Dangerous Heat Wave Continues; Enhanced Area of Severe Thunderstorms Today

A prolonged, dangerous heat wave will continue today in the Midwest and Mississippi Valley, and persist through the Independence Day weekend across the Ohio Valley, Mid-South, and East Coast. Widespread moderate to extreme HeatRisk is forecast. Scattered wind damage and large hail are expected from severe thunderstorms impacting parts of Nebraska into Iowa today. Read More >

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Mostly Cloudy

81°F

27°C

Humidity 79%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 73°F (23°C)
Visibility NA
Heat Index86°F (30°C)
Last update 3 Jul 3:35 pm CDT
Extended Forecast for

3 Miles ENE Buck Grove IA

Flood Watch July 3, 03:54pm until July 4, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 3, 03:54pm until July 4, 07:00am

    NOW until 7:00am Sat

    Flood Watch

  • This Afternoon

    High: 88 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers and thunderstorms after 3am.  Low around 68. Southeast wind 7 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 68 °F

    Showers

  • Independence Day

    Independence Day: A 10 percent chance of showers and thunderstorms before 7am.  Partly sunny, with a high near 86. Light and variable wind becoming west northwest around 6 mph in the morning.

    High: 86 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms between midnight and 1am.  Partly cloudy, with a low around 64. North northwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 64 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 83. Calm wind becoming north around 6 mph in the morning.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 88. South wind around 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers and thunderstorms after 3am. Low around 68. Southeast wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Independence Day
A 10 percent chance of showers and thunderstorms before 7am. Partly sunny, with a high near 86. Light and variable wind becoming west northwest around 6 mph in the morning.
Saturday Night
A slight chance of showers and thunderstorms between midnight and 1am. Partly cloudy, with a low around 64. North northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 83. Calm wind becoming north around 6 mph in the morning.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Buck Grove IA
 41.94°N 95.35°W
1:27 pm CDT Jul 3, 2026
3pm CDT Jul 3, 2026-6pm CDT Jul 9, 2026
 
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Additional Resources

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