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.

Rain

64°F

18°C

Humidity 100%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 64°F (18°C)
Visibility 3.00 mi
Last update 15 Jun 3:35 am CDT
Extended Forecast for

3 Miles SE Castalia IA

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm before 4am, then scattered showers and thunderstorms after 4am. Cloudy, with a steady temperature around 67. Light southeast wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Showers
    Likely

  • Sunday

    Sunday: Scattered showers and thunderstorms. Cloudy, with a high near 79. South wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 79 °F

    Scattered
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind 3 to 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83. South wind 6 to 9 mph.

    High: 83 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind around 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. Southwest wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then showers and thunderstorms likely between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 64. West wind around 6 mph becoming northeast in the evening. Chance of precipitation is 70%.

    Low: 64 °F

    Showers
    Likely then
    T-storms
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. North wind 6 to 8 mph. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61. North wind around 7 mph.

    Low: 61 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm before 4am, then scattered showers and thunderstorms after 4am. Cloudy, with a steady temperature around 67. Light southeast wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Scattered showers and thunderstorms. Cloudy, with a high near 79. South wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind 3 to 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83. South wind 6 to 9 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind around 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. Southwest wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then showers and thunderstorms likely between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 64. West wind around 6 mph becoming northeast in the evening. Chance of precipitation is 70%.
Wednesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. North wind 6 to 8 mph. Chance of precipitation is 60%.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61. North wind around 7 mph.
Juneteenth
Sunny, with a high near 82. West wind 6 to 8 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63. West wind around 6 mph becoming south after midnight.
Friday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 85. South wind 8 to 14 mph, with gusts as high as 22 mph.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. South wind 11 to 13 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny, with a high near 89. South wind 11 to 15 mph, with gusts as high as 23 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Castalia IA
 43.08°N 91.62°W
Last Update:
2:43 am CDT Jun 15, 2025
Forecast Valid:
3am CDT Jun 15, 2025-6pm CDT Jun 21, 2025
 
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Additional Resources

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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