National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

Red Oak (KRDK)

Lat: 41.02°NLon: 95.27°WElev: 1043ft.

Fair

82°F

28°C

Humidity 55%
Wind Speed Vrbl 3 mph
Barometer 30.11 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 17 Aug 3:15 pm CDT
Extended Forecast for

5 Miles SSE Malvern IA

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 67. South southeast wind 5 to 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms, mainly before noon. High near 82. South wind 5 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 9pm. Increasing clouds, with a low around 66. Northeast wind 3 to 5 mph.

    Low: 66 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 80. East northeast wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 63. East northeast wind 3 to 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 82. Calm wind becoming south around 6 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 65. South wind around 5 mph.

    Low: 65 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 86. South southwest wind 3 to 7 mph.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 65. East southeast wind around 6 mph becoming light and variable.

    Low: 65 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 67. South southeast wind 5 to 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and thunderstorms, mainly before noon. High near 82. South wind 5 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 9pm. Increasing clouds, with a low around 66. Northeast wind 3 to 5 mph.
Wednesday
A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 80. East northeast wind 3 to 6 mph. Chance of precipitation is 20%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 63. East northeast wind 3 to 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 82. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 65. South wind around 5 mph.
Friday
Mostly sunny, with a high near 86. South southwest wind 3 to 7 mph.
Friday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 65. East southeast wind around 6 mph becoming light and variable.
Saturday
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 82. North wind 3 to 8 mph.
Saturday Night
A slight chance of showers. Mostly clear, with a low around 62. East wind 3 to 7 mph.
Sunday
A slight chance of showers. Partly sunny, with a high near 81. East southeast wind 3 to 8 mph.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64. East southeast wind around 9 mph.
Monday
Partly sunny, with a high near 82. East southeast wind around 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Malvern IA
 40.95°N 95.52°W (Elev. 1152 ft)
Last Update:
1:35 pm CDT Aug 17, 2026
Forecast Valid:
3pm CDT Aug 17, 2026-6pm CDT Aug 24, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

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Chance of Precipitation