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

Hazardous Weather Outlook

En Español

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

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

Sioux City IA

Memorial
Day

Chance
T-storms
High: 76 °F
Tonight

Slight Chance
T-storms then
Chance
T-storms
Low: 54 °F
Tuesday

Chance
T-storms then
T-storms
High: 68 °F
Tuesday
Night

T-storms
Low: 56 °F
Wednesday

Chance
T-storms
High: 70 °F
Wednesday
Night

Chance
Showers
Low: 53 °F
Thursday

Mostly Sunny
then Chance
T-storms
High: 72 °F
Thursday
Night

Partly Cloudy
Low: 53 °F
Friday

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%.