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

64°F

18°C

Humidity 88%
Wind Speed SE 6 mph
Barometer 30.07 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 25 Aug 2:35 am CDT
Extended Forecast for

Arthur IA

  • Overnight

    Overnight: Partly cloudy, with a low around 63. South wind around 5 mph.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. South wind 5 to 10 mph becoming west southwest in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61. West wind around 5 mph.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 81. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. North northwest wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Calm wind becoming north northwest around 5 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 63. South wind around 5 mph.
Tuesday
Mostly sunny, with a high near 84. South wind 5 to 10 mph becoming west southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 61. West wind around 5 mph.
Wednesday
Sunny, with a high near 81. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 57. North northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 82. Calm wind becoming north northwest around 5 mph.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 83.
Friday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.
Saturday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Monday
Partly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arthur IA
 42.33°N 95.35°W (Elev. 1348 ft)
Last Update:
2:33 am CDT Aug 25, 2026
Forecast Valid:
2am CDT Aug 25, 2026-6pm CDT Aug 31, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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