Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Increasing Risk for Flash and River Flooding Through the Weekend

A storm system will track across the central U.S. and set the stage for severe thunderstorms and widespread heavy rainfall through the weekend. There will be a threat for flash and river flooding for portions of the Southern Plains into the Upper Midwest. Read More >

Current conditions at

Ankeny, Ankeny Regional Airport (KIKV)

Lat: 41.69°NLon: 93.57°WElev: 902ft.

Light Unknown Precip

37°F

3°C

Humidity 75%
Wind Speed NE 7 mph
Barometer 29.90 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 28 Apr 9:15 am CDT
Extended Forecast for

Johnston IA

  • Today

    Today: Showers.  High near 45. East northeast wind 10 to 13 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Showers

    High: 45 °F

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 7pm.  Cloudy, with a low around 41. Northeast wind 10 to 14 mph, with gusts as high as 20 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Chance
    Showers

    Low: 41 °F

  • Saturday

    Saturday: Showers, mainly after 10am.  High near 45. Breezy, with a northeast wind 13 to 17 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Showers and
    Breezy

    High: 45 °F

  • Saturday
    Night

    Saturday Night: Showers.  Low around 40. Breezy, with a northeast wind 14 to 16 mph, with gusts as high as 28 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Showers and
    Breezy

    Low: 40 °F

  • Sunday

    Sunday: Showers.  High near 48. Breezy, with a northeast wind 14 to 16 mph, with gusts as high as 26 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Showers and
    Breezy

    High: 48 °F

  • Sunday
    Night

    Sunday Night: Rain likely.  Cloudy, with a low around 40. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Rain Likely

    Low: 40 °F

  • Monday

    Monday: Rain likely, mainly before 1pm.  Cloudy, with a high near 47. Breezy.  Chance of precipitation is 60%.

    Rain Likely
    and Breezy

    High: 47 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 39. Breezy.

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

    Low: 39 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62.

    Mostly Sunny

    High: 62 °F

Detailed Forecast

Today
Showers. High near 45. East northeast wind 10 to 13 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
A 30 percent chance of showers, mainly before 7pm. Cloudy, with a low around 41. Northeast wind 10 to 14 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers, mainly after 10am. High near 45. Breezy, with a northeast wind 13 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Showers. Low around 40. Breezy, with a northeast wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers. High near 48. Breezy, with a northeast wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain likely. Cloudy, with a low around 40. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain likely, mainly before 1pm. Cloudy, with a high near 47. Breezy. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 39. Breezy.
Tuesday
Mostly sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 60.
Wednesday Night
Mostly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 61.
Click Map For Forecast
Point Forecast:
Johnston IA
 41.69°N 93.71°W
6:33 am CDT Apr 28, 2017
9am CDT Apr 28, 2017-6pm CDT May 4, 2017
 
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