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.

Overcast

27°F

-3°C

Humidity 69%
Wind Speed Vrbl 5 mph
Barometer 30.44 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 28 Nov 11:35 am CST
Extended Forecast for

Johnston IA

Winter Storm Warning November 28, 06:00pm until November 30, 06:00am
Click here for hazard details and duration
Winter Storm Warning

  • This Afternoon

    This Afternoon: Snow likely, mainly after 5pm. Cloudy, with a high near 31. Southeast wind 3 to 7 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: 31 °F

    Snow Likely

  • Tonight

    Tonight: Snow. Steady temperature around 27. East southeast wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 27 °F

    Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. High near 32. East southeast wind 10 to 13 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 32 °F

    Heavy Snow

  • Saturday Night

    Saturday Night: Snow likely before midnight. Cloudy, with a low around 14. Wind chill values as low as 5. Northwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 14 °F

    Snow Likely
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 19. Northwest wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 19 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 3.

    Low: 3 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 18.

    High: 18 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 8.

    Low: 8 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Snow likely, mainly after 5pm. Cloudy, with a high near 31. Southeast wind 3 to 7 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow. Steady temperature around 27. East southeast wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday
Snow. The snow could be heavy at times. High near 32. East southeast wind 10 to 13 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Saturday Night
Snow likely before midnight. Cloudy, with a low around 14. Wind chill values as low as 5. Northwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Sunday
Mostly sunny, with a high near 19. Northwest wind 7 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 3.
Monday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 18.
Monday Night
Mostly cloudy, with a low around 8.
Tuesday
Mostly sunny, with a high near 26.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
Mostly cloudy, with a high near 29.
Wednesday Night
Mostly cloudy, with a low around 6.
Thursday
Mostly sunny, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Johnston IA
 41.67°N 93.69°W
Last Update:
6:37 am CST Nov 28, 2025
Forecast Valid:
12pm CST Nov 28, 2025-6pm CST Dec 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