October Heat Wave in California; Tropical Cyclone Possible in the Gulf

Much higher than typical October temperatures will continue across coastal southern California up through the Bay Area and Central Valley through midweek resulting in result in Major to Extreme HeatRisk. A tropical depression is likely to form over the Gulf of America during the middle part of this week with further strengthening possible as it moves northeastward later this week. Read More >

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Fair

68°F

20°C

Humidity 53%
Wind Speed SW 17 G 25 mph
Barometer 29.93 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 6 Oct 10:15 am CDT
Extended Forecast for

Denison IA

  • Today

    Today: Sunny, with a high near 80. Southwest wind 9 to 13 mph, with gusts as high as 23 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. South southwest wind around 5 mph becoming calm  in the evening.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76. Light north wind.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 70. Light east southeast wind.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. Breezy.

    High: 79 °F

    Sunny and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 80. Southwest wind 9 to 13 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 55. South southwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 76. Light north wind.
Wednesday Night
Partly cloudy, with a low around 51. Calm wind.
Thursday
Mostly sunny, with a high near 70. Light east southeast wind.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 79. Breezy.
Saturday Night
Clear, with a low around 62.
Sunday
Sunny, with a high near 77.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 57.
Columbus Day
A 30 percent chance of showers. Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Denison IA
 42°N 95.35°W
5:51 am CDT Oct 6, 2026
10am CDT Oct 6, 2026-6pm CDT Oct 12, 2026
 
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Additional Resources

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Hourly Weather Forecast

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