Showers and Thunderstorms from the Southern Plains into the Ohio Valley; Record Warmth in the Central U.S.

Heavy rain and widely scattered severe storms are expected over portions of the central and southern Plains into the Ohio Valley. Unseasonable warmth will continue for a few more days across the Midwest, Southeast, and Mid-Atlantic where several daily record highs could fall. Read More >

Current conditions at

Ankeny Regional Airport (KIKV)

Lat: 41.69°NLon: 93.57°WElev: 886ft.

Overcast

57°F

14°C

Humidity 88%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 54°F (12°C)
Visibility 9.00 mi
Last update 15 Oct 2:55 am CDT
Extended Forecast for

Johnston IA

  • Overnight

    Overnight: Showers likely, mainly after 5am.  Cloudy, with a low around 55. Northeast wind 3 to 5 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm.  High near 61. Light and variable wind becoming northwest 10 to 15 mph in the morning. Winds could gust as high as 26 mph.  Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 61 °F

    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly before 8pm.  Cloudy, then gradually becoming partly cloudy, with a low around 44. Breezy, with a northwest wind 13 to 17 mph, with gusts as high as 28 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Breezy.
    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 52. Windy, with a north northwest wind 18 to 23 mph, with gusts as high as 37 mph.

    High: 52 °F

    Mostly Cloudy
    and Windy

  • Friday Night

    Friday Night: Patchy frost after 3am.  Otherwise, partly cloudy, with a low around 32. North wind 5 to 10 mph becoming light west northwest  after midnight. Winds could gust as high as 18 mph.

    Low: 32 °F

    Partly Cloudy
    then Patchy
    Frost

  • Saturday

    Saturday: Widespread frost, mainly before 7am.  Otherwise, sunny, with a high near 59.

    High: 59 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers likely, mainly after 5am. Cloudy, with a low around 55. Northeast wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers and possibly a thunderstorm. High near 61. Light and variable wind becoming northwest 10 to 15 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Thursday Night
A 30 percent chance of showers, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 44. Breezy, with a northwest wind 13 to 17 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly cloudy, with a high near 52. Windy, with a north northwest wind 18 to 23 mph, with gusts as high as 37 mph.
Friday Night
Patchy frost after 3am. Otherwise, partly cloudy, with a low around 32. North wind 5 to 10 mph becoming light west northwest after midnight. Winds could gust as high as 18 mph.
Saturday
Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 59.
Saturday Night
Clear, with a low around 41.
Sunday
Sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 73.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Johnston IA
 41.67°N 93.71°W
1:51 am CDT Oct 15, 2026
3am CDT Oct 15, 2026-6pm CDT Oct 21, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database