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

27°F

-3°C

Humidity 69%
Wind Speed E 14 G 22 mph
Barometer 30.41 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 1 Mar 11:15 am CST
Extended Forecast for

Denison IA

  • Today

    Today: Mostly cloudy, with a high near 34. East wind 8 to 11 mph.

    High: 34 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 22. East wind 3 to 7 mph.

    Low: 22 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 43. South southeast wind 5 to 9 mph.

    High: 43 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 40 percent chance of rain after midnight. Cloudy, with a low around 33. Southeast wind around 6 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Cloudy then
    Chance Rain

  • Tuesday

    Tuesday: A chance of rain before noon, then a slight chance of showers after noon. Mostly cloudy, with a high near 48. East northeast wind 3 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of showers before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 35. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before noon. Partly sunny, with a high near 52.

    High: 52 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 34. East wind 8 to 11 mph.
Tonight
Mostly cloudy, with a low around 22. East wind 3 to 7 mph.
Monday
Mostly cloudy, with a high near 43. South southeast wind 5 to 9 mph.
Monday Night
A 40 percent chance of rain after midnight. Cloudy, with a low around 33. Southeast wind around 6 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A chance of rain before noon, then a slight chance of showers after noon. Mostly cloudy, with a high near 48. East northeast wind 3 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A chance of showers before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 35. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 30 percent chance of rain, mainly before noon. Partly sunny, with a high near 52.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 40.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 59.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 32.
Saturday
Partly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Denison IA
 42.03°N 95.35°W
Last Update:
11:07 am CST Mar 1, 2026
Forecast Valid:
11am CST Mar 1, 2026-6pm CST Mar 7, 2026
 
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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