National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Fair

86°F

30°C

Humidity 59%
Wind Speed Calm
Barometer 29.92 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 1 Sep 5:15 pm CDT
Extended Forecast for

Elgin IA

  • Tonight

    Tonight: Increasing clouds, with a low around 70. Calm wind.

    Low: 70 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 96. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 90 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly between 2am and 4am. Partly cloudy, with a low around 70. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Mostly Clear
    then Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88. Heat index values as high as 95. Calm wind becoming south around 6 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. Light south wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Mostly Clear
    then Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 88. Calm wind becoming south around 5 mph. Chance of precipitation is 30%.

    High: 88 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 87. Light southeast wind.

    High: 87 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear
    then Chance
    T-storms

Detailed Forecast

Tonight
Increasing clouds, with a low around 70. Calm wind.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 96. Calm wind becoming southwest 5 to 8 mph in the morning.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly between 2am and 4am. Partly cloudy, with a low around 70. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 50 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88. Heat index values as high as 95. Calm wind becoming south around 6 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. Light south wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 88. Calm wind becoming south around 5 mph. Chance of precipitation is 30%.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. Calm wind.
Saturday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 87. Light southeast wind.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Calm wind.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Calm wind becoming south around 5 mph. Chance of precipitation is 40%.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 64. Light east wind.
Labor Day
A 20 percent chance of showers. Partly sunny, with a high near 80. East wind 3 to 6 mph.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. East wind around 7 mph.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 79. South wind 8 to 10 mph, with gusts as high as 18 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Elgin IA
 42.97°N 91.62°W
Last Update:
4:41 pm CDT Sep 1, 2026
Forecast Valid:
5pm CDT Sep 1, 2026-6pm CDT Sep 8, 2026
 
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