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.

Fair and Breezy

61°F

16°C

Humidity 29%
Wind Speed SW 24 mph
Barometer 29.58 in
Dewpoint 28°F (-2°C)
Visibility 9.00 mi
Last update 12 Mar 4:55 pm CDT
Extended Forecast for

Denison IA

High Wind Warning March 12, 10:00pm until March 13, 07:00am
Red Flag Warning March 12, 05:03pm until March 12, 09:00pm
Click here for hazard details and duration
High Wind Warning
...
  •  
    Red Flag Warning March 12, 05:03pm until March 12, 09:00pm

    NOW until 9:00pm Thu

    Red Flag Warning

  • Tonight

    Low: 30 °F

    Windy. Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44. Windy, with a northwest wind 17 to 22 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 44 °F

    Mostly Sunny
    and Windy
    then Partly
    Sunny

  • Friday Night

    Friday Night: A 40 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 27. Calm wind becoming east around 6 mph after midnight. Little or no snow accumulation expected.

    Low: 27 °F

    Chance Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 50. East southeast wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 50 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of rain before 1am, then rain and snow. Some thunder is also possible. Low around 30. East wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance Rain
    then
    Rain/Snow

  • Sunday

    Sunday: Snow, possibly mixed with rain, becoming all snow after 1pm. Some thunder is also possible. High near 36. Windy. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 36 °F

    Rain/Snow and
    Windy

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before 1am. Partly cloudy, with a low around 2. Windy.

    Low: 2 °F

    Slight Chance
    Snow and
    Windy

  • Monday

    Monday: Sunny, with a high near 17. Blustery.

    High: 17 °F

    Sunny and
    Blustery

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 30. Windy, with a south southwest wind 21 to 31 mph becoming west northwest after midnight. Winds could gust as high as 50 mph.
Friday
Mostly sunny, with a high near 44. Windy, with a northwest wind 17 to 22 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 37 mph.
Friday Night
A 40 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 27. Calm wind becoming east around 6 mph after midnight. Little or no snow accumulation expected.
Saturday
Mostly cloudy, with a high near 50. East southeast wind 7 to 13 mph, with gusts as high as 20 mph.
Saturday Night
A chance of rain before 1am, then rain and snow. Some thunder is also possible. Low around 30. East wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday
Snow, possibly mixed with rain, becoming all snow after 1pm. Some thunder is also possible. High near 36. Windy. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A 20 percent chance of snow before 1am. Partly cloudy, with a low around 2. Windy.
Monday
Sunny, with a high near 17. Blustery.
Monday Night
Partly cloudy, with a low around 1.
Tuesday
Mostly cloudy, with a high near 29.
Tuesday Night
Mostly cloudy, with a low around 20.
Wednesday
Partly sunny, with a high near 47.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
Sunny, with a high near 60.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Denison IA
 42.03°N 95.35°W
Last Update:
2:46 pm CDT Mar 12, 2026
Forecast Valid:
5pm CDT Mar 12, 2026-6pm CDT Mar 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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