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

21°F

-6°C

Humidity 58%
Wind Speed S 6 mph
Barometer 30.18 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 20 Jan 12:15 pm CST
Extended Forecast for

4 Miles S Arthur IA

  • This Afternoon

    This Afternoon: A chance of flurries with a slight chance of snow before 3pm, then snow likely, mainly after 5pm. Mostly cloudy, with a high near 25. South wind around 10 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: 25 °F

    Snow Likely

  • Tonight

    Tonight: Snow before 9pm, then a chance of flurries between 9pm and 11pm. Low around 13. South southeast wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 13 °F

    Snow then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of snow after noon. Mostly sunny, with a high near 37. Windy, with a west southwest wind 10 to 20 mph increasing to 20 to 30 mph in the afternoon. Winds could gust as high as 45 mph. Little or no snow accumulation expected.

    High: 37 °F

    Mostly Sunny
    then Chance
    Snow and
    Windy

  • Wednesday Night

    Wednesday Night: Patchy blowing snow between 7pm and 8pm. Partly cloudy, with a low around 9. Blustery, with a northwest wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 45 mph.

    Low: 9 °F

    Patchy
    Blowing Snow
    and Blustery
    then Partly
    Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 23. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 23 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -11. North wind 10 to 15 mph.

    Low: -11 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near -1.

    High: -1 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -9.

    Low: -9 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after noon. Partly sunny, with a high near 7.

    High: 7 °F

    Partly Sunny
    then Slight
    Chance Snow

Detailed Forecast

This Afternoon
A chance of flurries with a slight chance of snow before 3pm, then snow likely, mainly after 5pm. Mostly cloudy, with a high near 25. South wind around 10 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow before 9pm, then a chance of flurries between 9pm and 11pm. Low around 13. South southeast wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday
A 40 percent chance of snow after noon. Mostly sunny, with a high near 37. Windy, with a west southwest wind 10 to 20 mph increasing to 20 to 30 mph in the afternoon. Winds could gust as high as 45 mph. Little or no snow accumulation expected.
Wednesday Night
Patchy blowing snow between 7pm and 8pm. Partly cloudy, with a low around 9. Blustery, with a northwest wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 45 mph.
Thursday
Partly sunny, with a high near 23. West wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around -11. North wind 10 to 15 mph.
Friday
Partly sunny and cold, with a high near -1.
Friday Night
Mostly cloudy, with a low around -9.
Saturday
A 20 percent chance of snow after noon. Partly sunny, with a high near 7.
Saturday Night
Partly cloudy, with a low around -5.
Sunday
Mostly sunny, with a high near 19.
Sunday Night
Partly cloudy, with a low around 0.
Monday
Mostly sunny, with a high near 26.
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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:
11:03 am CST Jan 20, 2026
Forecast Valid:
12pm CST Jan 20, 2026-6pm CST Jan 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation