Forecast for Sioux City, IA | Forecast Periods: 14
Monday
Mar 16
2026
Sioux City, IA
Updated: 2:48 PM CDT
19°F
Sunny
15 mph NW
Precipitation: 0%
Sunny, with a high near 19. Northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Hourly Forecast
Extended Forecast
Tonight
Mon, Mar 16
4°F
Mostly Clear
0 mph NNW
Precipitation: 0%
Mostly clear. Low around 4, with temperatures rising to around 7 overnight. North northwest wind 0 to 15 mph.
Tuesday
Tue, Mar 17
34°F
Light Snow Likely
5 mph SSE
Precipitation: 58%
Snow likely between 9am and 5pm, then a chance of rain. Mostly cloudy, with a high near 34. South southeast wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than half an inch possible.
Tuesday Night
Tue, Mar 17
26°F
Slight Chance Light Rain then Mostly Cloudy
5 mph SSW
Precipitation: 22%
A slight chance of rain before 7pm. Mostly cloudy. Low around 26, with temperatures rising to around 29 overnight. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New snow accumulation of less than half an inch possible.
Wednesday
Wed, Mar 18
62°F
Mostly Sunny
5 mph W
Precipitation: 0%
Mostly sunny, with a high near 62. West wind around 5 mph.
Wednesday Night
Wed, Mar 18
38°F
Partly Cloudy
5 mph WSW
Precipitation: 0%
Partly cloudy, with a low around 38. West southwest wind around 5 mph.
Thursday
Thu, Mar 19
71°F
Mostly Sunny
5 mph WNW
Precipitation: 0%
Mostly sunny, with a high near 71.
Thursday Night
Thu, Mar 19
46°F
Partly Cloudy
5 mph SW
Precipitation: 0%
Partly cloudy, with a low around 46.
Friday
Fri, Mar 20
78°F
Mostly Sunny
5 mph W
Precipitation: 0%
Mostly sunny, with a high near 78.
Friday Night
Fri, Mar 20
45°F
Partly Cloudy
5 mph W
Precipitation: 0%
Partly cloudy, with a low around 45.
Saturday
Sat, Mar 21
75°F
Mostly Sunny
10 mph WNW
Precipitation: 1%
Mostly sunny, with a high near 75.
Saturday Night
Sat, Mar 21
41°F
Partly Cloudy
10 mph N
Precipitation: 4%
Partly cloudy, with a low around 41.
Sunday
Sun, Mar 22
58°F
Mostly Sunny
10 mph NNW
Precipitation: 4%
Mostly sunny, with a high near 58.
Sunday Night
Sun, Mar 22
30°F
Mostly Cloudy
10 mph NE
Precipitation: 4%
Mostly cloudy, with a low around 30.