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

Air Quality Concerns; Fire Weather in the West; Flash Flooding in the Southeast

Wildfire smoke continues to result in poor air quality from the Upper Midwest into the Northeast. Multiple days of hot, dry and windy conditions are expected to bring fire weather concerns for portions of the Four Corners region into the central Great Basin and Rockies. Heavy rainfall and a flash flooding threat continues in the Southeast. Severe thunderstorms continue across the Northern Plains Read More >

Hazardous Weather Conditions

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Fair

N/A

Humidity NA
Wind Speed S 10 G 16 mph
Barometer 30.22 in
Dewpoint N/A
Visibility 10.00 mi
Last update 5 Aug 11:35 am CDT
Extended Forecast for

Mapleton IA

  • Today

    Today: Mostly sunny, with a high near 81. South southeast wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly after 4am. Increasing clouds, with a low around 65. Southeast wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 65 °F

    Partly Cloudy
    then T-storms
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 85. South southeast wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. South southeast wind around 7 mph.

    Low: 68 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 89. South wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. South southeast wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 92. South wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 92 °F

    Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. South southeast wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Mostly Clear
    then Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 85. Southeast wind around 8 mph, with gusts as high as 16 mph.

    High: 85 °F

    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 81. South southeast wind 8 to 10 mph, with gusts as high as 20 mph.
Tonight
Showers and thunderstorms likely, mainly after 4am. Increasing clouds, with a low around 65. Southeast wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and thunderstorms likely, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 85. South southeast wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. South southeast wind around 7 mph.
Thursday
Sunny, with a high near 89. South wind 6 to 10 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 72. South southeast wind 8 to 10 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 92. South wind 10 to 14 mph, with gusts as high as 24 mph.
Friday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. South southeast wind 8 to 10 mph, with gusts as high as 20 mph.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Southeast wind around 8 mph, with gusts as high as 16 mph.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 62. North northeast wind around 6 mph becoming calm in the evening.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Light and variable wind.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. Calm wind becoming west northwest around 6 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mapleton IA
 42.18°N 95.79°W (Elev. 1135 ft)
Last Update:
10:35 am CDT Aug 5, 2025
Forecast Valid:
11am CDT Aug 5, 2025-6pm CDT Aug 11, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation