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

66°F

19°C

Humidity 64%
Wind Speed Calm
Barometer 30.28 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 23 Sep 6:15 pm CDT
Extended Forecast for

Arion IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. Southeast wind around 7 mph.

    Low: 56 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers likely, mainly between 8am and 9am. Cloudy, with a high near 64. South southeast wind 5 to 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 64 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely, mainly after 3am. Cloudy, with a low around 57. Southeast wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 57 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely. Cloudy, with a high near 64. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 64 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely, then showers and possibly a thunderstorm after 10pm. Low around 59. Southeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Showers
    Likely then
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 68 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 56. Southeast wind around 7 mph.
Thursday
Showers likely, mainly between 8am and 9am. Cloudy, with a high near 64. South southeast wind 5 to 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Showers likely, mainly after 3am. Cloudy, with a low around 57. Southeast wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers likely. Cloudy, with a high near 64. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
Showers likely, then showers and possibly a thunderstorm after 10pm. Low around 59. Southeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 59.
Sunday
Partly sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Partly sunny, with a high near 72.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Tuesday
Showers likely. Cloudy, with a high near 67. Chance of precipitation is 70%.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 54.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arion IA
 41.94°N 95.47°W
Last Update:
5:56 pm CDT Sep 23, 2026
Forecast Valid:
6pm CDT Sep 23, 2026-6pm CDT Sep 30, 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