Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Overcast

30°F

-1°C

Humidity 100%
Wind Speed N 18 G 33 mph
Barometer 29.53 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 15 Mar 8:55 am CDT
Extended Forecast for

Denison IA

Blizzard Warning March 15, 01:00pm until March 16, 07:00am
High Wind Warning March 15, 01:00pm until March 16, 04:00am
Click here for hazard details and duration
Blizzard Warning
High Wind Warning
  • Today

    Today: A chance of rain and snow before 10am, then snow and freezing rain likely between 10am and 11am, then snow after 11am.  Widespread blowing snow, mainly after 3pm. Temperature falling to around 24 by 5pm. Wind chill values as low as 5. Very windy, with a north wind 29 to 37 mph, with gusts as high as 55 mph.  Chance of precipitation is 90%. Little or no ice accumulation expected.  Total daytime snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Wintry Mix
    and Blowing
    Snow

  • Tonight

    Tonight: A 50 percent chance of snow, mainly before 10pm.  Widespread blowing snow, mainly before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 1. Wind chill values as low as -20. Very windy, with a north northwest wind 29 to 36 mph, with gusts as high as 55 mph.  New snow accumulation of less than one inch possible.

    Low: 1 °F

    Chance Snow
    and Blowing
    Snow

  • Monday

    Monday: Patchy blowing snow before 4pm. Sunny, with a high near 18. Wind chill values as low as -20. Windy, with a northwest wind 18 to 24 mph, with gusts as high as 39 mph.

    High: 18 °F

    Patchy
    Blowing Snow
    and Windy

  • Monday Night

    Monday Night: Mostly clear, with a low around 3. Northwest wind 6 to 11 mph becoming light north northwest  after midnight. Winds could gust as high as 20 mph.

    Low: 3 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of snow after 1pm.  Mostly cloudy, with a high near 36. Light south southeast wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 23 mph.  Little or no snow accumulation expected.

    High: 36 °F

    Partly Sunny
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow before 10pm, then a slight chance of rain between 10pm and 1am.  Mostly cloudy, with a low around 26. Chance of precipitation is 20%.

    Low: 26 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of rain and snow before 10am, then snow and freezing rain likely between 10am and 11am, then snow after 11am. Widespread blowing snow, mainly after 3pm. Temperature falling to around 24 by 5pm. Wind chill values as low as 5. Very windy, with a north wind 29 to 37 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
A 50 percent chance of snow, mainly before 10pm. Widespread blowing snow, mainly before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 1. Wind chill values as low as -20. Very windy, with a north northwest wind 29 to 36 mph, with gusts as high as 55 mph. New snow accumulation of less than one inch possible.
Monday
Patchy blowing snow before 4pm. Sunny, with a high near 18. Wind chill values as low as -20. Windy, with a northwest wind 18 to 24 mph, with gusts as high as 39 mph.
Monday Night
Mostly clear, with a low around 3. Northwest wind 6 to 11 mph becoming light north northwest after midnight. Winds could gust as high as 20 mph.
Tuesday
A 30 percent chance of snow after 1pm. Mostly cloudy, with a high near 36. Light south southeast wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 23 mph. Little or no snow accumulation expected.
Tuesday Night
A slight chance of rain and snow before 10pm, then a slight chance of rain between 10pm and 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Partly sunny, with a high near 76.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Partly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Denison IA
 42.03°N 95.35°W
7:02 am CDT Mar 15, 2026
9am CDT Mar 15, 2026-6pm CDT Mar 21, 2026
 
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