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

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Fog/Mist

66°F

19°C

Humidity 100%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 66°F (19°C)
Visibility 6.00 mi
Last update 5 Jul 5:15 am CDT
Extended Forecast for

Postville IA

  • Today

    Today: Patchy fog before 7am. Otherwise, partly sunny, with a high near 81. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 61. Light east wind.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82. Light east wind.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. Light southwest wind.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 64. Calm wind becoming south around 5 mph after midnight.

    Low: 64 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. South wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.

    High: 84 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. West wind 6 to 8 mph. Chance of precipitation is 70%.

    Low: 65 °F

    Showers
    Likely

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 80. North wind around 8 mph.

    High: 80 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Patchy fog before 7am. Otherwise, partly sunny, with a high near 81. Calm wind becoming northeast around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 61. Light east wind.
Monday
Sunny, with a high near 82. Light east wind.
Monday Night
Mostly clear, with a low around 61. Calm wind.
Tuesday
Mostly sunny, with a high near 84. Light southwest wind.
Tuesday Night
Mostly cloudy, with a low around 64. Calm wind becoming south around 5 mph after midnight.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. South wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. West wind 6 to 8 mph. Chance of precipitation is 70%.
Thursday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 80. North wind around 8 mph.
Thursday Night
Partly cloudy, with a low around 61. North wind around 6 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 81. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 61. Light and variable wind.
Saturday
Mostly sunny, with a high near 82. North wind 3 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Postville IA
 43.08°N 91.56°W
Last Update:
5:26 am CDT Jul 5, 2026
Forecast Valid:
5am CDT Jul 5, 2026-6pm CDT Jul 11, 2026
 
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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