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.

Fair and Breezy

43°F

6°C

Humidity 49%
Wind Speed NW 21 G 29 mph
Barometer 30.19 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 11 Mar 3:55 pm CDT
Extended Forecast for

Johnston IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 42. Windy, with a northwest wind around 21 mph, with gusts as high as 29 mph.

    High: 42 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Mostly clear, with a low around 28. West wind 5 to 10 mph.

    Low: 28 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 59. Windy, with a south southwest wind 6 to 11 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 59 °F

    Mostly Sunny
    then Mostly
    Cloudy and
    Windy

  • Thursday Night

    Thursday Night: A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 35. Windy, with a south southwest wind 22 to 24 mph becoming west northwest after midnight. Winds could gust as high as 41 mph.

    Low: 35 °F

    Chance Rain
    and Windy

  • Friday

    Friday: Partly sunny, with a high near 47. Windy, with a northwest wind 14 to 23 mph, with gusts as high as 38 mph.

    High: 47 °F

    Partly Sunny
    and Windy

  • Friday Night

    Friday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow before 1pm. Cloudy, with a high near 48.

    High: 48 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: A chance of rain and snow before 1am, then rain likely. Some thunder is also possible. Cloudy, with a low around 33. Chance of precipitation is 70%.

    Low: 33 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Rain and snow. High near 41. Windy. Chance of precipitation is 80%.

    High: 41 °F

    Rain/Snow and
    Windy

Detailed Forecast

This Afternoon
Sunny, with a high near 42. Windy, with a northwest wind around 21 mph, with gusts as high as 29 mph.
Tonight
Mostly clear, with a low around 28. West wind 5 to 10 mph.
Thursday
Increasing clouds, with a high near 59. Windy, with a south southwest wind 6 to 11 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 40 mph.
Thursday Night
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 35. Windy, with a south southwest wind 22 to 24 mph becoming west northwest after midnight. Winds could gust as high as 41 mph.
Friday
Partly sunny, with a high near 47. Windy, with a northwest wind 14 to 23 mph, with gusts as high as 38 mph.
Friday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 31.
Saturday
A 20 percent chance of snow before 1pm. Cloudy, with a high near 48.
Saturday Night
A chance of rain and snow before 1am, then rain likely. Some thunder is also possible. Cloudy, with a low around 33. Chance of precipitation is 70%.
Sunday
Rain and snow. High near 41. Windy. Chance of precipitation is 80%.
Sunday Night
Mostly cloudy, with a low around 10. Windy.
Monday
Sunny, with a high near 25. Blustery.
Monday Night
Mostly clear, with a low around 11.
Tuesday
Mostly cloudy, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Johnston IA
 41.69°N 93.71°W
Last Update:
3:07 pm CDT Mar 11, 2026
Forecast Valid:
4pm CDT Mar 11, 2026-6pm CDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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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