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.

Fair

27°F

-3°C

Humidity 100%
Wind Speed W 5 mph
Barometer 30.18 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 12 Jan 7:55 am CST
Extended Forecast for

4 Miles S Arthur IA

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 50. West southwest wind 5 to 10 mph.

    High: 50 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 38. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 52. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 52 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 22 °F

    Mostly Cloudy
    and Blustery

  • Wednesday

    Wednesday: Sunny, with a high near 29. Blustery, with a north wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 29 °F

    Sunny and
    Blustery

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 13. North wind 5 to 15 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 13 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 26. Blustery.

    Low: 26 °F

    Chance Snow
    and Blustery

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 33. Breezy.

    High: 33 °F

    Chance Snow
    and Breezy

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 50. West southwest wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 38. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 52. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 22. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a high near 29. Blustery, with a north wind 15 to 20 mph, with gusts as high as 35 mph.
Wednesday Night
Mostly clear, with a low around 13. North wind 5 to 15 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Thursday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 36.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 26. Blustery.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 33. Breezy.
Friday Night
Mostly cloudy, with a low around 9. Blustery.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 18.
Saturday Night
Partly cloudy, with a low around 5.
Sunday
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:
6:18 am CST Jan 12, 2026
Forecast Valid:
8am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation