Weather in Sioux City, Iowa for April 2026
Red Flag Warning - See hour by hour.
Until now, April 2026 in Sioux City has been nearly identical to the historical average, with a temperature of 14.7 °F (showing only a slight deviation of -0.5 °F).
Expect cooler weather in the next days in Sioux City with the forecast suggesting a temperature of 17.9 °F, lower than the historical average.
In general, the average temperature in Sioux City at the beginning of April is 9.4 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 15.4 °F by the end of April.
The climate of Sioux City in April is notably wet, with an average of 13 rainy days, and a total of 71 mm of precipitation.
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Sioux City Weather April
Temperatures trend during April in Sioux City
April weather in Sioux City day by day
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Apr. 1 | Heavy rain at times | 8° /2° | 33.4 mm | 0 cm | |
| Apr. 2 | Moderate or heavy rain shower | 11° /2° | 30.4 mm | 0 cm | |
| Apr. 3 | Overcast | 7° /0° | 5.8 mm | 0 cm | |
| Apr. 4 | Overcast | 10° /2° | 0.3 mm | 0 cm | |
| Apr. 5 | Sunny | 14° /-1° | 0.2 mm | 0 cm | |
| Apr. 6 | Sunny | 11° /-1° | 0 mm | 0 cm | |
| Apr. 7 | Sunny | 5° /0° | 11 mm | 6.9 cm | |
| Apr. 8 | Overcast | 14° /0° | 0 mm | 0 cm | |
| Apr. 9 | Overcast | 14° /1° | 0 mm | 0 cm | |
| Apr. 10 | Patchy rain possible | 16° /3° | 0.1 mm | 0 cm | |
| Apr. 11 | Partly cloudy | 16° /3° | 3.6 mm | 0 cm | |
| Apr. 12 | Overcast | 27° /11° | 0 mm | 0 cm | |
| Apr. 13 | Overcast | 25° /13° | 0 mm | 0 cm | |
| Apr. 14 | Patchy rain possible | 18° /9° | 0.1 mm | 0 cm | |
| Apr. 15 | Sunny | 17° /6° | 2.8 mm | 0 cm | |
| Apr. 16 | Sunny | 26° /5° | 4.2 mm | 0 cm | |
| Apr. 17 | Moderate rain at times | 22° /8° | 0.4 mm | 0 cm | |
| Apr. 18 | Overcast | 12° /3° | 1.5 mm | 0 cm | |
| Apr. 19 | Sunny | 15° /-1° | 0 mm | 0 cm | |
| Apr. 20 | Patchy rain possible | 16° /3° | 0.9 mm | 0 cm | |
| Apr. 21 | Sunny | 25° /7° | 4.4 mm | 0 cm | |
| Apr. 22 | Sunny | 31° /15° | 0 mm | 0 cm | |
| Apr. 23 | Patchy rain possible | 27° /12° | 0.9 mm | 0 cm | |
| Apr. 24 | Sunny | 16° /7° | 0 mm | 0 cm | |
| Apr. 25 | Patchy rain possible | 14° /6° | 0.1 mm | 0 cm | |
| Apr. 26 | Heavy rain | 10° /6° | 27.7 mm | 0 cm | |
| Apr. 27 | Patchy rain possible | 12° /7° | 0.2 mm | 0 cm | |
| Apr. 28 | Patchy rain possible | 14° /5° | 0 mm | 0 cm | |
| Apr. 29 | Partly cloudy | 22° /9° | 0.1 mm | 0 cm | |
| Apr. 30 | Sunny | 20° /11° | 0 mm | 0 cm | |
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Sioux City in April - FAQ
What are the expected maximum and minimum temperatures in Sioux City during April?
How much rainfall should be expected in Sioux City during April?
What are the typical wind conditions in Sioux City during April?
Sioux City snow forecast April 2026
April rainfall patterns in Sioux City
UV exposure in Sioux City during April
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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.