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.

Light Unknown Precip

28°F

-2°C

Humidity 100%
Wind Speed S 8 mph
Barometer 30.18 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 12 Mar 7:35 am CDT
Extended Forecast for

Mapleton IA

Red Flag Warning March 12, 12:00pm until March 12, 09:00pm
High Wind Warning March 12, 07:00pm until March 13, 03:00am
Click here for hazard details and duration
Red Flag Warning
High Wind Warning

  • Today

    Today: Partly sunny, with a high near 63. Windy, with a south wind 7 to 12 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 41 mph.

    High: 63 °F

    Partly Sunny
    and Windy

  • Tonight

    Tonight: A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 29. Windy, with a south southwest wind 17 to 22 mph becoming west northwest 26 to 31 mph in the evening. Winds could gust as high as 55 mph.

    Low: 29 °F

    Windy. Slight
    Chance Rain
    then Partly
    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 45. Northwest wind 9 to 14 mph, with gusts as high as 26 mph.

    High: 45 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 28. Light and variable wind becoming east around 6 mph after midnight.

    Low: 28 °F

    Chance Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 51. East southeast wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 51 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Rain likely before 1am, then rain and snow. Low around 26. East wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 26 °F

    Rain Likely
    then
    Rain/Snow

  • Sunday

    Sunday: Snow, possibly mixed with rain, becoming all snow after 1pm. High near 34. Windy, with a north wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 80%.

    High: 34 °F

    Rain/Snow and
    Windy

  • Sunday Night

    Sunday Night: A slight chance of snow before 1am. Mostly cloudy, with a low around 3. Windy, with a north northwest wind 15 to 25 mph, with gusts as high as 39 mph.

    Low: 3 °F

    Slight Chance
    Snow and
    Windy

  • Monday

    Monday: Sunny, with a high near 21. North northwest wind around 14 mph, with gusts as high as 23 mph.

    High: 21 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 63. Windy, with a south wind 7 to 12 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 41 mph.
Tonight
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 29. Windy, with a south southwest wind 17 to 22 mph becoming west northwest 26 to 31 mph in the evening. Winds could gust as high as 55 mph.
Friday
Partly sunny, with a high near 45. Northwest wind 9 to 14 mph, with gusts as high as 26 mph.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 28. Light and variable wind becoming east around 6 mph after midnight.
Saturday
Mostly cloudy, with a high near 51. East southeast wind 6 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Rain likely before 1am, then rain and snow. Low around 26. East wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Snow, possibly mixed with rain, becoming all snow after 1pm. High near 34. Windy, with a north wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 80%.
Sunday Night
A slight chance of snow before 1am. Mostly cloudy, with a low around 3. Windy, with a north northwest wind 15 to 25 mph, with gusts as high as 39 mph.
Monday
Sunny, with a high near 21. North northwest wind around 14 mph, with gusts as high as 23 mph.
Monday Night
A slight chance of snow after 1am. Mostly cloudy, with a low around 6. North northwest wind 5 to 9 mph becoming southeast after midnight.
Tuesday
A slight chance of snow. Mostly cloudy, with a high near 34. South southeast wind 5 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 22. Southeast wind around 7 mph.
Wednesday
Partly sunny, with a high near 50. South wind 5 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mapleton IA
 42.16°N 95.79°W (Elev. 1112 ft)
Last Update:
7:35 am CDT Mar 12, 2026
Forecast Valid:
7am CDT Mar 12, 2026-6pm CDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation