Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Estherville, Estherville Municipal Airport (KEST)

Lat: 43.4°NLon: 94.75°WElev: 1316ft.

Fair

82°F

28°C

Humidity 72%
Wind Speed SE 16 mph
Barometer 29.97 in (1014.0 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 17 Aug 1:52 pm CDT
Extended Forecast for

Armstrong IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 87. South wind around 13 mph, with gusts as high as 20 mph.

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after midnight.  Increasing clouds, with a low around 71. South southeast wind 7 to 10 mph.  New rainfall amounts between a quarter and half of an inch possible.

    Low: 71 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly before 11am.  Partly sunny, with a high near 87. South wind 9 to 11 mph becoming west in the afternoon. Winds could gust as high as 18 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 65. North wind around 6 mph.

    Low: 65 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. North wind 6 to 9 mph.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 87. South wind around 13 mph, with gusts as high as 20 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after midnight. Increasing clouds, with a low around 71. South southeast wind 7 to 10 mph. New rainfall amounts between a quarter and half of an inch possible.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 11am. Partly sunny, with a high near 87. South wind 9 to 11 mph becoming west in the afternoon. Winds could gust as high as 18 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65. North wind around 6 mph.
Tuesday
Mostly sunny, with a high near 81. North wind 6 to 9 mph.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 60.
Friday
Mostly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Armstrong IA
 43.39°N 94.49°W
12:23 pm CDT Aug 17, 2025
2pm CDT Aug 17, 2025-6pm CDT Aug 23, 2025
 
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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