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Hazardous Weather Conditions

Current conditions at

Boone Municipal (KBNW)

Lat: 42.05°NLon: 93.85°WElev: 1161ft.

A Few Clouds

91°F

33°C

Humidity 63%
Wind Speed Vrbl 6 G 13 mph
Barometer 29.87 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 4 Sep 3:35 pm CDT
Extended Forecast for

Boone IA

Heat Advisory September 4, 03:58pm until September 5, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 4, 03:58pm until September 5, 07:00pm

    NOW until 7:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 93 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 69. Light south wind.

    Low: 69 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92. Heat index values as high as 102. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 69. East southeast wind 5 to 7 mph.

    Low: 69 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly after 7am. Partly sunny, with a high near 86. East southeast wind around 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 66. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms

  • Labor Day

    Labor Day: A slight chance of thunderstorms before 7am. Mostly sunny, with a high near 85. Chance of precipitation is 10%.

    High: 85 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 93. Heat index values as high as 103. South southwest wind around 8 mph.
Tonight
Mostly clear, with a low around 69. Light south wind.
Saturday
Sunny, with a high near 92. Heat index values as high as 102. Calm wind becoming east southeast around 5 mph in the afternoon.
Saturday Night
Increasing clouds, with a low around 69. East southeast wind 5 to 7 mph.
Sunday
A 50 percent chance of showers and thunderstorms, mainly after 7am. Partly sunny, with a high near 86. East southeast wind around 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 66. Chance of precipitation is 20%.
Labor Day
A slight chance of thunderstorms before 7am. Mostly sunny, with a high near 85. Chance of precipitation is 10%.
Monday Night
Partly cloudy, with a low around 69.
Tuesday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 92.
Tuesday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 68. Chance of precipitation is 60%.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Boone IA
 42.07°N 93.89°W
Last Update:
1:46 pm CDT Sep 4, 2026
Forecast Valid:
3pm CDT Sep 4, 2026-6pm CDT Sep 10, 2026
 
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Additional Resources

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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