Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Overcast

57°F

14°C

Humidity 39%
Wind Speed NW 14 mph
Barometer 29.54 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 12 Mar 9:15 pm CDT
Extended Forecast for

2 Miles ENE Castana IA

High Wind Warning March 12, 09:27pm until March 13, 04:00am
Red Flag Warning March 12, 09:27pm until March 13, 12:00am
Click here for hazard details and duration
High Wind Warning
Red Flag Warning
  •  
    High Wind Warning March 12, 09:27pm until March 13, 04:00am
    Red Flag Warning March 12, 09:27pm until March 13, 12:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 28 °F

    Windy. Chance
    Rain then
    Decreasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 45. Northwest wind 8 to 17 mph, with gusts as high as 29 mph.

    High: 45 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of snow, mainly between 9pm and 5am.  Mostly cloudy, with a low around 28. Light and variable wind becoming east 5 to 9 mph in the evening. Winds could gust as high as 16 mph.

    Low: 28 °F

    Chance Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 52. East southeast wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 52 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Rain before 4am, then rain and snow. Some thunder is also possible.  Low around 28. East wind 11 to 15 mph, with gusts as high as 26 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 28 °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 18 to 23 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 55 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 34 °F

    Rain/Snow and
    Windy

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before 1am.  Partly cloudy, with a low around 3. Windy, with a north northwest wind 20 to 29 mph, with gusts as high as 47 mph.

    Low: 3 °F

    Slight Chance
    Snow and
    Windy

  • Monday

    Monday: Sunny, with a high near 19. Northwest wind around 17 mph, with gusts as high as 30 mph.

    High: 19 °F

    Sunny

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly before 10pm. Cloudy early, then gradual clearing, with a low around 28. Windy, with a west northwest wind 20 to 30 mph, with gusts as high as 55 mph.
Friday
Partly sunny, with a high near 45. Northwest wind 8 to 17 mph, with gusts as high as 29 mph.
Friday Night
A 40 percent chance of snow, mainly between 9pm and 5am. Mostly cloudy, with a low around 28. Light and variable wind becoming east 5 to 9 mph in the evening. Winds could gust as high as 16 mph.
Saturday
Mostly cloudy, with a high near 52. East southeast wind 8 to 13 mph, with gusts as high as 22 mph.
Saturday Night
Rain before 4am, then rain and snow. Some thunder is also possible. Low around 28. East wind 11 to 15 mph, with gusts as high as 26 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 18 to 23 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 55 mph. 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 3. Windy, with a north northwest wind 20 to 29 mph, with gusts as high as 47 mph.
Monday
Sunny, with a high near 19. Northwest wind around 17 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 2. North northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 18 mph.
Tuesday
A slight chance of snow. Mostly cloudy, with a high near 30. South southeast wind 5 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 20. South southeast wind 6 to 8 mph.
Wednesday
Partly sunny, with a high near 50. South southwest wind 5 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 29. Southeast wind around 6 mph.
Thursday
Sunny, with a high near 62. South wind 5 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 17 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Castana IA
 42.09°N 95.88°W (Elev. 1119 ft)
8:42 pm CDT Mar 12, 2026
9pm CDT Mar 12, 2026-6pm CDT Mar 19, 2026
 
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