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

50°F

10°C

Humidity 100%
Wind Speed Calm
Barometer 29.66 in
Dewpoint 50°F (10°C)
Visibility 7.00 mi
Last update 18 Oct 12:35 am CDT
Extended Forecast for

3 Miles S Arthur IA

  • Overnight

    Overnight: Clear, with a low around 48. Southwest wind around 5 mph.

    Low: 48 °F

    Clear

  • Saturday

    Saturday: A 40 percent chance of showers after 3pm. Increasing clouds, with a high near 68. West southwest wind 5 to 10 mph becoming northwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 68 °F

    Sunny then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 39. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 39 °F

    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 62. West northwest wind around 10 mph.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48. South wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 65. South southwest wind around 15 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Areas of frost after 4am. Otherwise, clear, with a low around 34.

    Low: 34 °F

    Clear then
    Areas Frost

Detailed Forecast

Overnight
Clear, with a low around 48. Southwest wind around 5 mph.
Saturday
A 40 percent chance of showers after 3pm. Increasing clouds, with a high near 68. West southwest wind 5 to 10 mph becoming northwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
A 30 percent chance of showers, mainly before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 39. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 62. West northwest wind around 10 mph.
Sunday Night
Mostly clear, with a low around 48. South wind 5 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 65. South southwest wind around 15 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Sunny, with a high near 56.
Tuesday Night
Areas of frost after 4am. Otherwise, clear, with a low around 34.
Wednesday
Areas of frost before 8am. Otherwise, sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 39.
Friday
Sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Arthur IA
 42.29°N 95.35°W (Elev. 1460 ft)
Last Update:
11:08 pm CDT Oct 17, 2025
Forecast Valid:
12am CDT Oct 18, 2025-6pm CDT Oct 24, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation