National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Partly Cloudy

7°F

-14°C

Humidity 78%
Wind Speed NW 14 G 21 mph
Barometer 30.61 in
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill-10°F (-23°C)
Last update 22 Feb 6:15 am CST
Extended Forecast for

4 Miles S Arthur IA

  • Today

    Today: Sunny, with a high near 23. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 23 °F

    Sunny and
    Blustery

  • Tonight

    Tonight: Mostly clear, with a low around 1. North wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 1 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 25. North wind 5 to 10 mph becoming south in the morning.

    High: 25 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature falling to near 15 by 8pm, then rising to around 22 during the remainder of the night. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 15 °F⇑

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 47. South southwest wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 47 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 21. Northwest wind 5 to 15 mph.

    Low: 21 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of snow after noon. Partly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A chance of snow before midnight, then a slight chance of rain and snow. Mostly cloudy, with a low around 20. Chance of precipitation is 40%.

    Low: 20 °F

    Chance Snow
    then Slight
    Chance
    Rain/Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 23. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 1. North wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 25. North wind 5 to 10 mph becoming south in the morning.
Monday Night
Mostly cloudy, with a temperature falling to near 15 by 8pm, then rising to around 22 during the remainder of the night. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 47. South southwest wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 21. Northwest wind 5 to 15 mph.
Wednesday
A 30 percent chance of snow after noon. Partly sunny, with a high near 40.
Wednesday Night
A chance of snow before midnight, then a slight chance of rain and snow. Mostly cloudy, with a low around 20. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 42.
Thursday Night
Mostly clear, with a low around 29.
Friday
Sunny, with a high near 54.
Friday Night
A 20 percent chance of snow. Partly cloudy, with a low around 27.
Saturday
Partly sunny, with a high near 40. Breezy.
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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:
4:33 am CST Feb 22, 2026
Forecast Valid:
6am CST Feb 22, 2026-6pm CST Feb 28, 2026
 
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Additional Resources

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Chance of Precipitation