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Severe Thunderstorms and Heavy Rain in the Central US

Isolated to scattered strong to severe thunderstorms may produce damaging winds and hail in the upper Great Lakes into the central High Plains. Heavy rain may create localized areas of flash flooding over parts of the Central Plains and Middle Mississippi Valley. Showers and strong to severe thunderstorms are possible over parts of the Mid-Atlantic. Read More >

Hazardous Weather Conditions

Current conditions at

Atlantic (KAIO)

Lat: 41.4°NLon: 95.05°WElev: 1181ft.

Fair

81°F

27°C

Humidity 79%
Wind Speed NW 6 mph
Barometer 29.90 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 29 Jun 7:35 pm CDT
Extended Forecast for

Walnut IA

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 66. North wind 5 to 7 mph becoming south after midnight. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 81. North wind 6 to 13 mph, with gusts as high as 18 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Clear, with a low around 59. North northwest wind 5 to 10 mph becoming light northwest after midnight. Winds could gust as high as 17 mph.

    Low: 59 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85. West northwest wind 3 to 7 mph.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. Light and variable wind.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 16 mph.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65. South wind 6 to 9 mph.

    Low: 65 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 88. South wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 70. South southeast wind around 10 mph, with gusts as high as 17 mph.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 66. North wind 5 to 7 mph becoming south after midnight. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A 40 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 81. North wind 6 to 13 mph, with gusts as high as 18 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Clear, with a low around 59. North northwest wind 5 to 10 mph becoming light northwest after midnight. Winds could gust as high as 17 mph.
Tuesday
Sunny, with a high near 85. West northwest wind 3 to 7 mph.
Tuesday Night
Mostly clear, with a low around 62. Light and variable wind.
Wednesday
Mostly sunny, with a high near 87. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 16 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65. South wind 6 to 9 mph.
Thursday
Mostly sunny, with a high near 88. South wind 6 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 70. South southeast wind around 10 mph, with gusts as high as 17 mph.
Independence Day
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. South wind 10 to 17 mph, with gusts as high as 24 mph.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. South wind 10 to 14 mph, with gusts as high as 21 mph.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. South southwest wind 10 to 13 mph, with gusts as high as 18 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South southwest wind 6 to 9 mph becoming east after midnight.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. North northwest wind 6 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Walnut IA
 41.48°N 95.2°W (Elev. 1299 ft)
Last Update:
7:35 pm CDT Jun 29, 2025
Forecast Valid:
7pm CDT Jun 29, 2025-6pm CDT Jul 6, 2025
 
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