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

73°F

23°C

Humidity 74%
Wind Speed S 13 G 24 mph
Barometer 29.53 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 23 Apr 6:35 pm CDT
Extended Forecast for

Postville IA

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then a chance of showers between 3am and 4am. Low around 48. South wind 9 to 14 mph becoming northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 48 °F

    T-storms

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 62. Northwest wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 62 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. North wind 5 to 8 mph.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 65. North wind around 7 mph becoming east in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 45. East wind around 6 mph.

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 68. East wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 68 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 50. Breezy, with an east wind 14 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    Low: 50 °F

    Breezy.
    Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 64. Breezy, with a southeast wind 17 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

    High: 64 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 44. Breezy, with a south wind 17 to 22 mph becoming west after midnight. Winds could gust as high as 30 mph.

    Low: 44 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Tonight
Showers and thunderstorms before 3am, then a chance of showers between 3am and 4am. Low around 48. South wind 9 to 14 mph becoming northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 62. Northwest wind 11 to 14 mph, with gusts as high as 22 mph.
Friday Night
Mostly clear, with a low around 40. North wind 5 to 8 mph.
Saturday
Mostly sunny, with a high near 65. North wind around 7 mph becoming east in the afternoon.
Saturday Night
Mostly cloudy, with a low around 45. East wind around 6 mph.
Sunday
Partly sunny, with a high near 68. East wind 7 to 13 mph, with gusts as high as 21 mph.
Sunday Night
A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 50. Breezy, with an east wind 14 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Monday
Showers and possibly a thunderstorm. High near 64. Breezy, with a southeast wind 17 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Monday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 44. Breezy, with a south wind 17 to 22 mph becoming west after midnight. Winds could gust as high as 30 mph.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 57. Breezy, with a west wind 16 to 20 mph, with gusts as high as 28 mph.
Tuesday Night
Partly cloudy, with a low around 39. West wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 56. West wind 6 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 38. Northwest wind 6 to 8 mph.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 56. Northwest wind 6 to 13 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Postville IA
 43.08°N 91.56°W
Last Update:
6:02 pm CDT Apr 23, 2026
Forecast Valid:
6pm CDT Apr 23, 2026-6pm CDT Apr 30, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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