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

39°F

4°C

Humidity 70%
Wind Speed S 5 mph
Barometer 29.68 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 8 Jan 12:55 am CST
Extended Forecast for

Johnston IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 36. Southeast wind around 6 mph.

    Low: 36 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain, mainly after noon. High near 46. Light and variable wind becoming north 6 to 11 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 46 °F

    Chance Rain
    then Rain

  • Thursday Night

    Thursday Night: Rain before 4am, then a chance of rain and snow between 4am and 5am, then a chance of rain after 5am. Low around 32. North northwest wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 32 °F

    Rain then
    Chance
    Rain/Snow

  • Friday

    Friday: A slight chance of rain and snow before noon, then a slight chance of rain. Partly sunny, with a high near 40. North northwest wind 8 to 10 mph. Chance of precipitation is 20%.

    High: 40 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 28. Northwest wind 6 to 9 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 28 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Saturday

    Saturday: A 20 percent chance of snow. Partly sunny, with a high near 33. Breezy.

    High: 33 °F

    Slight Chance
    Snow and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 31.

    High: 31 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 36. Southeast wind around 6 mph.
Thursday
Rain, mainly after noon. High near 46. Light and variable wind becoming north 6 to 11 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Rain before 4am, then a chance of rain and snow between 4am and 5am, then a chance of rain after 5am. Low around 32. North northwest wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday
A slight chance of rain and snow before noon, then a slight chance of rain. Partly sunny, with a high near 40. North northwest wind 8 to 10 mph. Chance of precipitation is 20%.
Friday Night
A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 28. Northwest wind 6 to 9 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 33. Breezy.
Saturday Night
Mostly cloudy, with a low around 17.
Sunday
Sunny, with a high near 31.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 46.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Mostly cloudy, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Mostly cloudy, with a high near 37.
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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:
10:42 pm CST Jan 7, 2026
Forecast Valid:
1am CST Jan 8, 2026-6pm CST Jan 14, 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