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United States weather

Weather in Sioux City, Iowa for March 2026

Your guide to Sioux City weather in March - trends and predictions

    Snow Forecast ❄️

  • With an average of 5 snowy days, Sioux City usually enjoys a light touch of snow in March.
    According to Sioux City snow forecast for March 2026, 1 snowy day is expected in the next 2 weeks at Saturday, March 7.

    • Temperatures

  • The forecast for the upcoming days in Sioux City predicts a temperature of 15.5 °F, which is slightly above the historical average.

  • In general, the average temperature in Sioux City at the beginning of March is 9.1 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 15.1 °F by the end of March.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
17
Dry days
Average rainy days
9
Rainy days
Average snowy days
5
Snow days
Average temperatures
12°/1°
Temperatures
Average wind speed
27 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Sioux City Weather March

Move between months or click on a day
February
April
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
1°
2
Overcast
7°
3
Overcast
14°
4
Overcast
6°
5
Fog
15°
6
Moderate rain
10°
7
Sunny
11°
8
Sunny
17°
9
Sunny
22°
10
Sunny
14°
11
Sunny
11°
12
Sunny
14°
13
Sunny
14°
14
Partly cloudy
17°
15
Overcast
29°
16
Sunny
22°
17
Sunny
22°
18
Overcast
15°
19
Moderate or heavy snow showers
6°
20
Partly cloudy
8°
21
Overcast
12°
22
Overcast
12°
23
Moderate rain at times
13°
24
Overcast
11°
25
Sunny
16°
26
Patchy rain possible
17°
27
Partly cloudy
20°
28
Overcast
25°
29
Moderate or heavy rain shower
15°
30
Overcast
3°
31
Cloudy
10°

Temperatures trend during March in Sioux City

See the weather trend as well as the moving average line

March weather in Sioux City day by day

Click on a date for more information
February April
Date Weather Temperatures Rain Snow More
Mar. 1 Overcast
Overcast
 1° /-5° 0 mm 0 cm
Mar. 2 Overcast
Overcast
 7° /-3° 0 mm 0 cm
Mar. 3 Overcast
Overcast
 14° /1° 0.3 mm 0 cm
Mar. 4 Overcast
Overcast
 6° /1° 0 mm 0 cm
Mar. 5 Fog
Fog
 15° /2° 0 mm 0 cm
Mar. 6 Moderate rain
Moderate rain
 10° /4° 6.7 mm 0 cm
Mar. 7 Sunny
Sunny
 11° /0° 0 mm 0 cm
Mar. 8 Sunny
Sunny
 17° /6° 0 mm 0 cm
Mar. 9 Sunny
Sunny
 22° /10° 0 mm 0 cm
Mar. 10 Sunny
Sunny
 14° /5° 0 mm 0 cm
Mar. 11 Sunny
Sunny
 11° /2° 0 mm 0 cm
Mar. 12 Sunny
Sunny
 14° /1° 0 mm 0 cm
Mar. 13 Sunny
Sunny
 14° /6° 0 mm 0 cm
Mar. 14 Partly cloudy
Partly cloudy
 17° /2° 0 mm 0 cm
Mar. 15 Overcast
Overcast
 29° /13° 0 mm 0 cm
Mar. 16 Sunny
Sunny
 22° /3° 0 mm 0 cm
Mar. 17 Sunny
Sunny
 22° /3° 0 mm 0 cm
Mar. 18 Overcast
Overcast
 15° /5° 0 mm 0 cm
Mar. 19 Moderate or heavy snow showers
Moderate or heavy snow showers
 6° /0° 16.7 mm 11.3 cm
Mar. 20 Partly cloudy
Partly cloudy
 8° /-3° 0 mm 0 cm
Mar. 21 Overcast
Overcast
 12° /1° 0 mm 0 cm
Mar. 22 Overcast
Overcast
 12° /-2° 0.6 mm 0 cm
Mar. 23 Moderate rain at times
Moderate rain at times
 13° /4° 2 mm 0 cm
Mar. 24 Overcast
Overcast
 11° /0° 0 mm 0 cm
Mar. 25 Sunny
Sunny
 16° /1° 0 mm 0 cm
Mar. 26 Patchy rain possible
Patchy rain possible
 17° /0° 0.3 mm 0 cm
Mar. 27 Partly cloudy
Partly cloudy
 20° /5° 0.1 mm 0 cm
Mar. 28 Overcast
Overcast
 25° /13° 1.9 mm 0 cm
Mar. 29 Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /2° 15.2 mm 0 cm
Mar. 30 Overcast
Overcast
 3° /1° 1.4 mm 1 cm
Mar. 31 Cloudy
Cloudy
 10° /0° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Sioux City in March is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Sioux City forecast closer to your planned date for the most up-to-date weather information.
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Sioux City in March - FAQ

What are the expected maximum and minimum temperatures in Sioux City during March?

Prepare for cooler days with highs just around 12° and colder nights, dipping below 1°.

How much rainfall should be expected in Sioux City during March?

Moderate rainfall is anticipated in Sioux City during March, with a total of 94 mm spread over approximately 9 days. Considering plans for rainy days is advisable.

Will it snow in Sioux City in March 2026?

Sioux City experiences an average snowfall of 20.3 cm during March, occurring over 5 days.

What are the typical wind conditions in Sioux City during March?

The average wind speed in Sioux City during March is 27 km/h, suggesting breezy to windy conditions, depending on your activities.

Sioux City snow forecast March 2026

Track daily snowfall levels and discover Sioux City’s snowy potential this March ❄️
On average, Sioux City sees 5 snowy days during March, with approximately 20.3 cm of total snowfall.

March rainfall patterns in Sioux City

Explore the daily rainfall trends and prepare for Sioux Citys March weather 💧
Typically, Sioux City has 9 rainy days in March with a total of 94 mm of rainfall.

UV exposure in Sioux City during March

Stay informed about UV levels for safe outdoor activities throughout the month of March ☀️

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Location coordinates Where is Sioux City?

Get accurate weather forecasts for Sioux City, located at latitude 42.5 and longitude -96.4. Stay updated with localized weather information tailored for Sioux City.

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