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 >

Current conditions at

Shenandoah Municipal (KSDA)

Lat: 40.75°NLon: 95.42°WElev: 971ft.

Fair

75°F

24°C

Humidity 100%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 75°F (24°C)
Visibility 9.00 mi
Last update 18 Aug 9:30 pm CDT
Extended Forecast for

3 Miles S Imogene IA

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 2am.  Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 67. Light and variable wind.  Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 82. Northeast wind around 6 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    T-storms and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and midnight.  Partly cloudy, with a low around 64. East wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly clear, with a low around 66. South wind 3 to 5 mph.

    Low: 66 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Sunny, with a high near 87. Calm wind becoming west around 6 mph in the morning.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Mostly clear, with a low around 67. North wind around 5 mph becoming calm  in the evening.

    Low: 67 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 85. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65. East wind around 7 mph.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 2am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 67. Light and variable wind. Chance of precipitation is 20%.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 82. Northeast wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and midnight. Partly cloudy, with a low around 64. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 66. South wind 3 to 5 mph.
Friday
Sunny, with a high near 87. Calm wind becoming west around 6 mph in the morning.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 67. North wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 85. Calm wind becoming north northeast around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 65. East wind around 7 mph.
Sunday
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 83. Southeast wind 7 to 13 mph.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. East southeast wind around 11 mph, with gusts as high as 16 mph.
Monday
Mostly sunny, with a high near 85. East southeast wind around 9 mph.
Monday Night
Partly cloudy, with a low around 67. Northeast wind 5 to 7 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 86. Calm wind becoming north around 6 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Imogene IA
 40.82°N 95.41°W (Elev. 1099 ft)
8:11 pm CDT Aug 18, 2026
9pm CDT Aug 18, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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