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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

Estherville, Estherville Municipal Airport (KEST)

Lat: 43.4°NLon: 94.75°WElev: 1316ft.

Fair

73°F

23°C

Humidity 84%
Wind Speed S 13 mph
Barometer 29.93 in (1012.7 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 14 Aug 9:52 pm CDT
Extended Forecast for

Armstrong IA

  • Tonight

    Tonight: Partly cloudy, with a low around 68. South wind 11 to 14 mph, with gusts as high as 22 mph.

    Low: 68 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms between 10am and 4pm. Partly sunny, with a high near 88. South wind 11 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 72. Southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 92. Heat index values as high as 103. South wind around 11 mph.

    High: 92 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. Southeast wind around 9 mph.

    Low: 71 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 68. South wind 11 to 14 mph, with gusts as high as 22 mph.
Friday
A slight chance of showers and thunderstorms between 10am and 4pm. Partly sunny, with a high near 88. South wind 11 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday Night
A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 72. Southeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 92. Heat index values as high as 103. South wind around 11 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. Southeast wind around 9 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 88.
Monday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Armstrong IA
 43.39°N 94.49°W
Last Update:
10:34 pm CDT Aug 14, 2025
Forecast Valid:
10pm 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