) |
1.9 ° C (35.4°F) |
1.1 ° C (34°F) |
% 43 | 0% | 2 | Sunrise:07:02 AM Sunset: 06:14 PM |
Moonrise:03:12 PM Moonset: 05:42 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 March 2026 Sunday | Sunny |
-11.6 ° C (11.2°F) |
-1.8 ° C (28.7°F) |
-7.5 ° C (18.5°F) |
% 42 | 0% | 2 | Sunrise:07:01 AM Sunset: 06:15 PM |
Moonrise:04:27 PM Moonset: 06:13 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 March 2026 Monday | Sunny |
-7.4 ° C (18.7°F) |
11.1 ° C (52°F) |
1.3 ° C (34.3°F) |
% 34 | 0% | 2 | Sunrise:06:59 AM Sunset: 06:17 PM |
Moonrise:05:41 PM Moonset: 06:39 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 March 2026 Tuesday | Sunny |
2.6 ° C (36.7°F) |
15.9 ° C (60.6°F) |
7.7 ° C (45.9°F) |
% 42 | 0% | 3 | Sunrise:06:57 AM Sunset: 06:18 PM |
Moonrise:06:50 PM Moonset: 07:01 AM Moon Phase ( Full Moon ) |
|
| 04 March 2026 Wednesday | Sunny |
0.5 ° C (32.8°F) |
17.8 ° C (64.1°F) |
8.4 ° C (47.1°F) |
% 43 | 0% | 3 | Sunrise:06:56 AM Sunset: 06:19 PM |
Moonrise:07:58 PM Moonset: 07:21 AM Moon Phase ( Waning Gibbous ) |
|
| 05 March 2026 Thursday | Partly Cloudy |
-1.4 ° C (29.4°F) |
9.2 ° C (48.5°F) |
3.8 ° C (38.9°F) |
% 54 | 0% | 2 | Sunrise:06:54 AM Sunset: 06:20 PM |
Moonrise:09:05 PM Moonset: 07:40 AM Moon Phase ( Waning Gibbous ) |
|
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