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

Ankeny Regional Airport (KIKV)

Lat: 41.69°NLon: 93.57°WElev: 886ft.

A Few Clouds

34°F

1°C

Humidity 93%
Wind Speed Calm
Barometer 29.68 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 24 Feb 10:35 pm CST
Extended Forecast for

Johnston IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 20. Northwest wind around 5 mph becoming calm after midnight.

    Low: 20 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow after 3pm. Partly sunny, with a high near 32. Calm wind becoming north around 5 mph.

    High: 32 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 24. Light and variable wind. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Chance Snow
    then Slight
    Chance Snow

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 42. Light and variable wind becoming southwest 5 to 8 mph in the morning.

    High: 42 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28. Southwest wind 5 to 7 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of snow before noon. Mostly sunny, with a high near 37.

    High: 37 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 20. Northwest wind around 5 mph becoming calm after midnight.
Wednesday
A 20 percent chance of snow after 3pm. Partly sunny, with a high near 32. Calm wind becoming north around 5 mph.
Wednesday Night
A 50 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 24. Light and variable wind. New snow accumulation of less than one inch possible.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 42. Light and variable wind becoming southwest 5 to 8 mph in the morning.
Thursday Night
Mostly clear, with a low around 28. Southwest wind 5 to 7 mph.
Friday
Sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 28.
Saturday
A 20 percent chance of snow before noon. Mostly sunny, with a high near 37.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
A 40 percent chance of snow. Mostly cloudy, with a high near 29.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 19.
Monday
Mostly cloudy, with a high near 35.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 25.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 44. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Johnston IA
 41.67°N 93.69°W
Last Update:
10:48 pm CST Feb 24, 2026
Forecast Valid:
10pm CST Feb 24, 2026-6pm CST Mar 3, 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