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.

Mostly Cloudy

68°F

20°C

Humidity 100%
Wind Speed N 7 mph
Barometer 30.01 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 5 Jul 1:55 am CDT
Extended Forecast for

Postville IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Cloudy

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 81. Northeast wind 3 to 6 mph.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: 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 40 percent 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.

    High: 84 °F

    Partly Sunny
    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

Detailed Forecast

Overnight
Mostly cloudy, with a low around 63. Calm wind.
Sunday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 81. Northeast wind 3 to 6 mph.
Sunday Night
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 40 percent 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.
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
A 20 percent chance of showers. 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
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Postville IA
 43.08°N 91.56°W
Last Update:
1:26 am CDT Jul 5, 2026
Forecast Valid:
2am CDT Jul 5, 2026-6pm CDT Jul 11, 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