Lala Impacting Hawaii; Flash Flooding Risks; Excessive Heat

Lala will continue to impact Hawaii through the weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Thunderstorms, heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians and the mid-Atlantic through today. Record heat continues for areas of the Mississippi Valley into the Southeast. Read More >

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Overcast

73°F

23°C

Humidity 94%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 72°F (22°C)
Visibility 9.00 mi
Last update 16 Aug 8:15 am CDT
Extended Forecast for

5 Miles ESE Saint Lucas IA

  • Today

    Today: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 78. Northwest wind 8 to 11 mph.

    High: 78 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. Northwest wind 3 to 8 mph.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 79. Calm wind becoming west around 6 mph in the afternoon.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am.  Increasing clouds, with a low around 64. Southwest wind 3 to 6 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Mostly Clear
    then Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 79. West wind around 7 mph.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 60. West wind around 5 mph becoming light and variable  in the evening.  Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74. Light northeast wind.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 75. Light south wind.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, partly sunny, with a high near 78. Northwest wind 8 to 11 mph.
Tonight
Mostly clear, with a low around 60. Northwest wind 3 to 8 mph.
Monday
Sunny, with a high near 79. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Increasing clouds, with a low around 64. Southwest wind 3 to 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. West wind around 7 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. West wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Mostly sunny, with a high near 74. Light northeast wind.
Wednesday Night
Mostly clear, with a low around 56. Calm wind.
Thursday
Mostly sunny, with a high near 75. Light south wind.
Thursday Night
A slight chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 59. Light south wind. Chance of precipitation is 20%.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77. Southwest wind 5 to 8 mph.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60. Southwest wind 5 to 7 mph.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77. West wind 3 to 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Saint Lucas IA
 43.04°N 91.83°W
5:16 am CDT Aug 16, 2026
8am CDT Aug 16, 2026-6pm CDT Aug 22, 2026
 
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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