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.

Fog/Mist

34°F

1°C

Humidity 100%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 34°F (1°C)
Visibility 3.00 mi
Last update 15 Feb 3:35 am CST
Extended Forecast for

4 Miles S Arthur IA

  • Overnight

    Overnight: Mostly clear, with a low around 31. North northwest wind around 5 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64. West northwest wind 5 to 10 mph becoming south southwest in the afternoon.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 41. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 41 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 64. Southwest wind 5 to 10 mph becoming southeast in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42. East southeast wind 5 to 15 mph.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 67. Breezy, with a south southeast wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 67 °F

    Decreasing
    Clouds and
    Breezy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain, mainly before midnight. Partly cloudy, with a low around 40. Breezy.

    Low: 40 °F

    Chance Rain
    and Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 53. Breezy.

    High: 53 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 31. North northwest wind around 5 mph.
Sunday
Sunny, with a high near 64. West northwest wind 5 to 10 mph becoming south southwest in the afternoon.
Sunday Night
Mostly cloudy, with a low around 41. South wind 10 to 15 mph, with gusts as high as 25 mph.
Washington's Birthday
Mostly sunny, with a high near 64. Southwest wind 5 to 10 mph becoming southeast in the afternoon.
Monday Night
Mostly cloudy, with a low around 42. East southeast wind 5 to 15 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 67. Breezy, with a south southeast wind 15 to 25 mph, with gusts as high as 35 mph.
Tuesday Night
A 40 percent chance of rain, mainly before midnight. Partly cloudy, with a low around 40. Breezy.
Wednesday
Sunny, with a high near 53. Breezy.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
A 40 percent chance of snow. Mostly cloudy, with a high near 43. Breezy.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 19. Blustery.
Friday
Partly sunny, with a high near 33.
Friday Night
Mostly cloudy, with a low around 15.
Saturday
Mostly sunny, with a high near 34.
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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:
3:43 am CST Feb 15, 2026
Forecast Valid:
3am CST Feb 15, 2026-6pm CST Feb 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation