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

46°F

8°C

Humidity 100%
Wind Speed SW 9 G 15 mph
Barometer 29.60 in
Dewpoint 46°F (8°C)
Visibility 7.00 mi
Wind Chill41°F (5°C)
Last update 4 Nov 7:35 pm CST
Extended Forecast for

Postville IA

  • Tonight

    Tonight: Showers, mainly before 5am. Patchy fog after 10pm. Steady temperature around 47. Southwest wind 8 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Scattered
    Showers and
    Patchy Fog
    then Showers
    and Patchy
    Fog

  • Thursday

    Thursday: Scattered showers between 11am and noon. Patchy fog before 9am. Otherwise, cloudy, with a high near 49. North wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Scattered
    Showers and
    Patchy Fog
    then Cloudy

  • Thursday Night

    Thursday Night: Cloudy during the early evening, then gradual clearing, with a low around 34. North wind 9 to 15 mph, with gusts as high as 23 mph.

    Low: 34 °F

    Gradual
    Clearing

  • Friday

    Friday: Mostly sunny, with a high near 45. North wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 45 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26. Northwest wind 3 to 5 mph.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 50. Calm wind becoming west 5 to 7 mph.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33. Calm wind becoming west around 5 mph.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 56. West wind 3 to 5 mph.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 35. Light west wind.

    Low: 35 °F

    Clear

Detailed Forecast

Tonight
Showers, mainly before 5am. Patchy fog after 10pm. Steady temperature around 47. Southwest wind 8 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Scattered showers between 11am and noon. Patchy fog before 9am. Otherwise, cloudy, with a high near 49. North wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Cloudy during the early evening, then gradual clearing, with a low around 34. North wind 9 to 15 mph, with gusts as high as 23 mph.
Friday
Mostly sunny, with a high near 45. North wind 6 to 11 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 26. Northwest wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 50. Calm wind becoming west 5 to 7 mph.
Saturday Night
Partly cloudy, with a low around 33. Calm wind becoming west around 5 mph.
Sunday
Sunny, with a high near 56. West wind 3 to 5 mph.
Sunday Night
Clear, with a low around 35. Light west wind.
Monday
Sunny, with a high near 61. Light southwest wind increasing to 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 39. West wind around 6 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 58. Calm wind.
Tuesday Night
Partly cloudy, with a low around 38. Calm wind.
Veterans Day
Mostly sunny, with a high near 58. Light and variable wind.
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ABOUT THIS FORECAST

 
Point Forecast:
Postville IA
 43.08°N 91.56°W
Last Update:
6:41 pm CST Nov 4, 2026
Forecast Valid:
7pm CST Nov 4, 2026-6pm CST Nov 11, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation