Isolated Severe Thunderstorms and Critical Fire Weather Tuesday

Isolated severe thunderstorms with strong wind gusts and hail will be possible Tuesday from parts of central Plains northeastward into the Midwest. Additional storms capable of damaging winds will be possible across the eastern Florida peninsula. Elevated to critical fire weather including gusty winds and low relative humidity is forecast again Tuesday over much of the northern Great Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Fair

79°F

26°C

Humidity 28%
Wind Speed S 13 G 20 mph
Barometer 29.96 in
Dewpoint 43°F (6°C)
Visibility NA
Heat Index78°F (26°C)
Last update 11 May 7:35 pm CDT
Extended Forecast for

Denison IA

  • Tonight

    Tonight: A chance of sprinkles between 4am and 5am, then a slight chance of showers after 5am.  Increasing clouds, with a low around 60. Breezy, with a south wind 10 to 17 mph, with gusts as high as 29 mph.  Chance of precipitation is 10%.

    Low: 60 °F

    Breezy.
    Partly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of sprinkles before 10am.  Mostly cloudy, then gradual clearing during the afternoon, with a high near 81. Windy, with a west southwest wind 13 to 18 mph becoming northwest 19 to 24 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 81 °F

    Chance
    Sprinkles and
    Windy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. Windy, with a north northwest wind 17 to 22 mph becoming light  after midnight. Winds could gust as high as 26 mph.

    Low: 48 °F

    Mostly Clear
    and Windy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. Calm wind becoming north northwest 5 to 9 mph in the morning.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. Light and variable wind becoming southeast 5 to 8 mph after midnight.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers, with thunderstorms also possible after 1pm.  Mostly sunny, with a high near 80. Windy.  Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    T-storms and
    Windy

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 55. Breezy.  Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of sprinkles between 4am and 5am, then a slight chance of showers after 5am. Increasing clouds, with a low around 60. Breezy, with a south wind 10 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 10%.
Tuesday
A chance of sprinkles before 10am. Mostly cloudy, then gradual clearing during the afternoon, with a high near 81. Windy, with a west southwest wind 13 to 18 mph becoming northwest 19 to 24 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 48. Windy, with a north northwest wind 17 to 22 mph becoming light after midnight. Winds could gust as high as 26 mph.
Wednesday
Sunny, with a high near 77. Calm wind becoming north northwest 5 to 9 mph in the morning.
Wednesday Night
Mostly clear, with a low around 49. Light and variable wind becoming southeast 5 to 8 mph after midnight.
Thursday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 80. Windy. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Breezy. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 56.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Breezy.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Denison IA
 42.03°N 95.35°W
6:22 pm CDT May 11, 2026
7pm CDT May 11, 2026-6pm CDT May 18, 2026
 
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Additional Resources

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