Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

Current conditions at

Mount Pleasant, Mount Pleasant Municipal Airport (KMPZ)

Lat: 40.95°NLon: 91.51°WElev: 735ft.

Fair

72°F

22°C

Humidity 94%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 29 Jul 12:15 am CDT
Extended Forecast for

4 Miles W Bonaparte IA

  • Overnight

    Overnight: Partly cloudy, with a low around 68. Calm wind becoming east around 5 mph.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 87. Southeast wind around 5 mph.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 65. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 65 °F

    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 87. Southeast wind around 5 mph.

    High: 87 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Showers likely after 1am.  Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Mostly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers, with thunderstorms also possible after 7am.  High near 81. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 81 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

  • Saturday

    Saturday: A 30 percent chance of showers before 1pm.  Partly sunny, with a high near 79.

    High: 79 °F

    Chance
    Showers

  • Saturday Night

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

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 68. Calm wind becoming east around 5 mph.
Wednesday
Sunny, with a high near 87. Southeast wind around 5 mph.
Wednesday Night
Clear, with a low around 65. Southeast wind around 5 mph becoming calm in the evening.
Thursday
Increasing clouds, with a high near 87. Southeast wind around 5 mph.
Thursday Night
Showers likely after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Friday
Showers, with thunderstorms also possible after 7am. High near 81. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Saturday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Bonaparte IA
 40.69°N 91.87°W (Elev. 702 ft)
8:36 pm CDT Jul 28, 2026
12am CDT Jul 29, 2026-6pm CDT Aug 4, 2026
 
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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