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

37°F

3°C

Humidity 65%
Wind Speed W 5 mph
Barometer 29.55 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 24 Feb 1:35 pm CST
Extended Forecast for

Mapleton IA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 49. Northwest wind 13 to 17 mph, with gusts as high as 29 mph.

    High: 49 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 22. Northwest wind 8 to 13 mph becoming light north northwest after midnight. Winds could gust as high as 24 mph.

    Low: 22 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: A 50 percent chance of snow, mainly after 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 39. Calm wind becoming east southeast 5 to 7 mph in the afternoon.

    High: 39 °F

    Patchy Fog
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A chance of snow and freezing rain before 11pm, then a chance of snow between 11pm and midnight. Mostly cloudy, with a low around 24. East southeast wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 24 °F

    Chance Wintry
    Mix then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 52. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. Light and variable wind becoming south southwest around 6 mph after midnight.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 63. South southwest wind 6 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 24. Northwest wind 7 to 11 mph becoming northeast in the evening. Winds could gust as high as 21 mph.

    Low: 24 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of snow before noon. Mostly sunny, with a high near 38. Northeast wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 38 °F

    Slight Chance
    Snow then
    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 49. Northwest wind 13 to 17 mph, with gusts as high as 29 mph.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 22. Northwest wind 8 to 13 mph becoming light north northwest after midnight. Winds could gust as high as 24 mph.
Wednesday
A 50 percent chance of snow, mainly after 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 39. Calm wind becoming east southeast 5 to 7 mph in the afternoon.
Wednesday Night
A chance of snow and freezing rain before 11pm, then a chance of snow between 11pm and midnight. Mostly cloudy, with a low around 24. East southeast wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Sunny, with a high near 52. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 29. Light and variable wind becoming south southwest around 6 mph after midnight.
Friday
Sunny, with a high near 63. South southwest wind 6 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.
Friday Night
Mostly clear, with a low around 24. Northwest wind 7 to 11 mph becoming northeast in the evening. Winds could gust as high as 21 mph.
Saturday
A slight chance of snow before noon. Mostly sunny, with a high near 38. Northeast wind 11 to 14 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 14. Northeast wind 7 to 11 mph, with gusts as high as 20 mph.
Sunday
A chance of snow. Mostly cloudy, with a high near 30. East wind 7 to 9 mph, with gusts as high as 17 mph.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 16. East wind 6 to 8 mph.
Monday
Mostly cloudy, with a high near 37. East southeast wind 6 to 10 mph, with gusts as high as 18 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:
12:35 pm CST Feb 24, 2026
Forecast Valid:
1pm CST Feb 24, 2026-6pm CST Mar 2, 2026
 
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Chance of Precipitation