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

24°C

75°F

Humidity 54%
Wind Speed S 20 G 30 km/h
Barometer 29.79 in
Dewpoint 14°C (57°F)
Visibility 16 km
Last update 16 Jun 12:55 am CDT
Extended Forecast for

6 Miles SW Castalia IA

  • Overnight

    Overnight: Showers and thunderstorms likely before 3am, then showers and possibly a thunderstorm between 3am and 5am, then showers and thunderstorms likely after 5am. Some of the storms could produce heavy rainfall. Low around 19. South wind 21 to 23 km/h, with gusts as high as 42 km/h. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 cm possible.

    Low: 19 °C

    Heavy Rain

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly before 9am. Cloudy through mid morning, then gradual clearing, with a high near 33. Heat index values as high as 36. Breezy, with a southwest wind 21 to 27 km/h, with gusts as high as 42 km/h. New precipitation amounts between 2.5 and 5 mm possible.

    High: 33 °C

    Breezy.
    Chance
    T-storms then
    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 11pm. Partly cloudy, with a low around 22. South wind 14 to 21 km/h, with gusts as high as 34 km/h.

    Low: 22 °C

    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 33. Breezy, with a south wind 16 to 21 km/h increasing to 22 to 27 km/h in the afternoon. Winds could gust as high as 45 km/h.

    High: 33 °C

    Slight Chance
    T-storms and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 23. Breezy, with a south wind 23 to 26 km/h, with gusts as high as 39 km/h.

    Low: 23 °C

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 32. Breezy, with a south wind 24 to 32 km/h, with gusts as high as 47 km/h.

    High: 32 °C

    Breezy. Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 19. Breezy, with a south wind 21 to 26 km/h decreasing to 14 to 19 km/h after midnight. Winds could gust as high as 39 km/h. Chance of precipitation is 60%.

    Low: 19 °C

    T-storms
    Likely and
    Breezy

  • Juneteenth

    Juneteenth: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 27. Southwest wind 13 to 16 km/h. Chance of precipitation is 70%.

    High: 27 °C

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 18. Northwest wind 5 to 11 km/h becoming southeast after midnight.

    Low: 18 °C

    Chance
    T-storms

Detailed Forecast

Overnight
Showers and thunderstorms likely before 3am, then showers and possibly a thunderstorm between 3am and 5am, then showers and thunderstorms likely after 5am. Some of the storms could produce heavy rainfall. Low around 19. South wind 21 to 23 km/h, with gusts as high as 42 km/h. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 cm possible.
Sunday
A 40 percent chance of showers and thunderstorms, mainly before 9am. Cloudy through mid morning, then gradual clearing, with a high near 33. Heat index values as high as 36. Breezy, with a southwest wind 21 to 27 km/h, with gusts as high as 42 km/h. New precipitation amounts between 2.5 and 5 mm possible.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 11pm. Partly cloudy, with a low around 22. South wind 14 to 21 km/h, with gusts as high as 34 km/h.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 33. Breezy, with a south wind 16 to 21 km/h increasing to 22 to 27 km/h in the afternoon. Winds could gust as high as 45 km/h.
Monday Night
Mostly clear, with a low around 23. Breezy, with a south wind 23 to 26 km/h, with gusts as high as 39 km/h.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 32. Breezy, with a south wind 24 to 32 km/h, with gusts as high as 47 km/h.
Tuesday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 19. Breezy, with a south wind 21 to 26 km/h decreasing to 14 to 19 km/h after midnight. Winds could gust as high as 39 km/h. Chance of precipitation is 60%.
Juneteenth
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 27. Southwest wind 13 to 16 km/h. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 18. Northwest wind 5 to 11 km/h becoming southeast after midnight.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 27. Southeast wind 8 to 13 km/h becoming southwest in the afternoon. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 18. South wind 5 to 10 km/h.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 29. South wind 8 to 14 km/h.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 19. South wind around 11 km/h.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 29. Southwest wind 10 to 18 km/h.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Castalia IA
 43.06°N 91.77°W
Last Update:
11:44 pm CDT Jun 15, 2024
Forecast Valid:
1am CDT Jun 16, 2024-6pm CDT Jun 22, 2024
 
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