National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Below Normal Temperatures Continue

A strong cold front will sweep through the East on Wednesday with heavy wet snow from the eastern Great Lakes into northern New England and strong thunderstorms with damaging winds in the Mid-Atlantic and Northeast. The big story though will continue to be the well below average temperatures behind this storm system or east of the Rockies, as numerous record low temperatures are likely. Read More >

Hazardous Weather Conditions

Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Fair

28°F

-2°C

Humidity 78%
Wind Speed NW 14 mph
Barometer 30.26 in (1025.8 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 21 Apr 6:52 am CDT
Extended Forecast for

Sioux City IA

  • Today

    Today: A chance of snow showers before 2pm, then a chance of sprinkles between 2pm and 4pm. Mostly sunny, with a high near 48. Northwest wind 10 to 15 mph. Chance of precipitation is 20%.

    Slight Chance
    Snow Showers
    then Chance
    Sprinkles/Flurries

    High: 48 °F

  • Tonight

    Tonight: A chance of sprinkles before 7pm. Mostly clear, with a low around 28. Northwest wind 5 to 10 mph becoming south southwest in the evening.

    Chance
    Sprinkles

    Low: 28 °F

  • Thursday

    Thursday: A chance of sprinkles between 1pm and 4pm, then a chance of showers after 4pm. Increasing clouds, with a high near 58. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Chance of precipitation is 30%.

    Sunny then
    Chance
    Showers

    High: 58 °F

  • Thursday
    Night

    Thursday Night: A chance of showers, mainly before 1am. Mostly cloudy, with a low around 39. South wind 10 to 15 mph. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 39 °F

  • Friday

    Friday: Partly sunny, with a high near 61. South wind 5 to 10 mph.

    Partly Sunny

    High: 61 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 37. Northwest wind 5 to 10 mph.

    Partly Cloudy

    Low: 37 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 56.

    Mostly Sunny

    High: 56 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 38.

    Partly Cloudy

    Low: 38 °F

  • Sunday

    Sunday: Partly sunny, with a high near 68.

    Partly Sunny

    High: 68 °F

Detailed Forecast

Today
A chance of snow showers before 2pm, then a chance of sprinkles between 2pm and 4pm. Mostly sunny, with a high near 48. Northwest wind 10 to 15 mph. Chance of precipitation is 20%.
Tonight
A chance of sprinkles before 7pm. Mostly clear, with a low around 28. Northwest wind 5 to 10 mph becoming south southwest in the evening.
Thursday
A chance of sprinkles between 1pm and 4pm, then a chance of showers after 4pm. Increasing clouds, with a high near 58. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Chance of precipitation is 30%.
Thursday Night
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 39. South wind 10 to 15 mph. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 61. South wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 37. Northwest wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 68.
Sunday Night
Mostly cloudy, with a low around 50.
Monday
Partly sunny, with a high near 81.
Monday Night
Mostly cloudy, with a low around 56.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 74. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Sioux City IA
 42.49°N 96.39°W (Elev. 1099 ft)
Last Update:
5:45 am CDT Apr 21, 2021
Forecast Valid:
7am CDT Apr 21, 2021-6pm CDT Apr 27, 2021
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation