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 Rain

30°F

-1°C

Humidity 100%
Wind Speed N 15 mph
Barometer 30.08 in
Dewpoint 30°F (-1°C)
Visibility 3.00 mi
Wind Chill19°F (-7°C)
Last update 11 Mar 8:55 am CDT
Extended Forecast for

Denison IA

  • Today

    Today: A 50 percent chance of snow, mainly before 10am. Cloudy early, then gradual clearing, with a high near 45. Windy, with a north northwest wind 18 to 21 mph, with gusts as high as 30 mph. Total daytime snow accumulation of less than a half inch possible.

    High: 45 °F

    Windy. Chance
    Snow then
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 26. West northwest wind 5 to 9 mph becoming light and variable after midnight.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 62. Windy, with a south southwest wind 6 to 11 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 62 °F

    Partly Sunny
    and Windy

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 30. Windy, with a south southwest wind 18 to 23 mph becoming west northwest after midnight. Winds could gust as high as 40 mph.

    Low: 30 °F

    Chance Rain
    and Windy

  • Friday

    Friday: Mostly cloudy, with a high near 45. Breezy, with a northwest wind 10 to 17 mph, with gusts as high as 33 mph.

    High: 45 °F

    Partly Sunny
    and Breezy
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of rain before 1am, then rain and snow likely. Mostly cloudy, with a low around 28. Blustery. Chance of precipitation is 70%.

    Low: 28 °F

    Chance Rain
    then
    Rain/Snow
    Likely and
    Blustery

  • Sunday

    Sunday: A chance of rain and snow before 1pm, then a chance of snow. Mostly cloudy, with a high near 35. Windy. Chance of precipitation is 50%.

    High: 35 °F

    Chance
    Rain/Snow and
    Windy

Detailed Forecast

Today
A 50 percent chance of snow, mainly before 10am. Cloudy early, then gradual clearing, with a high near 45. Windy, with a north northwest wind 18 to 21 mph, with gusts as high as 30 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
Mostly clear, with a low around 26. West northwest wind 5 to 9 mph becoming light and variable after midnight.
Thursday
Partly sunny, with a high near 62. Windy, with a south southwest wind 6 to 11 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph.
Thursday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 30. Windy, with a south southwest wind 18 to 23 mph becoming west northwest after midnight. Winds could gust as high as 40 mph.
Friday
Mostly cloudy, with a high near 45. Breezy, with a northwest wind 10 to 17 mph, with gusts as high as 33 mph.
Friday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 30.
Saturday
Mostly cloudy, with a high near 54.
Saturday Night
A chance of rain before 1am, then rain and snow likely. Mostly cloudy, with a low around 28. Blustery. Chance of precipitation is 70%.
Sunday
A chance of rain and snow before 1pm, then a chance of snow. Mostly cloudy, with a high near 35. Windy. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 8. Windy.
Monday
Mostly sunny, with a high near 29.
Monday Night
Mostly cloudy, with a low around 11.
Tuesday
Partly sunny, with a high near 38.
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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:
8:07 am CDT Mar 11, 2026
Forecast Valid:
9am CDT Mar 11, 2026-6pm CDT Mar 17, 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