National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Isaias Rapidly Moving North with Tropical Storm Impacts; Critical Fire Weather Conditions in the West

Isaias speed will increase some as it heads into New England, including New York City and other larger New England cities today and tonight; and the center is forecast to be in Canada by Wednesday morning. Very heavy rain and flash flooding, damaging winds, storm surge, and isolated tornadoes can be expected. In the West, critical fire conditions continue due to hot, dry, and breezy conditions. Read More >

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

A Few Clouds

72°F

22°C

Humidity 57%
Wind Speed NE 3 mph
Barometer 30.17 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 4 Aug 12:35 pm CDT
Extended Forecast for

Denison IA

  • This
    Afternoon

    This Afternoon: Partly sunny, with a high near 75. Light southeast wind.

    Partly Sunny

    High: 75 °F

  • Tonight

    Tonight: Partly cloudy, with a low around 55. South southeast wind 3 to 5 mph.

    Partly Cloudy

    Low: 55 °F

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms between 10am and 1pm. Partly sunny, with a high near 77. South wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Slight Chance
    T-storms

    High: 77 °F

  • Wednesday
    Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60. South wind 6 to 9 mph, with gusts as high as 18 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    Low: 60 °F

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 83. South wind 6 to 9 mph.

    Slight Chance
    T-storms

    High: 83 °F

  • Thursday
    Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65.

    Partly Cloudy
    then Slight
    Chance
    T-storms

    Low: 65 °F

  • Friday

    Friday: Partly sunny, with a high near 86.

    Partly Sunny

    High: 86 °F

  • Friday
    Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 69.

    Chance
    T-storms

    Low: 69 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 89.

    Mostly Sunny

    High: 89 °F

Detailed Forecast

This Afternoon
Partly sunny, with a high near 75. Light southeast wind.
Tonight
Partly cloudy, with a low around 55. South southeast wind 3 to 5 mph.
Wednesday
A slight chance of showers and thunderstorms between 10am and 1pm. Partly sunny, with a high near 77. South wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60. South wind 6 to 9 mph, with gusts as high as 18 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 83. South wind 6 to 9 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65.
Friday
Partly sunny, with a high near 86.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 69.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 67.
Monday
Mostly sunny, with a high near 89.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Denison IA
 42.03°N 95.35°W
Last Update:
12:34 pm CDT Aug 4, 2020
Forecast Valid:
12pm CDT Aug 4, 2020-6pm CDT Aug 10, 2020
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation