Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Fair

86°F

30°C

Humidity 38%
Wind Speed S 16 G 28 mph
Barometer 29.78 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 11 Oct 1:35 pm CDT
Extended Forecast for

Denison IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a steady temperature around 84. South wind 11 to 13 mph, with gusts as high as 23 mph.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 70. South wind around 9 mph, with gusts as high as 21 mph.

    Low: 70 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Sunny, with a high near 88. South wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. West wind 5 to 8 mph becoming calm  after midnight. Winds could gust as high as 18 mph.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. Calm wind becoming north around 5 mph.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 1am.  Mostly cloudy, with a low around 52. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm.  Mostly sunny, with a high near 68.

    High: 68 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 52. Chance of precipitation is 50%.

    Low: 52 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly before 1pm.  Mostly cloudy, with a high near 64. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a steady temperature around 84. South wind 11 to 13 mph, with gusts as high as 23 mph.
Tonight
Partly cloudy, with a low around 70. South wind around 9 mph, with gusts as high as 21 mph.
Columbus Day
Sunny, with a high near 88. South wind 9 to 14 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 56. West wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 75. Calm wind becoming north around 5 mph.
Tuesday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 52. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 68.
Wednesday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.
Thursday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Thursday Night
Mostly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 56. Breezy.
Friday Night
Mostly clear, with a low around 34.
Saturday
Sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Denison IA
 42°N 95.35°W
1:26 pm CDT Oct 11, 2026
1pm CDT Oct 11, 2026-6pm CDT Oct 17, 2026
 
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Additional Resources

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Hourly Weather Forecast

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