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.

Fog

37°F

3°C

Humidity 100%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 37°F (3°C)
Visibility 0.50 mi
Last update 20 Nov 5:35 am CST
Extended Forecast for

3 Miles S Westside IA

Dense Fog Advisory until November 20, 10:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until November 20, 10:00am

    NOW until 10:00am Thu

    Dense Fog Advisory

  • Overnight

    Low: 38 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy dense fog before 11am. Otherwise, partly sunny, with a high near 47. West southwest wind 6 to 8 mph becoming north northeast in the afternoon.

    High: 47 °F

    Patchy Dense
    Fog then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 36. Northeast wind 5 to 9 mph.

    Low: 36 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 49. East northeast wind 6 to 10 mph.

    High: 49 °F

    Patchy Fog
    then Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31. Light and variable wind becoming southwest around 6 mph after midnight.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 38. Southwest wind around 8 mph.
Thursday
Patchy dense fog before 11am. Otherwise, partly sunny, with a high near 47. West southwest wind 6 to 8 mph becoming north northeast in the afternoon.
Thursday Night
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 36. Northeast wind 5 to 9 mph.
Friday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 49. East northeast wind 6 to 10 mph.
Friday Night
Mostly cloudy, with a low around 31. Light and variable wind becoming southwest around 6 mph after midnight.
Saturday
Sunny, with a high near 56.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 36.
Monday
A 50 percent chance of rain. Partly sunny, with a high near 51.
Monday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 49.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Mostly sunny, with a high near 36.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Westside IA
 42.03°N 95.09°W
Last Update:
5:21 am CST Nov 20, 2025
Forecast Valid:
5am CST Nov 20, 2025-6pm CST Nov 26, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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