National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Fair

68°F

20°C

Humidity 83%
Wind Speed S 13 mph
Barometer 29.73 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 12 Oct 7:55 am CDT
Extended Forecast for

Arion IA

  • Columbus Day

    Columbus Day: Partly sunny, then gradually becoming sunny, with a high near 86. Breezy, with a south wind 11 to 16 mph, with gusts as high as 24 mph.

    High: 86 °F

    Becoming
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 55. West northwest wind 5 to 9 mph becoming light north northwest after midnight. Winds could gust as high as 20 mph.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 76. North northeast wind 3 to 7 mph.

    High: 76 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly after 1am. Partly cloudy during the early evening, then becoming cloudy, with a low around 51. North northeast wind around 7 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 67. North northeast wind around 9 mph.

    High: 67 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.

    High: 65 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 41. Breezy.

    Low: 41 °F

    Mostly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Friday

    Friday: Sunny, with a high near 57. Breezy.

    High: 57 °F

    Mostly Sunny
    and Breezy
    then Sunny

Detailed Forecast

Columbus Day
Partly sunny, then gradually becoming sunny, with a high near 86. Breezy, with a south wind 11 to 16 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 55. West northwest wind 5 to 9 mph becoming light north northwest after midnight. Winds could gust as high as 20 mph.
Tuesday
Increasing clouds, with a high near 76. North northeast wind 3 to 7 mph.
Tuesday Night
A 30 percent chance of showers, mainly after 1am. Partly cloudy during the early evening, then becoming cloudy, with a low around 51. North northeast wind around 7 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Partly sunny, with a high near 67. North northeast wind around 9 mph.
Wednesday Night
A slight chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.
Thursday Night
Mostly cloudy, with a low around 41. Breezy.
Friday
Sunny, with a high near 57. Breezy.
Friday Night
Mostly clear, with a low around 33.
Saturday
Sunny, with a high near 60.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arion IA
 41.94°N 95.47°W
Last Update:
6:26 am CDT Oct 12, 2026
Forecast Valid:
8am CDT Oct 12, 2026-6pm CDT Oct 18, 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