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

Severe Weather and Heavy Rainfall in the Ohio Valley; Heat Continuing in the South and Southeast

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians tonight. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Schenck Field Airport (KICL)

Lat: 40.72°NLon: 95.02°WElev: 978ft.

Fair with Haze

N/A

Humidity NA
Wind Speed Calm
Barometer 29.78 in
Dewpoint N/A
Visibility 6.00 mi
Last update 12 Aug 2:15 am CDT
Extended Forecast for

Yorktown IA

Severe T-storm Watch until August 12, 10:00am
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until August 12, 10:00am

    NOW until 10:00am Wed

    Severe T-storm Watch

  • Overnight

    Low: 77 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 92. Heat index values as high as 105. Northwest wind 5 to 9 mph becoming southeast in the morning. Winds could gust as high as 20 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 73. East wind 3 to 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Partly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 90. East northeast wind 6 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 71. East northeast wind 10 to 16 mph, with gusts as high as 23 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Chance
    T-storms

  • Friday

    Friday: Partly sunny, with a high near 91. Southeast wind 8 to 10 mph, with gusts as high as 17 mph.

    High: 91 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 73. East southeast wind 6 to 9 mph becoming south after midnight. Winds could gust as high as 16 mph.

    Low: 73 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 90. Southwest wind 5 to 8 mph.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 77. South wind around 7 mph, with gusts as high as 16 mph.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 92. Heat index values as high as 105. Northwest wind 5 to 9 mph becoming southeast in the morning. Winds could gust as high as 20 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 73. East wind 3 to 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 90. East northeast wind 6 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 50 percent chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 71. East northeast wind 10 to 16 mph, with gusts as high as 23 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Partly sunny, with a high near 91. Southeast wind 8 to 10 mph, with gusts as high as 17 mph.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 73. East southeast wind 6 to 9 mph becoming south after midnight. Winds could gust as high as 16 mph.
Saturday
Mostly sunny, with a high near 90. Southwest wind 5 to 8 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. North wind 3 to 5 mph.
Sunday
A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 84. North wind 5 to 7 mph.
Sunday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 65. North wind 5 to 7 mph becoming calm after midnight.
Monday
Partly sunny, with a high near 81. Light east northeast wind.
Monday Night
Partly cloudy, with a low around 64. Light east northeast wind.
Tuesday
A slight chance of showers. Partly sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Yorktown IA
 40.74°N 95.17°W (Elev. 1152 ft)
Last Update:
2:26 am CDT Aug 12, 2026
Forecast Valid:
2am CDT Aug 12, 2026-6pm CDT Aug 18, 2026
 
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