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

55°F

13°C

Humidity 100%
Wind Speed SE 5 mph
Barometer 29.98 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 29 Sep 4:55 am CDT
Extended Forecast for

Postville IA

  • Today

    Today: A 10 percent chance of showers after 5pm. Mostly cloudy, with a high near 69. Light south wind increasing to 5 to 9 mph in the morning.

    High: 69 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers after 1am. Low around 61. South wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers

  • Wednesday

    Wednesday: Showers. High near 69. South wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 69 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers after 4am. Low around 59. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 59 °F

    Showers

  • Thursday

    Thursday: A 50 percent chance of showers. Cloudy, with a high near 66. Calm wind becoming north 5 to 7 mph in the morning. New precipitation amounts between a half and three quarters of an inch possible.

    High: 66 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 49. North wind around 7 mph.

    Low: 49 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 63. Northeast wind around 6 mph.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 63. Calm wind becoming southeast around 5 mph.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

Today
A 10 percent chance of showers after 5pm. Mostly cloudy, with a high near 69. Light south wind increasing to 5 to 9 mph in the morning.
Tonight
Showers and thunderstorms likely, then showers after 1am. Low around 61. South wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers. High near 69. South wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers after 4am. Low around 59. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Thursday
A 50 percent chance of showers. Cloudy, with a high near 66. Calm wind becoming north 5 to 7 mph in the morning. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 49. North wind around 7 mph.
Friday
Mostly sunny, with a high near 63. Northeast wind around 6 mph.
Friday Night
Mostly clear, with a low around 44. Calm wind.
Saturday
Mostly sunny, with a high near 63. Calm wind becoming southeast around 5 mph.
Saturday Night
Partly cloudy, with a low around 48. Calm wind.
Sunday
Sunny, with a high near 63. Northwest wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 42. Calm wind.
Monday
Sunny, with a high near 61. Light and variable wind.
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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:
4:11 am CDT Sep 29, 2026
Forecast Valid:
5am CDT Sep 29, 2026-6pm CDT Oct 5, 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