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.

Fair

68°F

20°C

Humidity 84%
Wind Speed SW 7 mph
Barometer 29.85 in (1009.8 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 17 Jun 12:52 am CDT
Extended Forecast for

3 Miles SW Jefferson SD

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 64. West northwest wind around 5 mph.

    Low: 64 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. East southeast wind 5 to 10 mph becoming north in the morning. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 7pm, then showers and thunderstorms likely between 7pm and 10pm, then showers likely and possibly a thunderstorm after 10pm. Mostly cloudy, with a low around 61. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    T-storms
    Likely then
    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 78. North wind around 10 mph.

    High: 78 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. North northwest wind around 5 mph becoming southwest after midnight.

    Low: 59 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 90. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

  • Friday

    Friday: Sunny, with a high near 94. Breezy.

    High: 94 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 64. West northwest wind around 5 mph.
Tuesday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. East southeast wind 5 to 10 mph becoming north in the morning. Chance of precipitation is 50%.
Tuesday Night
Showers likely and possibly a thunderstorm before 7pm, then showers and thunderstorms likely between 7pm and 10pm, then showers likely and possibly a thunderstorm after 10pm. Mostly cloudy, with a low around 61. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 78. North wind around 10 mph.
Wednesday Night
Mostly clear, with a low around 59. North northwest wind around 5 mph becoming southwest after midnight.
Juneteenth
Sunny, with a high near 90. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 67.
Friday
Sunny, with a high near 94. Breezy.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny and hot, with a high near 98. Breezy.
Saturday Night
Mostly clear, with a low around 75. Breezy.
Sunday
Sunny and hot, with a high near 97. Breezy.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Jefferson SD
 42.58°N 96.59°W (Elev. 1125 ft)
Last Update:
10:31 pm CDT Jun 16, 2025
Forecast Valid:
1am CDT Jun 17, 2025-6pm CDT Jun 23, 2025
 
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