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

59°F

15°C

Humidity 59%
Wind Speed W 12 mph
Barometer 30.02 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 22 Nov 4:15 pm CST
Extended Forecast for

Johnston IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 61. West wind 8 to 10 mph.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 31. West wind 5 to 7 mph becoming calm after midnight.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 58. Calm wind becoming south around 6 mph in the afternoon.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 39. South wind around 6 mph.

    Low: 39 °F

    Increasing
    Clouds

  • Monday

    Monday: Rain likely. Cloudy, with a high near 53. South southeast wind 5 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Rain Likely

  • Monday Night

    Monday Night: A 50 percent chance of rain, mainly before midnight. Cloudy, with a low around 45. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Chance Rain
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 61. West wind 8 to 10 mph.
Tonight
Mostly clear, with a low around 31. West wind 5 to 7 mph becoming calm after midnight.
Sunday
Sunny, with a high near 58. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 39. South wind around 6 mph.
Monday
Rain likely. Cloudy, with a high near 53. South southeast wind 5 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A 50 percent chance of rain, mainly before midnight. Cloudy, with a low around 45. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Mostly sunny, with a high near 37.
Wednesday Night
Mostly clear, with a low around 21.
Thanksgiving Day
Mostly sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Johnston IA
 41.67°N 93.69°W
Last Update:
3:16 pm CST Nov 22, 2025
Forecast Valid:
4pm CST Nov 22, 2025-6pm CST Nov 28, 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