Sioux City, IA Weather Forecast

Local 7-day forecast

69°
F

Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Sioux City, IA in one place.

Saturday, April 11, 2026
Wind: 10 to 20 mph SE
Saturday

Showers and thunderstorms. Cloudy, with a high near 69. Southeast wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

Local 7-day forecast

Local Weather Overview

This forecast page for Sioux City, IA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 9, 2026 2:24 PM CDT.

The active forecast window currently covers Apr 11 to Apr 15, 2026 for Sioux City, IA.

Page Snapshot

Page focus
city weather
Forecast window
Apr 11 to Apr 15, 2026
Latest sync
Apr 9, 2026 2:24 PM CDT
Forecast office
FSD
Source
NOAA / NWS
Next High
69°F
Saturday
Next Low
59°F
Saturday Night
Rain Outlook
10
Periods mentioning precipitation
Windiest
10 to 20 mph
Saturday

Daily Outlook

Today
Apr 11
Showers And Thunderstorms
69 °F
/ 59°F
Wind 10 to 20 mph
Sun
Apr 12
Chance Rain Showers
81 °F
/ 54°F
Wind 15 to 20 mph
Mon
Apr 13
Mostly Sunny then Slight Chance Rain Showers
83 °F
/ 47°F
Wind 5 to 15 mph
Tue
Apr 14
Chance Showers And Thunderstorms
65 °F
/ 38°F
Wind 10 to 15 mph
Wed
Apr 15
Chance Rain Showers
62 °F
/ 41°F
Wind 10 to 15 mph

This Week in Sioux City

Monday looks like the warmest upcoming period in Sioux City at 83 degrees F.

Tuesday Night is the coolest period ahead with temperatures near 38 degrees F.

The strongest winds are forecast for Saturday at about 10 to 20 mph SE.

Precipitation is mentioned in 10 upcoming forecast periods.

Forecast Details

Last updated
Apr 9, 2026 2:24 PM CDT
Coverage
5 days
Time zone
America/Chicago
Forecast office
FSD
Radar station
KFSD

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Saturday Night
Apr 11
59°F
Showers And Thunderstorms Likely
15 to 20 mph S

Showers and thunderstorms likely. Cloudy, with a low around 59. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

Sunday
Apr 12
81°F
Chance Rain Showers
15 to 20 mph SSW

A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 50%.

Sunday Night
Apr 12
54°F
Chance Showers And Thunderstorms
5 to 15 mph S

A chance of showers and thunderstorms before 1am. Mostly clear, with a low around 54. Chance of precipitation is 50%.

Monday
Apr 13
83°F
Mostly Sunny then Slight Chance Rain Showers
5 to 15 mph S

A slight chance of rain showers after 1pm. Mostly sunny, with a high near 83.

Monday Night
Apr 13
47°F
Chance Showers And Thunderstorms
5 to 10 mph ESE

A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 47. Chance of precipitation is 40%.

Tuesday
Apr 14
65°F
Chance Showers And Thunderstorms
10 to 15 mph N

A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 65. Chance of precipitation is 50%.

Tuesday Night
Apr 14
38°F
Chance Showers And Thunderstorms
10 to 15 mph N

A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.

Wednesday
Apr 15
62°F
Chance Rain Showers
10 to 15 mph WNW

A chance of rain showers. Partly sunny, with a high near 62. Chance of precipitation is 40%.

Wednesday Night
Apr 15
41°F
Chance Rain Showers
10 mph SSW

A chance of rain showers before 1am. Partly cloudy, with a low around 41. Chance of precipitation is 30%.

Detailed Forecast

Period Conditions Temp Wind
Saturday
Apr 11
Showers And Thunderstorms
69°F
10 to 20 mph
SE
Saturday Night
Apr 11
Showers And Thunderstorms Likely
59°F
15 to 20 mph
S
Sunday
Apr 12
Chance Rain Showers
81°F
15 to 20 mph
SSW
Sunday Night
Apr 12
Chance Showers And Thunderstorms
54°F
5 to 15 mph
S
Monday
Apr 13
Mostly Sunny then Slight Chance Rain Showers
83°F
5 to 15 mph
S
Monday Night
Apr 13
Chance Showers And Thunderstorms
47°F
5 to 10 mph
ESE
Tuesday
Apr 14
Chance Showers And Thunderstorms
65°F
10 to 15 mph
N
Tuesday Night
Apr 14
Chance Showers And Thunderstorms
38°F
10 to 15 mph
N
Wednesday
Apr 15
Chance Rain Showers
62°F
10 to 15 mph
WNW
Wednesday Night
Apr 15
Chance Rain Showers
41°F
10 mph
SSW
Woodbury County Courthouse setting from WNW 1
Woodbury County Courthouse setting from WNW 1 image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.