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

Mount Pleasant, Mount Pleasant Municipal Airport (KMPZ)

Lat: 40.95°NLon: 91.51°WElev: 735ft.

Fair

79°F

26°C

Humidity 70%
Wind Speed SW 9 mph
Barometer 29.99 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 18 Aug 1:35 pm CDT
Extended Forecast for

Mount Pleasant IA

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Cloudy early, then clearing, with a high near 80. Southwest wind around 5 mph.

    High: 80 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms between 3am and 4am, then a slight chance of showers.  Increasing clouds, with a low around 65. Calm wind.  Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 4pm.  Partly sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 9pm and 10pm.  Mostly cloudy, with a low around 61. Calm wind becoming northeast around 5 mph.  Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 1am.  Mostly clear, with a low around 63.

    Low: 63 °F

    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Cloudy early, then clearing, with a high near 80. Southwest wind around 5 mph.
Tonight
A chance of showers and thunderstorms between 3am and 4am, then a slight chance of showers. Increasing clouds, with a low around 65. Calm wind. Chance of precipitation is 40%.
Wednesday
A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 4pm. Partly sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers between 9pm and 10pm. Mostly cloudy, with a low around 61. Calm wind becoming northeast around 5 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 63.
Friday
Mostly sunny, with a high near 82.
Friday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Mostly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Pleasant IA
 40.97°N 91.55°W (Elev. 725 ft)
1:26 pm CDT Aug 18, 2026
1pm CDT Aug 18, 2026-6pm CDT Aug 24, 2026
 
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Additional Resources

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Hourly Weather Forecast

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