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

73°F

23°C

Humidity 89%
Wind Speed NE 7 mph
Barometer 29.94 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 2 Sep 3:35 am CDT
Extended Forecast for

2 Miles ENE Denison IA

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms before 5am. Mostly cloudy, with a low around 71. Light south southeast wind.

    Low: 71 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms before 4pm. Some of the storms could produce heavy rainfall. Mostly sunny, with a high near 91. Southeast wind 5 to 8 mph becoming southwest in the afternoon.

    High: 91 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly clear, with a low around 72. South wind 3 to 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Mostly Clear
    then Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly before 10am. Partly sunny, then gradually becoming sunny, with a high near 91. East southeast wind 7 to 11 mph becoming south in the morning. Winds could gust as high as 20 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Chance
    T-storms then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 74. South wind around 8 mph.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90.

    High: 90 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms before 5am. Mostly cloudy, with a low around 71. Light south southeast wind.
Wednesday
A 20 percent chance of showers and thunderstorms before 4pm. Some of the storms could produce heavy rainfall. Mostly sunny, with a high near 91. Southeast wind 5 to 8 mph becoming southwest in the afternoon.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly clear, with a low around 72. South wind 3 to 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 40 percent chance of showers and thunderstorms, mainly before 10am. Partly sunny, then gradually becoming sunny, with a high near 91. East southeast wind 7 to 11 mph becoming south in the morning. Winds could gust as high as 20 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Mostly clear, with a low around 74. South wind around 8 mph.
Friday
A 40 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Partly cloudy, with a low around 71.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Labor Day
A 30 percent chance of showers. Partly sunny, with a high near 84.
Monday Night
Mostly cloudy, with a low around 67.
Tuesday
Partly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Denison IA
 42.03°N 95.32°W
Last Update:
3:06 am CDT Sep 2, 2026
Forecast Valid:
3am CDT Sep 2, 2026-6pm CDT Sep 8, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation