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

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Overcast

55°F

13°C

Humidity 72%
Wind Speed NE 12 mph
Barometer 30.14 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 14 Oct 4:55 pm CDT
Extended Forecast for

Mapleton IA

  • Tonight

    Tonight: Showers likely, mainly after 4am. Mostly cloudy, with a low around 46. East northeast wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Mostly Cloudy
    then Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 3pm, then showers likely. High near 55. North northwest wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 55 °F

    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 39. Northwest wind 13 to 16 mph, with gusts as high as 32 mph.

    Low: 39 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 53. Breezy, with a north northwest wind 13 to 21 mph, with gusts as high as 39 mph.

    High: 53 °F

    Decreasing
    Clouds and
    Breezy

  • Friday Night

    Friday Night: Widespread frost, mainly after 4am. Otherwise, clear, with a low around 31. North wind around 6 mph becoming calm in the evening.

    Low: 31 °F

    Clear then
    Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 59. Light south wind becoming south southwest 8 to 13 mph in the morning. Winds could gust as high as 23 mph.

    High: 59 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 40. South wind 9 to 11 mph, with gusts as high as 24 mph.

    Low: 40 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 66. South wind 13 to 15 mph, with gusts as high as 28 mph.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45. South wind 3 to 7 mph. Winds could gust as high as 16 mph.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers likely, mainly after 4am. Mostly cloudy, with a low around 46. East northeast wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers and possibly a thunderstorm before 3pm, then showers likely. High near 55. North northwest wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
A 20 percent chance of showers before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 39. Northwest wind 13 to 16 mph, with gusts as high as 32 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 53. Breezy, with a north northwest wind 13 to 21 mph, with gusts as high as 39 mph.
Friday Night
Widespread frost, mainly after 4am. Otherwise, clear, with a low around 31. North wind around 6 mph becoming calm in the evening.
Saturday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 59. Light south wind becoming south southwest 8 to 13 mph in the morning. Winds could gust as high as 23 mph.
Saturday Night
Clear, with a low around 40. South wind 9 to 11 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 66. South wind 13 to 15 mph, with gusts as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 45. South wind 3 to 7 mph. Winds could gust as high as 16 mph.
Monday
Mostly sunny, with a high near 69. South southeast wind 3 to 6 mph.
Monday Night
Mostly clear, with a low around 46. South southeast wind 3 to 5 mph.
Tuesday
Sunny, with a high near 72. South wind 5 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 54. South southeast wind around 9 mph, with gusts as high as 18 mph.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 73. South wind 9 to 13 mph, with gusts as high as 24 mph.
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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:
4:35 pm CDT Oct 14, 2026
Forecast Valid:
4pm CDT Oct 14, 2026-6pm CDT Oct 21, 2026
 
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Additional Resources

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Chance of Precipitation