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

Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Tekamah, Tekamah Municipal Airport (KTQE)

Lat: 41.77°NLon: 96.18°WElev: 1027ft.

Fair

63°F

17°C

Humidity 97%
Wind Speed N 3 mph
Barometer 30.02 in (1015.8 mb)
Dewpoint 62°F (17°C)
Visibility 8.00 mi
Last update 20 Aug 1:54 am CDT
Extended Forecast for

3 Miles SE Little Sioux IA

Dense Fog Advisory until August 20, 10:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until August 20, 10:00am

    NOW until 10:00am Thu

    Dense Fog Advisory

  • Overnight

    Low: 60 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 80. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. South wind around 6 mph.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers between 2pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 84. Light and variable wind becoming west around 5 mph. Chance of precipitation is 20%.

    High: 84 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 63. Light east northeast wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 80. Calm wind becoming north northeast 5 to 7 mph in the afternoon.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60. East wind 3 to 5 mph.

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers before 1pm. Partly sunny, with a high near 76. Calm wind becoming south southeast 5 to 7 mph in the afternoon.

    High: 76 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 60. Calm wind.
Thursday
Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 80. Calm wind becoming south 5 to 9 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 64. South wind around 6 mph.
Friday
A slight chance of showers between 2pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 84. Light and variable wind becoming west around 5 mph. Chance of precipitation is 20%.
Friday Night
A 30 percent chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 63. Light east northeast wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Sunny, with a high near 80. Calm wind becoming north northeast 5 to 7 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 60. East wind 3 to 5 mph.
Sunday
A slight chance of showers before 1pm. Partly sunny, with a high near 76. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Sunday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 62. Southeast wind 7 to 9 mph.
Monday
A slight chance of showers before 1pm. Partly sunny, with a high near 79. Southeast wind around 10 mph, with gusts as high as 20 mph.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64. Southeast wind 5 to 8 mph.
Tuesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 82. South wind around 6 mph becoming west northwest in the afternoon.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64. Northwest wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 81. Calm wind becoming north northwest around 6 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Little Sioux IA
 41.78°N 96°W (Elev. 1214 ft)
Last Update:
2:21 am CDT Aug 20, 2026
Forecast Valid:
2am CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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