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Hazardous Weather Conditions

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Fair

28°F

-2°C

Humidity 100%
Wind Speed Calm
Barometer 30.32 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 11 Mar 11:15 pm CDT
Extended Forecast for

Denison IA

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

  • Tonight

    Tonight: Mostly clear, with a low around 26. West wind around 6 mph becoming calm after midnight.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 61. Windy, with a south southwest wind 7 to 17 mph increasing to 18 to 28 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 61 °F

    Partly Sunny
    and Windy

  • Thursday Night

    Thursday Night: A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 29. Windy, with a south southwest wind 20 to 29 mph becoming west northwest in the evening. Winds could gust as high as 55 mph.

    Low: 29 °F

    Windy. Chance
    Rain then
    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 45. Breezy, with a northwest wind 11 to 20 mph, with gusts as high as 38 mph.

    High: 45 °F

    Mostly Sunny
    and Breezy
    then Partly
    Sunny

  • Friday Night

    Friday Night: A 40 percent chance of snow, mainly after 1am. Cloudy, with a low around 28. Calm wind becoming east around 6 mph after midnight. Little or no snow accumulation expected.

    Low: 28 °F

    Chance Snow

  • Saturday

    Saturday: A slight chance of snow before 1pm, then a slight chance of rain. Cloudy, with a high near 49. Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Rain and snow. Low around 28. Breezy. Chance of precipitation is 80%.

    Low: 28 °F

    Rain/Snow and
    Breezy

  • Sunday

    Sunday: Rain and snow likely, becoming all snow after 1pm. Cloudy, with a high near 37. Windy. Chance of precipitation is 70%.

    High: 37 °F

    Rain/Snow
    Likely and
    Windy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 6. Windy.

    Low: 6 °F

    Mostly Cloudy
    and Windy

Detailed Forecast

Tonight
Mostly clear, with a low around 26. West wind around 6 mph becoming calm after midnight.
Thursday
Partly sunny, with a high near 61. Windy, with a south southwest wind 7 to 17 mph increasing to 18 to 28 mph in the afternoon. Winds could gust as high as 39 mph.
Thursday Night
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 29. Windy, with a south southwest wind 20 to 29 mph becoming west northwest in the evening. Winds could gust as high as 55 mph.
Friday
Increasing clouds, with a high near 45. Breezy, with a northwest wind 11 to 20 mph, with gusts as high as 38 mph.
Friday Night
A 40 percent chance of snow, mainly after 1am. Cloudy, with a low around 28. Calm wind becoming east around 6 mph after midnight. Little or no snow accumulation expected.
Saturday
A slight chance of snow before 1pm, then a slight chance of rain. Cloudy, with a high near 49. Chance of precipitation is 20%.
Saturday Night
Rain and snow. Low around 28. Breezy. Chance of precipitation is 80%.
Sunday
Rain and snow likely, becoming all snow after 1pm. Cloudy, with a high near 37. Windy. Chance of precipitation is 70%.
Sunday Night
Mostly cloudy, with a low around 6. Windy.
Monday
Sunny, with a high near 25.
Monday Night
Partly cloudy, with a low around 9.
Tuesday
Mostly cloudy, with a high near 38.
Tuesday Night
Mostly cloudy, with a low around 22.
Wednesday
Mostly sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Denison IA
 42.03°N 95.35°W
Last Update:
10:43 pm CDT Mar 11, 2026
Forecast Valid:
11pm CDT Mar 11, 2026-6pm CDT Mar 18, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation