Heavy Rainfall Continues in Hawaii; Severe Thunderstorms and Heavy Rainfall in the Plains and Southern Appalachians

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorms and heavy rainfall will shift into the southern Appalachians today. Strong to severe thunderstorms may produce large hail, scattered wind gusts, and heavy rain today across the northern and central Plains. Read More >

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Partly Cloudy

75°F

24°C

Humidity 65%
Wind Speed Vrbl 3 mph
Barometer 30.09 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 17 Aug 11:35 am CDT
Extended Forecast for

2 Miles NNE West Union IA

  • Today

    Today: Sunny, with a high near 78. West wind 3 to 7 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 3am, then a slight chance of showers after 5am.  Partly cloudy, with a low around 62. Southwest wind 3 to 7 mph.  Chance of precipitation is 20%.

    Low: 62 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 77. West wind 6 to 9 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 60. Northwest wind 3 to 5 mph.

    Low: 60 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. North wind around 5 mph becoming calm  in the morning.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Thursday

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

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers.  Mostly clear, with a low around 59. Calm wind becoming south around 5 mph after midnight.

    Low: 59 °F

    Slight Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly after 1pm.  Mostly sunny, with a high near 77. Southwest wind 6 to 9 mph.

    High: 77 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 78. West wind 3 to 7 mph.
Tonight
A slight chance of showers and thunderstorms before 3am, then a slight chance of showers after 5am. Partly cloudy, with a low around 62. Southwest wind 3 to 7 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. West wind 6 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 60. Northwest wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 75. North wind around 5 mph becoming calm in the morning.
Wednesday Night
Partly cloudy, with a low around 57. Calm wind.
Thursday
Mostly sunny, with a high near 75. Calm wind.
Thursday Night
A 20 percent chance of showers. Mostly clear, with a low around 59. Calm wind becoming south around 5 mph after midnight.
Friday
A 30 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 77. Southwest wind 6 to 9 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 61. Southwest wind around 7 mph.
Saturday
Sunny, with a high near 76. Northwest wind 6 to 9 mph.
Saturday Night
Mostly clear, with a low around 58. North wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 74. Light north wind.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE West Union IA
 42.98°N 91.8°W
11:16 am CDT Aug 17, 2026
11am CDT Aug 17, 2026-6pm CDT Aug 23, 2026
 
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Additional Resources

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