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.

Fog/Mist

50°F

10°C

Humidity 100%
Wind Speed SE 14 mph
Barometer 29.81 in
Dewpoint 50°F (10°C)
Visibility 6.00 mi
Wind Chill45°F (7°C)
Last update 6 Mar 2:15 am CST
Extended Forecast for

Johnston IA

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Low around 47. Southeast wind around 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Showers

  • Friday

    Friday: Showers and thunderstorms, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. High near 68. South wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms, mainly before 1am. Low around 36. Breezy, with a south wind 11 to 17 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Showers and
    Breezy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 50. Breezy, with a west northwest wind 9 to 16 mph, with gusts as high as 23 mph.

    High: 50 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64. Breezy.

    High: 64 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Low around 47. Southeast wind around 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers and thunderstorms, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. High near 68. South wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms, mainly before 1am. Low around 36. Breezy, with a south wind 11 to 17 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 50. Breezy, with a west northwest wind 9 to 16 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 37. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 64. Breezy.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 40.
Tuesday
A 40 percent chance of rain after noon. Mostly sunny, with a high near 63. Breezy.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 54. Breezy.
Wednesday Night
Mostly clear, with a low around 30.
Thursday
Mostly sunny, with a high near 57. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Johnston IA
 41.69°N 93.71°W
Last Update:
2:12 am CST Mar 6, 2026
Forecast Valid:
2am CST Mar 6, 2026-6pm CDT Mar 12, 2026
 
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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