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

Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Hazardous Weather Conditions

Current conditions at

Centerville Municipal Airport (KTVK)

Lat: 40.68°NLon: 92.9°WElev: 1030ft.

Fair with Haze

73°F

23°C

Humidity 89%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 70°F (21°C)
Visibility 6.00 mi
Last update 18 Aug 11:35 am CDT
Extended Forecast for

Plano IA

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 80. West southwest wind 7 to 9 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms. Patchy fog after 5am. Otherwise, increasing clouds, with a low around 67. Calm wind. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly between 1pm and 4pm. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.

    High: 80 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 81. Calm wind.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 66.

    Low: 66 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 80. West southwest wind 7 to 9 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms. Patchy fog after 5am. Otherwise, increasing clouds, with a low around 67. Calm wind. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of showers, mainly between 1pm and 4pm. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 63. Calm wind.
Thursday
Sunny, with a high near 81. Calm wind.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 83.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 66.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 64.
Monday
Partly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Plano IA
 40.75°N 93.06°W
Last Update:
12:02 pm CDT Aug 18, 2026
Forecast Valid:
12pm CDT Aug 18, 2026-6pm CDT Aug 24, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation