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 and Breezy

86°F

30°C

Humidity 57%
Wind Speed S 21 G 32 mph
Barometer 29.54 in (998.8 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 21 Jun 9:52 am CDT
Extended Forecast for

Oto IA

Extreme Heat Warning June 21, 10:49am until June 22, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 21, 10:49am until June 22, 09:00pm

    NOW until 9:00pm Sun

    Extreme Heat Warning

  • Today

    High: 100 °F

    Hot and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 78. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph.

    Low: 78 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 99. Heat index values as high as 104. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 99 °F

    Hot and
    Breezy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 71 °F

    Chance
    T-storms and
    Breezy

  • Monday

    Monday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. West wind around 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    High: 84 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 63. East northeast wind 5 to 10 mph. Chance of precipitation is 80%.

    Low: 63 °F

    T-storms
    Likely then
    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 80. Chance of precipitation is 80%.

    High: 80 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 66. Chance of precipitation is 80%.

    Low: 66 °F

    T-storms

Detailed Forecast

Today
Sunny and hot, with a high near 100. Heat index values as high as 106. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 35 mph.
Tonight
Mostly clear, with a low around 78. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph.
Sunday
Sunny and hot, with a high near 99. Heat index values as high as 104. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Monday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. West wind around 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 63. East northeast wind 5 to 10 mph. Chance of precipitation is 80%.
Tuesday
Showers and possibly a thunderstorm. High near 80. Chance of precipitation is 80%.
Tuesday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 66. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 84. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 65. Chance of precipitation is 80%.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oto IA
 42.29°N 95.91°W (Elev. 1325 ft)
Last Update:
10:46 am CDT Jun 21, 2025
Forecast Valid:
10am CDT Jun 21, 2025-6pm CDT Jun 27, 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