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.

Fog/Mist

N/A

Humidity NA
Wind Speed Calm
Barometer 30.14 in
Dewpoint N/A
Visibility 2.50 mi
Last update 15 Jul 2:55 am CDT
Extended Forecast for

2 Miles NNE Decorah IA

Heat Advisory July 15, 03:13am until July 15, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 15, 03:13am until July 15, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Overnight

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 93. Heat index values as high as 100. Calm wind.

    High: 93 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Patchy smoke after 4am. Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy
    then Patchy
    Smoke

  • Thursday

    Thursday: Patchy smoke before 8am. Mostly sunny, with a high near 91. Heat index values as high as 96. Light and variable wind.

    High: 91 °F

    Patchy Smoke
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 90. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 72. Southwest wind around 6 mph.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89. Northwest wind 6 to 9 mph.

    High: 89 °F

    Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 68. Calm wind.
Wednesday
Mostly sunny, with a high near 93. Heat index values as high as 100. Calm wind.
Wednesday Night
Patchy smoke after 4am. Partly cloudy, with a low around 71. Calm wind.
Thursday
Patchy smoke before 8am. Mostly sunny, with a high near 91. Heat index values as high as 96. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 70. Calm wind.
Friday
Sunny, with a high near 90. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Friday Night
Mostly clear, with a low around 72. Southwest wind around 6 mph.
Saturday
Sunny, with a high near 89. Northwest wind 6 to 9 mph.
Saturday Night
Mostly clear, with a low around 67. North wind 5 to 7 mph becoming calm in the evening.
Sunday
Sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69. Southwest wind around 6 mph.
Monday
Mostly sunny, with a high near 87. Northwest wind 5 to 14 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 66. North wind 7 to 13 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 80. Northwest wind 8 to 11 mph, with gusts as high as 20 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Decorah IA
 43.32°N 91.79°W
Last Update:
3:02 am CDT Jul 15, 2026
Forecast Valid:
3am CDT Jul 15, 2026-6pm CDT Jul 21, 2026
 
Forecast Discussion
 
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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