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

19°F

-7°C

Humidity 79%
Wind Speed S 6 mph
Barometer 29.85 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 5 Dec 7:35 am CST
Extended Forecast for

Johnston IA

Winter Storm Watch December 6, 06:00pm until December 7, 06:00am
Click here for hazard details and duration
Winter Storm Watch

  • Today

    Today: Mostly sunny, with a high near 34. Southwest wind 7 to 9 mph.

    High: 34 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 18. West northwest wind 5 to 9 mph becoming light northwest after midnight. Winds could gust as high as 18 mph.

    Low: 18 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow after noon. Mostly cloudy, with a high near 27. Light and variable wind becoming east southeast 5 to 10 mph in the morning. Winds could gust as high as 18 mph. New snow accumulation of less than one inch possible.

    High: 27 °F

    Partly Sunny
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Snow, mainly before midnight. The snow could be heavy at times. Low around 13. East southeast wind 8 to 11 mph becoming north northeast after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 13 °F

    Heavy Snow
    then Chance
    Snow

  • Sunday

    Sunday: Partly sunny, with a high near 19. North wind 6 to 10 mph.

    High: 19 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around -4.

    Low: -4 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 34. Southwest wind 7 to 9 mph.
Tonight
Mostly cloudy, with a low around 18. West northwest wind 5 to 9 mph becoming light northwest after midnight. Winds could gust as high as 18 mph.
Saturday
A 40 percent chance of snow after noon. Mostly cloudy, with a high near 27. Light and variable wind becoming east southeast 5 to 10 mph in the morning. Winds could gust as high as 18 mph. New snow accumulation of less than one inch possible.
Saturday Night
Snow, mainly before midnight. The snow could be heavy at times. Low around 13. East southeast wind 8 to 11 mph becoming north northeast after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Sunday
Partly sunny, with a high near 19. North wind 6 to 10 mph.
Sunday Night
Mostly cloudy, with a low around -4.
Monday
Partly sunny, with a high near 28.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Partly sunny, with a high near 38.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
Mostly cloudy, with a high near 32.
Wednesday Night
Mostly cloudy, with a low around 9.
Thursday
Partly sunny, with a high near 24.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Johnston IA
 41.67°N 93.69°W
Last Update:
5:42 am CST Dec 5, 2025
Forecast Valid:
7am CST Dec 5, 2025-6pm CST Dec 11, 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