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Heat in the Central U.S.; Heavy Rain Possible for South Texas; Monitoring Erin Tropical Impacts

Hot temperatures are forecast over the Plains and into the lower Mississippi River Valley Friday where Heat Advisories have been issued. Heavy rain from a disturbance in the western Gulf could bring flooding to south Texas. Erin could bring tropical storm conditions and heavy rain to Puerto Rico and the USVI this weekend with dangerous surf and rip currents impacting the western Atlantic Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Boone Municipal (KBNW)

Lat: 42.05°NLon: 93.85°WElev: 1161ft.

Fair

75°F

24°C

Humidity 100%
Wind Speed SE 10 G 16 mph
Barometer 29.95 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Last update 14 Aug 7:55 pm CDT
Extended Forecast for

Luther IA

  • Tonight

    Tonight: Mostly clear, with a low around 67. South southeast wind around 10 mph.

    Low: 67 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers and thunderstorms between 11am and 3pm. Partly sunny, with a high near 90. Heat index values as high as 102. South wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 72. South wind around 9 mph.

    Low: 72 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 94. Heat index values as high as 106. South wind 8 to 10 mph.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73. South wind 6 to 9 mph.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 90.

    High: 90 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 67. South southeast wind around 10 mph.
Friday
A slight chance of showers and thunderstorms between 11am and 3pm. Partly sunny, with a high near 90. Heat index values as high as 102. South wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 72. South wind around 9 mph.
Saturday
Sunny, with a high near 94. Heat index values as high as 106. South wind 8 to 10 mph.
Saturday Night
Mostly clear, with a low around 73. South wind 6 to 9 mph.
Sunday
Sunny, with a high near 92.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 90.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Luther IA
 41.98°N 93.83°W
Last Update:
6:52 pm CDT Aug 14, 2025
Forecast Valid:
8pm CDT Aug 14, 2025-6pm CDT Aug 21, 2025
 
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