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.

Fair

N/A

Humidity NA
Wind Speed S 5 mph
Barometer 29.98 in
Dewpoint N/A
Visibility 10.00 mi
Last update 3 Aug 6:55 am CDT
Extended Forecast for

Postville IA

  • Today

    Today: Sunny, with a high near 81. Calm wind becoming south 5 to 8 mph in the morning.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 63. South wind 6 to 8 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 79. South wind 5 to 8 mph becoming west in the afternoon. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 4am, then a chance of showers. Mostly cloudy, with a low around 59. Light north wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 75. Calm wind.

    High: 75 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 79. Calm wind.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81. Calm wind becoming south around 6 mph in the afternoon.

    High: 81 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 81. Calm wind becoming south 5 to 8 mph in the morning.
Tonight
Mostly clear, with a low around 63. South wind 6 to 8 mph.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 79. South wind 5 to 8 mph becoming west in the afternoon. Chance of precipitation is 30%.
Tuesday Night
Showers and thunderstorms likely before 4am, then a chance of showers. Mostly cloudy, with a low around 59. Light north wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 75. Calm wind.
Wednesday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 55. Calm wind.
Thursday
Sunny, with a high near 79. Calm wind.
Thursday Night
Mostly clear, with a low around 59. Calm wind.
Friday
Sunny, with a high near 81. Calm wind becoming south around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 62. South wind 3 to 5 mph.
Saturday
Sunny, with a high near 81. South wind 5 to 7 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 66. South wind 5 to 7 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. Southwest wind around 9 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Postville IA
 43.08°N 91.56°W
Last Update:
5:56 am CDT Aug 3, 2026
Forecast Valid:
7am CDT Aug 3, 2026-6pm CDT Aug 9, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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