Severe Thunderstorm and Flash Flood Risk from the Central Plains into the Midwest; Heat Wave Continues in the Southeast

A Slight to Enhanced Risk of severe thunderstorms is forecast this Memorial Day from the central High Plains east into the Midwest states with threats for large hail, damaging winds, and possibly a few tornadoes. There is also a risk for heavy rain and flash flooding for these areas. In the Southeast, record high temperatures remain possible through at least Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Mostly Cloudy

66°F

19°C

Humidity 93%
Wind Speed SE 15 G 25 mph
Barometer 29.58 in (1001.1 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 27 May 7:52 am CDT
Extended Forecast for

Sioux City IA

  • Memorial
    Day

    Memorial Day: A chance of showers and thunderstorms, mainly before 2pm.  Mostly cloudy, with a high near 76. Southeast wind 5 to 15 mph becoming northwest in the afternoon.  Chance of precipitation is 50%.

    Chance
    T-storms

    High: 76 °F

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 54. North northeast wind 10 to 15 mph.  Chance of precipitation is 50%.

    Slight Chance
    T-storms then
    Chance
    T-storms

    Low: 54 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm.  High near 68. East northeast wind 10 to 15 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms then
    T-storms

    High: 68 °F

  • Tuesday
    Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Low around 56. East wind 5 to 10 mph.  Chance of precipitation is 80%.

    T-storms

    Low: 56 °F

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly after 1pm.  Mostly cloudy, with a high near 70. East wind 5 to 10 mph.  Chance of precipitation is 40%.

    Chance
    T-storms

    High: 70 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers.  Mostly cloudy, with a low around 53. Chance of precipitation is 30%.

    Chance
    Showers

    Low: 53 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 72. Chance of precipitation is 30%.

    Mostly Sunny
    then Chance
    T-storms

    High: 72 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 53.

    Partly Cloudy

    Low: 53 °F

  • Friday

    Friday: Sunny, with a high near 79.

    Sunny

    High: 79 °F

Detailed Forecast

Memorial Day
A chance of showers and thunderstorms, mainly before 2pm. Mostly cloudy, with a high near 76. Southeast wind 5 to 15 mph becoming northwest in the afternoon. Chance of precipitation is 50%.
Tonight
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 54. North northeast wind 10 to 15 mph. Chance of precipitation is 50%.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 68. East northeast wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 56. East wind 5 to 10 mph. Chance of precipitation is 80%.
Wednesday
A chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 70. East wind 5 to 10 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 72. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 57.
Saturday
A chance of showers. Mostly sunny, with a high near 77. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 56. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 73.
Click Map For Forecast
Point Forecast:
Sioux City IA
 42.49°N 96.39°W (Elev. 1099 ft)
6:59 am CDT May 27, 2019
8am CDT May 27, 2019-6pm CDT Jun 2, 2019
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database