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

84°F

29°C

Humidity 48%
Wind Speed E 6 mph
Barometer 29.96 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 2 Aug 2:55 pm CDT
Extended Forecast for

5 Miles SSW Westside IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 86. Light east northeast wind.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. Southeast wind 3 to 6 mph.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 87. South wind 8 to 15 mph, with gusts as high as 23 mph.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66. South southeast wind 6 to 15 mph, with gusts as high as 21 mph.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. South southwest wind 5 to 8 mph becoming north northeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 58. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 58 °F

    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 56.

    Low: 56 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 86. Light east northeast wind.
Tonight
Mostly clear, with a low around 62. Southeast wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 87. South wind 8 to 15 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 66. South southeast wind 6 to 15 mph, with gusts as high as 21 mph.
Tuesday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. South southwest wind 5 to 8 mph becoming north northeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm. Low around 58. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Wednesday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 59.
Friday
Mostly sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 65.
Saturday
Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Westside IA
 42°N 95.12°W
Last Update:
3:02 pm CDT Aug 2, 2026
Forecast Valid:
3pm CDT Aug 2, 2026-6pm CDT Aug 8, 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