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

Atlantic (KAIO)

Lat: 41.4°NLon: 95.05°WElev: 1181ft.

Fair

73°F

23°C

Humidity 57%
Wind Speed N 7 mph
Barometer 30.11 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 22 Jul 4:15 pm CDT
Extended Forecast for

Griswold IA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Mostly cloudy, with a high near 75. North northwest wind around 7 mph.

    High: 75 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before 9pm. Mostly cloudy, with a low around 60. North wind around 6 mph becoming calm in the evening.

    Low: 60 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 3pm. Partly sunny, with a high near 79. Light southeast wind becoming south southeast 5 to 9 mph in the morning.

    High: 79 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Cloudy, with a low around 61. East southeast wind 5 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm. Mostly cloudy, with a high near 78. South southeast wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 78 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Mostly cloudy, with a high near 75. North northwest wind around 7 mph.
Tonight
A 20 percent chance of showers before 9pm. Mostly cloudy, with a low around 60. North wind around 6 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers after 3pm. Partly sunny, with a high near 79. Light southeast wind becoming south southeast 5 to 9 mph in the morning.
Thursday Night
A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Cloudy, with a low around 61. East southeast wind 5 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm. Mostly cloudy, with a high near 78. South southeast wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Mostly cloudy, with a low around 64.
Saturday
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 70.
Sunday
Sunny, with a high near 95.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 71.
Tuesday
Mostly sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Griswold IA
 41.24°N 95.15°W
Last Update:
2:52 pm CDT Jul 22, 2026
Forecast Valid:
4pm CDT Jul 22, 2026-6pm CDT Jul 28, 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