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.

Fair

39°F

4°C

Humidity 100%
Wind Speed SE 5 mph
Barometer 29.85 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 16 Feb 5:15 am CST
Extended Forecast for

Mapleton IA

  • Washington's Birthday

    Washington's Birthday: Mostly cloudy through mid morning, then gradual clearing, with a high near 65. South southwest wind around 6 mph becoming southeast in the afternoon.

    High: 65 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 44. East southeast wind 3 to 8 mph. Winds could gust as high as 17 mph.

    Low: 44 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A slight chance of drizzle before noon. Mostly cloudy, then gradually becoming sunny, with a high near 71. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 71 °F

    Slight Chance
    Drizzle then
    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain before midnight. Partly cloudy, with a low around 40. South wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 24 mph.

    Low: 40 °F

    Chance Rain
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 58. West wind 9 to 15 mph, with gusts as high as 28 mph.

    High: 58 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. West northwest wind 6 to 10 mph becoming northeast after midnight. Winds could gust as high as 20 mph.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain and snow. Mostly cloudy, with a high near 41. Northeast wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.

    High: 41 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 18. North northwest wind 9 to 14 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Chance Snow

  • Friday

    Friday: Partly sunny, with a high near 34. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 34 °F

    Partly Sunny

Detailed Forecast

Washington's Birthday
Mostly cloudy through mid morning, then gradual clearing, with a high near 65. South southwest wind around 6 mph becoming southeast in the afternoon.
Tonight
Increasing clouds, with a low around 44. East southeast wind 3 to 8 mph. Winds could gust as high as 17 mph.
Tuesday
A slight chance of drizzle before noon. Mostly cloudy, then gradually becoming sunny, with a high near 71. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 37 mph.
Tuesday Night
A 40 percent chance of rain before midnight. Partly cloudy, with a low around 40. South wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 24 mph.
Wednesday
Sunny, with a high near 58. West wind 9 to 15 mph, with gusts as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 28. West northwest wind 6 to 10 mph becoming northeast after midnight. Winds could gust as high as 20 mph.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 41. Northeast wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 18. North northwest wind 9 to 14 mph, with gusts as high as 25 mph.
Friday
Partly sunny, with a high near 34. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Friday Night
A slight chance of snow after midnight. Mostly cloudy, with a low around 17. North northwest wind around 6 mph.
Saturday
A slight chance of snow. Mostly sunny, with a high near 39. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Saturday Night
A slight chance of snow. Partly cloudy, with a low around 13. North northwest wind around 8 mph.
Sunday
Mostly sunny, with a high near 32. North northwest wind 7 to 10 mph, with gusts as high as 20 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:
4:42 am CST Feb 16, 2026
Forecast Valid:
5am CST Feb 16, 2026-6pm CST Feb 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation