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

Hazardous Weather Conditions

Current conditions at

Ankeny Regional Airport (KIKV)

Lat: 41.69°NLon: 93.57°WElev: 886ft.

Fair

59°F

15°C

Humidity 100%
Wind Speed Calm
Barometer 30.15 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 29 Aug 7:55 am CDT
Extended Forecast for

Johnston IA

  • Today

    Today: Mostly sunny, with a high near 83. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 60. East southeast wind 3 to 5 mph.

    Low: 60 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 82. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 82 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 63. East wind 3 to 6 mph.

    Low: 63 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 74. East southeast wind 3 to 7 mph. Chance of precipitation is 30%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 74 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 60. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Labor Day

    Labor Day: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 72.

    High: 72 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 83. Calm wind becoming south southwest around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 60. East southeast wind 3 to 5 mph.
Saturday
Partly sunny, with a high near 82. Calm wind becoming southeast around 6 mph in the afternoon.
Saturday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 63. East wind 3 to 6 mph.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 74. East southeast wind 3 to 7 mph. Chance of precipitation is 30%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 60. New rainfall amounts between a quarter and half of an inch possible.
Labor Day
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 72.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 57.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Johnston IA
 41.69°N 93.71°W
Last Update:
6:19 am CDT Aug 29, 2025
Forecast Valid:
8am CDT Aug 29, 2025-6pm CDT Sep 4, 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