Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Overcast

68°F

20°C

Humidity 93%
Wind Speed Calm
Barometer 29.94 in (1013.1 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 19 Aug 2:54 am CDT
Extended Forecast for

Stout IA

  • Overnight

    Overnight: Patchy fog after 4am.  Otherwise, mostly cloudy, with a steady temperature around 65. Light north wind.

    Low: 65 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 78. North northeast wind 3 to 5 mph.

    High: 78 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming clear, with a low around 58. Calm wind.

    Low: 58 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 80. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers, then a chance of showers and thunderstorms after 10pm.  Partly cloudy, with a low around 64. South wind around 7 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    T-storms

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms.  Mostly clear, with a low around 62.

    Low: 62 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly cloudy, with a steady temperature around 65. Light north wind.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 78. North northeast wind 3 to 5 mph.
Wednesday Night
Mostly cloudy, then gradually becoming clear, with a low around 58. Calm wind.
Thursday
Sunny, with a high near 80. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Thursday Night
A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Partly cloudy, with a low around 64. South wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 81.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Mostly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Stout IA
 42.53°N 92.73°W
1:26 am CDT Aug 19, 2026
3am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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