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

Mount Pleasant, Mount Pleasant Municipal Airport (KMPZ)

Lat: 40.95°NLon: 91.51°WElev: 735ft.

Fair

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 68°F (20°C)
Visibility 7.00 mi
Last update 9 Sep 11:50 pm CDT
Extended Forecast for

Bonaparte IA

  • Overnight

    Overnight: A 20 percent chance of showers before 4am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 66. Calm wind becoming southwest around 5 mph.

    Low: 66 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 80. Northeast wind around 5 mph.

    High: 80 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. Northeast wind around 5 mph becoming calm.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83. Calm wind becoming south around 5 mph in the morning.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers after 1am. Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear
    then Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers. Mostly sunny, with a high near 84.

    High: 84 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers before 4am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 66. Calm wind becoming southwest around 5 mph.
Thursday
Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 80. Northeast wind around 5 mph.
Thursday Night
Mostly clear, with a low around 59. Northeast wind around 5 mph becoming calm.
Friday
Sunny, with a high near 83. Calm wind becoming south around 5 mph in the morning.
Friday Night
A 30 percent chance of showers after 1am. Mostly clear, with a low around 64.
Saturday
A 40 percent chance of showers. Mostly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 83.
Sunday Night
Mostly cloudy, with a low around 68.
Monday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 90.
Monday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 63. Chance of precipitation is 70%.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 77.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 61.
Wednesday
A 50 percent chance of showers. Partly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bonaparte IA
 40.71°N 91.79°W (Elev. 653 ft)
Last Update:
6:56 pm CDT Sep 9, 2026
Forecast Valid:
12am CDT Sep 10, 2026-6pm CDT Sep 16, 2026
 
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