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.

Mostly Cloudy

86°F

30°C

Humidity 75%
Wind Speed SE 7 mph
Barometer 29.89 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 4 Sep 2:35 pm CDT
Extended Forecast for

Waukon IA

Severe T-storm Warning September 4, 02:56pm until September 4, 03:15pm
Click here for hazard details and duration
Severe T-storm Warning
  •  
    Severe T-storm Warning September 4, 02:56pm until September 4, 03:15pm

    NOW until 3:15pm Fri

    Severe T-storm Warning

  • This Afternoon

    High: 87 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 67. West wind around 6 mph becoming north after midnight.

    Low: 67 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Areas of fog before 9am. Otherwise, partly sunny, with a high near 85. Northeast wind 5 to 8 mph becoming calm in the afternoon.

    High: 85 °F

    Areas Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64. Calm wind becoming east around 5 mph.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 81. East wind 3 to 5 mph.

    High: 81 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 62. Southeast wind 3 to 5 mph.

    Low: 62 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 80. South wind 5 to 8 mph.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Southeast wind 7 to 9 mph, with gusts as high as 21 mph.

    Low: 64 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms before 3pm. Mostly sunny, with a high near 87. Heat index values as high as 95. Southwest wind around 9 mph.
Tonight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 67. West wind around 6 mph becoming north after midnight.
Saturday
Areas of fog before 9am. Otherwise, partly sunny, with a high near 85. Northeast wind 5 to 8 mph becoming calm in the afternoon.
Saturday Night
Partly cloudy, with a low around 64. Calm wind becoming east around 5 mph.
Sunday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 81. East wind 3 to 5 mph.
Sunday Night
Partly cloudy, with a low around 62. Southeast wind 3 to 5 mph.
Labor Day
Mostly sunny, with a high near 80. South wind 5 to 8 mph.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Southeast wind 7 to 9 mph, with gusts as high as 21 mph.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 86. South wind around 10 mph, with gusts as high as 21 mph.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. South wind 6 to 9 mph becoming west after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Wednesday
Mostly sunny, with a high near 84. West wind 5 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60. Northwest wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 78. Northwest wind 3 to 6 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waukon IA
 43.27°N 91.47°W
Last Update:
1:26 pm CDT Sep 4, 2026
Forecast Valid:
2pm CDT Sep 4, 2026-6pm CDT Sep 10, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation