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.

Overcast

48°F

9°C

Humidity 94%
Wind Speed S 5 mph
Barometer 29.99 in
Dewpoint 46°F (8°C)
Visibility 7.00 mi
Wind Chill46°F (8°C)
Last update 4 Mar 5:35 pm CST
Extended Forecast for

4 Miles S Arthur IA

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 36. South southeast wind around 5 mph.

    Low: 36 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 61. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 61 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: A chance of rain before 9pm, then a chance of rain and thunderstorms between 9pm and midnight, then rain and possibly a thunderstorm after midnight. Low around 46. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Chance Rain
    then Rain

  • Friday

    Friday: Rain and possibly a thunderstorm before 9am, then rain between 9am and 3pm, then rain and possibly a thunderstorm after 3pm. High near 65. South southeast wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%.

    High: 65 °F

    Rain

  • Friday Night

    Friday Night: Rain likely before 3am, then a chance of snow. Some thunder is also possible. Mostly cloudy, with a low around 28. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 28 °F

    Blustery.
    Rain Likely
    then Chance
    Rain/Snow

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 49. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 49 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 34.

    Low: 34 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 36. South southeast wind around 5 mph.
Thursday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 61. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A chance of rain before 9pm, then a chance of rain and thunderstorms between 9pm and midnight, then rain and possibly a thunderstorm after midnight. Low around 46. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Rain and possibly a thunderstorm before 9am, then rain between 9am and 3pm, then rain and possibly a thunderstorm after 3pm. High near 65. South southeast wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%.
Friday Night
Rain likely before 3am, then a chance of snow. Some thunder is also possible. Mostly cloudy, with a low around 28. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 49. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Clear, with a low around 34.
Sunday
Sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 71.
Monday Night
A 20 percent chance of rain. Partly cloudy, with a low around 40.
Tuesday
A 40 percent chance of rain. Partly sunny, with a high near 56. Breezy.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 20. Chance of precipitation is 40%.
Wednesday
A 20 percent chance of snow. Partly sunny, with a high near 36.
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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:
3:58 pm CST Mar 4, 2026
Forecast Valid:
5pm CST Mar 4, 2026-6pm CDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation