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

86°F

30°C

Humidity 49%
Wind Speed SW 15 G 23 mph
Barometer 29.67 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 12 Oct 1:55 pm CDT
Extended Forecast for

Denison IA

  • Columbus Day

    Columbus Day: Sunny, with a high near 86. Breezy, with a southwest wind around 16 mph, with gusts as high as 25 mph.

    High: 86 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 53. North northwest wind 5 to 11 mph, with gusts as high as 22 mph.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72. North northeast wind 3 to 6 mph.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 49. North northeast wind around 6 mph.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 66. North northeast wind around 7 mph.

    High: 66 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Showers likely after 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Mostly Cloudy
    then Showers
    Likely

  • Thursday

    Thursday: Showers, mainly before 1pm. High near 64. Chance of precipitation is 90%.

    High: 64 °F

    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

Columbus Day
Sunny, with a high near 86. Breezy, with a southwest wind around 16 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 53. North northwest wind 5 to 11 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 72. North northeast wind 3 to 6 mph.
Tuesday Night
Mostly cloudy, with a low around 49. North northeast wind around 6 mph.
Wednesday
Partly sunny, with a high near 66. North northeast wind around 7 mph.
Wednesday Night
Showers likely after 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers, mainly before 1pm. High near 64. Chance of precipitation is 90%.
Thursday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 33.
Saturday
Sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Denison IA
 42.03°N 95.35°W
Last Update:
1:26 pm CDT Oct 12, 2026
Forecast Valid:
2pm 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