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

Osceola Municipal Airport (KI75)

Lat: 41.05°NLon: 93.69°WElev: 1109ft.

Fair

73°F

23°C

Humidity 94%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 18 Aug 11:35 pm CDT
Extended Forecast for

4 Miles SSE Woodburn IA

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 3am and 5am.  Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 66. Light and variable wind.

    Low: 66 °F

    Chance
    T-storms and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 81. Calm wind becoming northeast around 6 mph in the morning.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers before 7pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 63. Northeast wind around 5 mph becoming calm  in the evening.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 63 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. Calm wind becoming south around 5 mph in the evening.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of showers, then a chance of showers and thunderstorms after 10pm.  Mostly clear, with a low around 66. Chance of precipitation is 50%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly between 3am and 5am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 66. Light and variable wind.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 81. Calm wind becoming northeast around 6 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 30 percent chance of showers before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 63. Northeast wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Sunny, with a high near 83. Light and variable wind.
Thursday Night
Mostly clear, with a low around 65. Calm wind becoming south around 5 mph in the evening.
Friday
Sunny, with a high near 86.
Friday Night
A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Mostly clear, with a low around 66. Chance of precipitation is 50%.
Saturday
Sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Partly sunny, with a high near 80.
Sunday Night
Mostly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Woodburn IA
 40.95°N 93.55°W
11:06 pm CDT Aug 18, 2026
11pm CDT Aug 18, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

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