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.

Overcast

59°F

15°C

Humidity 88%
Wind Speed SE 3 mph
Barometer 30.08 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 27 Sep 2:55 am CDT
Extended Forecast for

Postville IA

  • Overnight

    Overnight: Showers likely, mainly before 4am. Mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, mainly before noon, then a chance of sprinkles after 4pm. Mostly cloudy, with a high near 66. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 71. Calm wind.

    High: 71 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52. Light and variable wind.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers after 1pm. Mostly cloudy, with a high near 70. Light southeast wind becoming south 5 to 9 mph in the morning. New precipitation amounts between a quarter and half of an inch possible.

    High: 70 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 58. South wind around 7 mph. Chance of precipitation is 80%.

    Low: 58 °F

    Showers

  • Wednesday

    Wednesday: Showers likely. Mostly cloudy, with a high near 68. South wind 3 to 5 mph. Chance of precipitation is 70%.

    High: 68 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 57. Light south wind.

    Low: 57 °F

    Chance
    Showers

Detailed Forecast

Overnight
Showers likely, mainly before 4am. Mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of showers, mainly before noon, then a chance of sprinkles after 4pm. Mostly cloudy, with a high near 66. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Mostly cloudy, with a low around 55. Calm wind.
Monday
Partly sunny, with a high near 71. Calm wind.
Monday Night
Partly cloudy, with a low around 52. Light and variable wind.
Tuesday
A 40 percent chance of showers after 1pm. Mostly cloudy, with a high near 70. Light southeast wind becoming south 5 to 9 mph in the morning. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm. Low around 58. South wind around 7 mph. Chance of precipitation is 80%.
Wednesday
Showers likely. Mostly cloudy, with a high near 68. South wind 3 to 5 mph. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 57. Light south wind.
Thursday
A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 67. Light and variable wind becoming north 5 to 7 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 50. North wind around 6 mph.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 62. Northeast wind around 6 mph.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 48. Calm wind.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 63. Calm wind becoming southeast around 6 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Postville IA
 43.08°N 91.56°W
Last Update:
2:40 am CDT Sep 27, 2026
Forecast Valid:
3am CDT Sep 27, 2026-6pm CDT Oct 3, 2026
 
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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