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

32°F

0°C

Humidity 69%
Wind Speed SW 7 mph
Barometer 29.55 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 24 Feb 10:15 am CST
Extended Forecast for

4 Miles S Arthur IA

  • Today

    Today: Increasing clouds, with a high near 47. West southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 47 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 21. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 21 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of snow after noon. Partly sunny, with a high near 35. North northwest wind 5 to 10 mph becoming east southeast in the afternoon. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Mostly Sunny
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 22. East southeast wind 5 to 10 mph becoming south southwest after midnight. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Chance Snow
    then Slight
    Chance Snow

  • Thursday

    Thursday: Sunny, with a high near 45. West southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 45 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. Southwest wind around 10 mph.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 47. West southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Tonight
Mostly cloudy, with a low around 21. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
A 50 percent chance of snow after noon. Partly sunny, with a high near 35. North northwest wind 5 to 10 mph becoming east southeast in the afternoon. New snow accumulation of less than a half inch possible.
Wednesday Night
A 50 percent chance of snow, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 22. East southeast wind 5 to 10 mph becoming south southwest after midnight. New snow accumulation of less than a half inch possible.
Thursday
Sunny, with a high near 45. West southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 31. Southwest wind around 10 mph.
Friday
Sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Mostly sunny, with a high near 36.
Saturday Night
A 20 percent chance of snow after midnight. Partly cloudy, with a low around 13.
Sunday
A 40 percent chance of snow. Mostly cloudy, with a high near 28.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 17.
Monday
A 20 percent chance of snow. Partly sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Arthur IA
 42.29°N 95.35°W (Elev. 1460 ft)
Last Update:
10:23 am CST Feb 24, 2026
Forecast Valid:
10am CST Feb 24, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation