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

Hazardous Weather Conditions

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Overcast

34°F

1°C

Humidity 56%
Wind Speed E 9 mph
Barometer 30.08 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 14 Mar 12:55 am CDT
Extended Forecast for

Mapleton IA

High Wind Watch March 15, 07:00am until March 16, 01:00am
Winter Storm Watch March 15, 07:00am until March 16, 01:00am
Click here for hazard details and duration
High Wind Watch
Winter Storm Watch

  • Overnight

    Overnight: A 30 percent chance of snow, mainly between 2am and 3am. Mostly cloudy, with a low around 27. East wind 6 to 8 mph, with gusts as high as 16 mph.

    Low: 27 °F

    Chance Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 55. East southeast wind 10 to 16 mph, with gusts as high as 29 mph.

    High: 55 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of rain, mainly between 8pm and 5am. Mostly cloudy, with a low around 27. Southeast wind 11 to 14 mph, with gusts as high as 26 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 27 °F

    Chance Rain

  • Sunday

    Sunday: Rain before 9am, then rain and snow between 9am and 10am, then snow after 10am. Patchy blowing snow after 10am. High near 40. Windy, with a north wind 18 to 23 mph increasing to 29 to 34 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 40 °F

    Rain/Snow and
    Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: Areas of blowing snow. Mostly cloudy, with a low around 1. Windy, with a north northwest wind 23 to 29 mph, with gusts as high as 48 mph.

    Low: 1 °F

    Areas Blowing
    Snow and
    Windy

  • Monday

    Monday: Patchy blowing snow before noon. Sunny, with a high near 21. Blustery, with a north northwest wind 18 to 20 mph, with gusts as high as 36 mph.

    High: 21 °F

    Blustery.
    Patchy
    Blowing Snow
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 3. North northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 22 mph.

    Low: 3 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow after 1pm. Mostly cloudy, with a high near 39. Light south southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 26 mph.

    High: 39 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28. South wind 6 to 11 mph becoming west southwest after midnight. Winds could gust as high as 23 mph.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of snow, mainly between 2am and 3am. Mostly cloudy, with a low around 27. East wind 6 to 8 mph, with gusts as high as 16 mph.
Saturday
Mostly sunny, with a high near 55. East southeast wind 10 to 16 mph, with gusts as high as 29 mph.
Saturday Night
A 50 percent chance of rain, mainly between 8pm and 5am. Mostly cloudy, with a low around 27. Southeast wind 11 to 14 mph, with gusts as high as 26 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain before 9am, then rain and snow between 9am and 10am, then snow after 10am. Patchy blowing snow after 10am. High near 40. Windy, with a north wind 18 to 23 mph increasing to 29 to 34 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
Areas of blowing snow. Mostly cloudy, with a low around 1. Windy, with a north northwest wind 23 to 29 mph, with gusts as high as 48 mph.
Monday
Patchy blowing snow before noon. Sunny, with a high near 21. Blustery, with a north northwest wind 18 to 20 mph, with gusts as high as 36 mph.
Monday Night
Partly cloudy, with a low around 3. North northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 22 mph.
Tuesday
A slight chance of snow after 1pm. Mostly cloudy, with a high near 39. Light south southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 28. South wind 6 to 11 mph becoming west southwest after midnight. Winds could gust as high as 23 mph.
Wednesday
Sunny, with a high near 63. West northwest wind 3 to 8 mph. Winds could gust as high as 16 mph.
Wednesday Night
Partly cloudy, with a low around 38. Light and variable wind.
Thursday
Mostly sunny, with a high near 74. West southwest wind 5 to 9 mph, with gusts as high as 17 mph.
Thursday Night
Mostly clear, with a low around 39. West wind around 6 mph becoming light and variable after midnight.
Friday
Partly sunny, with a high near 71. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mapleton IA
 42.16°N 95.79°W (Elev. 1112 ft)
Last Update:
1:05 am CDT Mar 14, 2026
Forecast Valid:
1am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation