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.

Mostly Cloudy

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 29.77 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 17 Jun 2:55 am CDT
Extended Forecast for

4 Miles NE Castalia IA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 68. Southwest wind around 6 mph.

    Low: 68 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 79. West wind around 6 mph. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5am. Low around 62. Northwest wind around 5 mph becoming calm. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Chance
    T-storms then
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 76. Northeast wind 5 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 76 °F

    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. North wind 5 to 7 mph becoming light and variable.

    Low: 58 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 83. West wind 5 to 9 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 64. Southwest wind around 6 mph.

    Low: 64 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 86. South wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 86 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. South wind around 14 mph, with gusts as high as 23 mph.

    Low: 72 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 68. Southwest wind around 6 mph.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 79. West wind around 6 mph. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5am. Low around 62. Northwest wind around 5 mph becoming calm. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and possibly a thunderstorm. High near 76. Northeast wind 5 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Partly cloudy, with a low around 58. North wind 5 to 7 mph becoming light and variable.
Juneteenth
Sunny, with a high near 83. West wind 5 to 9 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 64. Southwest wind around 6 mph.
Friday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 86. South wind 7 to 14 mph, with gusts as high as 23 mph.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. South wind around 14 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 91. Southwest wind 13 to 15 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 74. South wind 11 to 14 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 91. Breezy, with a south wind 14 to 18 mph, with gusts as high as 28 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 73. South wind around 14 mph, with gusts as high as 24 mph.
Monday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 87. Southwest wind 11 to 14 mph, with gusts as high as 22 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Castalia IA
 43.17°N 91.62°W
Last Update:
2:13 am CDT Jun 17, 2025
Forecast Valid:
3am CDT Jun 17, 2025-6pm CDT Jun 23, 2025
 
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Additional Resources

Radar & Satellite Image

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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