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

55°F

13°C

Humidity 24%
Wind Speed N 15 G 23 mph
Barometer 30.22 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 19 Apr 5:35 pm CDT
Extended Forecast for

Denison IA

  • Tonight

    Tonight: Mostly clear, with a low around 32. North wind 5 to 10 mph becoming east after midnight.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 69. South wind 7 to 15 mph, with gusts as high as 25 mph.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52. South wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 82. South southwest wind 5 to 7 mph becoming north in the afternoon.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. Light and variable wind becoming south southeast around 6 mph after midnight.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81. Breezy.

    High: 81 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59. Windy.

    Low: 59 °F

    Partly Cloudy
    and Breezy
    then Chance
    Showers and
    Windy

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 77. Windy. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely and
    Windy

  • Thursday Night

    Thursday Night: A 40 percent chance of showers before 1am. Partly cloudy, with a low around 41. Breezy.

    Low: 41 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 32. North wind 5 to 10 mph becoming east after midnight.
Monday
Sunny, with a high near 69. South wind 7 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 52. South wind 10 to 14 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 82. South southwest wind 5 to 7 mph becoming north in the afternoon.
Tuesday Night
Mostly clear, with a low around 54. Light and variable wind becoming south southeast around 6 mph after midnight.
Wednesday
Sunny, with a high near 81. Breezy.
Wednesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59. Windy.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 77. Windy. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of showers before 1am. Partly cloudy, with a low around 41. Breezy.
Friday
Mostly sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Partly sunny, with a high near 59.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Denison IA
 42.03°N 95.35°W
Last Update:
5:37 pm CDT Apr 19, 2026
Forecast Valid:
5pm CDT Apr 19, 2026-6pm CDT Apr 26, 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