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

72°F

22°C

Humidity 27%
Wind Speed S 14 G 23 mph
Barometer 29.84 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 14 May 6:55 pm CDT
Extended Forecast for

Postville IA

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Increasing clouds, with a low around 54. South wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 84. South wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 4am, then a slight chance of showers. Increasing clouds, with a low around 56. South wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. Calm wind becoming east around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 55. East wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65. Breezy, with a south wind 17 to 20 mph, with gusts as high as 29 mph.

    Low: 65 °F

    Chance
    T-storms and
    Breezy

  • Monday

    Monday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Breezy, with a south wind 18 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 70%.

    High: 85 °F

    Showers
    Likely and
    Breezy

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 59. Breezy, with a southwest wind 20 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.

    Low: 59 °F

    Showers and
    Breezy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Increasing clouds, with a low around 54. South wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 84. South wind 10 to 13 mph, with gusts as high as 23 mph.
Friday Night
Showers and thunderstorms likely before 4am, then a slight chance of showers. Increasing clouds, with a low around 56. South wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. Calm wind becoming east around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 55. East wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65. Breezy, with a south wind 17 to 20 mph, with gusts as high as 29 mph.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Breezy, with a south wind 18 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 70%.
Monday Night
Showers and possibly a thunderstorm. Low around 59. Breezy, with a southwest wind 20 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.
Tuesday
A 40 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 76. Breezy, with a west wind 17 to 20 mph, with gusts as high as 28 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 45. Northwest wind 7 to 15 mph.
Wednesday
Mostly sunny, with a high near 67. Northwest wind 8 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 45. Northeast wind 5 to 8 mph.
Thursday
Mostly sunny, with a high near 69. East wind 7 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Postville IA
 43.08°N 91.56°W
Last Update:
5:36 pm CDT May 14, 2026
Forecast Valid:
7pm CDT May 14, 2026-6pm CDT May 21, 2026
 
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Additional Resources

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