Heavy Rainfall Along the Central Gulf Coast; Thunderstorms from the Plains to the Central Appalachians; Heat Across the East

A system in the Gulf could produce heavy rainfall and flash flooding for portions of the north-central Gulf Coast into Saturday. Widespread showers and thunderstorms are likely this afternoon into Friday from Central Plains into the mid-Mississippi Valley, Ohio Valley and Central Appalachians. Dangerous heat is expected from the Lower Mississippi Valley to the Mid-Atlantic today. Read More >

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Mapleton IA

  • Today

    Today: Mostly sunny, with a high near 73. Northeast wind around 7 mph.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 58. East wind around 6 mph.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 79. Southeast wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 79 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly between 1am and 4am, then showers likely and possibly a thunderstorm after 4am.  Mostly cloudy, with a low around 66. South southeast wind 3 to 6 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    T-storms
    Likely

  • Saturday

    Saturday: A chance of thunderstorms before 7am, then a slight chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 83. East wind 3 to 7 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 65. East northeast wind around 7 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 84. East southeast wind 6 to 8 mph, with gusts as high as 16 mph.

    High: 84 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 68. East wind 5 to 7 mph.

    Low: 68 °F

    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 88. South southeast wind 5 to 7 mph.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 73. Northeast wind around 7 mph.
Tonight
Partly cloudy, with a low around 58. East wind around 6 mph.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79. Southeast wind 6 to 9 mph, with gusts as high as 18 mph.
Friday Night
Showers and thunderstorms likely, mainly between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 66. South southeast wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of thunderstorms before 7am, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. East wind 3 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 65. East northeast wind around 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 84. East southeast wind 6 to 8 mph, with gusts as high as 16 mph.
Sunday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 68. East wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 88. South southeast wind 5 to 7 mph.
Monday Night
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 70. Southeast wind 3 to 6 mph.
Tuesday
Sunny, with a high near 92. South wind 3 to 7 mph.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. Southeast wind around 7 mph.
Wednesday
Sunny, with a high near 92. South southeast wind 6 to 8 mph, with gusts as high as 16 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Mapleton IA
 42.16°N 95.79°W (Elev. 1112 ft)
7:35 am CDT Jul 17, 2025
8am CDT Jul 17, 2025-6pm CDT Jul 23, 2025
 
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