Two-week planning outlook

14-Day Weather Forecast for Sioux City, Iowa

Daily high and low temperatures, rain chances, wind, UV index, weekend conditions, and planning guidance for the next two weeks.

Expect daytime highs between 61°F and 103°F during the next 14 days. Rain chances peak at 100% on Sunday, Sep 6, while Tue, Sep 15 · Mon, Sep 14 · Wed, Sep 16 currently look most favorable for outdoor plans.

Updated Sep 6, 10:13 AM -05:00

14 Days at a Glance

Complete two-week outlook

Warmest DayFri, Sep 11 · 103°FScattered Clouds

Coolest NightMon, Sep 14 · 43°FClear Sky

Highest Rain ChanceSun, Sep 6 · 100%Moderate Rain

Strongest WindFri, Sep 11 · 24.7 mphNo gust data

Weekend OutlookRain possible · Moderate Rain94°F / 68°F

Total Precipitation2.12 inEstimated across 14 days

Extended local outlook

14-Day Forecast

Detailed 48-hour forecast

Sunday, Sep 6 · 94°F / 68°F

Moderate Rain

Rain chance 100%, 21.1 mph SE, humidity 52%.

Morning: 73°F
Afternoon: 87°F
Evening: 93°F
Overnight: 78°F
Humidity: 52%
Pressure: 29.97 inHg
Dew point: —
UV index: 0 low
Sunrise: 6:56 AM
Sunset: 7:52 PM

Temperature Trend

HighLow43°F – 103°F

9/69/79/89/99/109/119/129/139/149/159/169/179/189/19

Rain Chances

100%9/6

100%9/7

91%9/8

31%9/9

0%9/10

0%9/11

2%9/12

100%9/13

0%9/14

0%9/15

0%9/16

0%9/17

0%9/18

0%9/19

UV Index

Daily peak

09/6

09/7

09/8

09/9

09/10

09/11

09/12

09/13

09/14

09/15

09/16

09/17

09/18

09/19

Planning Ahead

Forecast-based guidance

Most Favorable Outdoor Days

Tue, Sep 15 · Mon, Sep 14 · Wed, Sep 16

Lower rain chances and manageable winds

Rainy Days

Sun, Sep 6 · Mon, Sep 7 · Sun, Sep 13

Peak chance 100%

Warmest Days

Fri, Sep 11 · Mon, Sep 7 · Sun, Sep 6

Highs up to 103°F

Coolest Nights

Mon, Sep 14 · Tue, Sep 15 · Wed, Sep 16

Lows near 43°F

Windiest Day

Friday, Sep 11

24.7 mph · Gusts —

Weekend Weather

Two-week planning

This Weekend

Sun, Sep 694°F / 68°FModerate Rain · Rain 100%

Next Weekend

Sat, Sep 1277°F / 61°FOvercast Clouds · Rain 2%

Sun, Sep 1361°F / 50°FHeavy Intensity Rain · Rain 100%

14-Day Weather Forecast for Sioux City, Iowa

Temperatures range from an overnight low near 43°F to a daytime high near 103°F. The strongest rain signal is 100% on Sunday, Sep 6, with 3 notable wet days in the current outlook.

FAQ

14-day forecast questions for Sioux City

What is the 14-day weather forecast for Sioux City?

Will it rain in Sioux City during the next two weeks?

The strongest rain signal is 100% on Sunday, Sep 6, with 3 notable wet days in the current outlook.

What is the hottest day in Sioux City during the next 14 days?

The warmest forecast day is Friday, Sep 11, with a high near 103°F.

What is the coldest night in Sioux City?

The lowest forecast temperature is 43°F on Monday, Sep 14.

What will the weather be this weekend in Sioux City?

This Weekend currently ranges from 68°F to 94°F, with rain chances peaking at 100%.