National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Southwest Monsoon Flooding; Northern Tier Storms and Fire Weather Threats

Monsoon rains up to 2 to 4 inches in some portions of Arizona and into Mexico may produce flash flooding of normally dry washes and potential for burn scar debris flows. A weather system may produce severe storms with damaging winds and large hail in the Upper Midwest. Gusty winds in the North Plains will keep fire weather threats critical. Read More >

Current conditions at

Ankeny Regional Airport (KIKV)

Lat: 41.69°NLon: 93.57°WElev: 886ft.

Fair

90°F

32°C

Humidity 49%
Wind Speed SW 10 G 18 mph
Barometer 29.98 in
Dewpoint 68°F (20°C)
Visibility 9.00 mi
Heat Index94°F (34°C)
Last update 23 Jul 6:35 pm CDT
Extended Forecast for

Johnston IA

  • Tonight

    Tonight: Mostly clear, with a low around 74. South wind 6 to 10 mph.

    Mostly Clear

    Low: 74 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 94. Heat index values as high as 101. South southwest wind 6 to 10 mph becoming west northwest in the afternoon.

    Mostly Sunny

    High: 94 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 67. North northwest wind 3 to 8 mph.

    Mostly Clear

    Low: 67 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 94. Calm wind becoming east southeast around 5 mph.

    Mostly Sunny

    High: 94 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 69. Light south southeast wind.

    Partly Cloudy

    Low: 69 °F

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.

    Slight Chance
    T-storms

    High: 94 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 71.

    Mostly Clear

    Low: 71 °F

  • Tuesday

    Tuesday: Sunny and hot, with a high near 97.

    Hot

    High: 97 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 73.

    Mostly Clear

    Low: 73 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 74. South wind 6 to 10 mph.
Saturday
Mostly sunny, with a high near 94. Heat index values as high as 101. South southwest wind 6 to 10 mph becoming west northwest in the afternoon.
Saturday Night
Mostly clear, with a low around 67. North northwest wind 3 to 8 mph.
Sunday
Mostly sunny, with a high near 94. Calm wind becoming east southeast around 5 mph.
Sunday Night
Partly cloudy, with a low around 69. Light south southeast wind.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 71.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Sunny and hot, with a high near 99.
Wednesday Night
Partly cloudy, with a low around 74.
Thursday
Mostly sunny, with a high near 94.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Friday
Mostly sunny, with a high near 88.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Johnston IA
 41.69°N 93.71°W
Last Update:
5:52 pm CDT Jul 23, 2021
Forecast Valid:
6pm CDT Jul 23, 2021-6pm CDT Jul 30, 2021
 
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