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

Hazardous Weather Conditions

Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Partly Cloudy

85°F

29°C

Humidity 72%
Wind Speed NE 12 G 16 mph
Barometer 29.80 in (1007.9 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 12 Aug 11:52 am CDT
Extended Forecast for

Smithland IA

  • Today

    Today: Mostly sunny, with a high near 87. East northeast wind around 10 mph.

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Some of the storms could produce heavy rainfall. Patchy smoke before 2am. Increasing clouds, with a low around 66. East wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 66 °F

    Patchy Smoke
    then Heavy
    Rain

  • Thursday

    Thursday: Showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. Some of the storms could produce heavy rainfall. Patchy fog before 8am. High near 78. East wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Heavy Rain
    and Patchy
    Fog then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms between 7pm and 1am, then showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 64. East northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 64 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms before 1pm. Cloudy, with a high near 79. East wind around 10 mph, with gusts as high as 20 mph.

    High: 79 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. East southeast wind around 5 mph becoming calm after midnight.

    Low: 66 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.

    High: 80 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

  • Sunday

    Sunday: Mostly cloudy, with a high near 75.

    High: 75 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 87. East northeast wind around 10 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Some of the storms could produce heavy rainfall. Patchy smoke before 2am. Increasing clouds, with a low around 66. East wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. Some of the storms could produce heavy rainfall. Patchy fog before 8am. High near 78. East wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers and thunderstorms between 7pm and 1am, then showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 64. East northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers and thunderstorms before 1pm. Cloudy, with a high near 79. East wind around 10 mph, with gusts as high as 20 mph.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. East southeast wind around 5 mph becoming calm after midnight.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Sunday
Mostly cloudy, with a high near 75.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Partly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Partly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Smithland IA
 42.24°N 95.94°W (Elev. 1296 ft)
Last Update:
10:58 am CDT Aug 12, 2026
Forecast Valid:
11am CDT Aug 12, 2026-6pm CDT Aug 18, 2026
 
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