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.

Overcast and Breezy

64°F

18°C

Humidity 100%
Wind Speed S 21 G 29 mph
Barometer 29.74 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 12 Apr 6:55 am CDT
Extended Forecast for

6 Miles SW Wall Lake IA

  • Today

    Today: A 20 percent chance of showers and thunderstorms, mainly between 1pm and 2pm. Mostly cloudy, with a high near 78. Windy, with a south southwest wind 21 to 25 mph, with gusts as high as 34 mph.

    High: 78 °F

    Slight Chance
    T-storms and
    Windy

  • Tonight

    Tonight: Partly cloudy, with a low around 57. South southwest wind 9 to 15 mph, with gusts as high as 22 mph.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 81. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 81 °F

    Partly Sunny
    then Slight
    Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 55. Southwest wind 5 to 13 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. Northwest wind 6 to 13 mph becoming south in the afternoon. Winds could gust as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 74.

    High: 74 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 80. Breezy.

    High: 80 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms, mainly between 1pm and 2pm. Mostly cloudy, with a high near 78. Windy, with a south southwest wind 21 to 25 mph, with gusts as high as 34 mph.
Tonight
Partly cloudy, with a low around 57. South southwest wind 9 to 15 mph, with gusts as high as 22 mph.
Monday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 81. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Monday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 55. Southwest wind 5 to 13 mph, with gusts as high as 20 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. Northwest wind 6 to 13 mph becoming south in the afternoon. Winds could gust as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 74.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 49.
Thursday
Sunny, with a high near 80. Breezy.
Thursday Night
Mostly clear, with a low around 56.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 73. Windy.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 34. Breezy.
Saturday
A chance of rain and snow showers. Partly sunny, with a high near 49. Breezy. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Wall Lake IA
 42.22°N 95.21°W
Last Update:
4:51 am CDT Apr 12, 2026
Forecast Valid:
7am CDT Apr 12, 2026-6pm CDT Apr 18, 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