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.

Overcast

72°F

22°C

Humidity 88%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 11 Aug 9:15 pm CDT
Extended Forecast for

Postville IA

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 65. Calm wind becoming southwest around 5 mph after midnight.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers before 8am, then a chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 81. Southwest wind 5 to 9 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. Northwest wind 3 to 6 mph.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. Northwest wind 3 to 5 mph.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. Light southeast wind becoming south 5 to 10 mph in the morning.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. South wind around 7 mph.

    Low: 65 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 86. South wind 6 to 10 mph.

    High: 86 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 70. South wind around 7 mph.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 65. Calm wind becoming southwest around 5 mph after midnight.
Tuesday
A slight chance of showers before 8am, then a chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 81. Southwest wind 5 to 9 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Mostly clear, with a low around 56. Northwest wind 3 to 6 mph.
Wednesday
Sunny, with a high near 78. Northwest wind 3 to 5 mph.
Wednesday Night
Mostly clear, with a low around 58. Calm wind.
Thursday
Sunny, with a high near 79. Light southeast wind becoming south 5 to 10 mph in the morning.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. South wind around 7 mph.
Friday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 86. South wind 6 to 10 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 70. South wind around 7 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 87. South wind 6 to 8 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South wind around 6 mph.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. Southeast wind 6 to 8 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. East wind around 6 mph.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 78. Southeast wind around 7 mph.
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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:
8:29 pm CDT Aug 11, 2025
Forecast Valid:
9pm CDT Aug 11, 2025-6pm CDT Aug 18, 2025
 
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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