Tropical Storm Edouard to Impact the Northwest Gulf Coast; Heat Expands Eastward

Tropical Storm Edouard will bring tropical storm to hurricane conditions, heavy rainfall, flash and some river flooding, and storm surge to portions of Upper Texas and southwestern Louisiana coasts into Wednesday. Severe thunderstorms are possible in the Central Plains and Mid-Atlantic. Hot and humid conditions will expand from the Central Plains into the Ohio Valley and Mid-Atlantic. Read More >

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Fair

86°F

30°C

Humidity 66%
Wind Speed NE 6 mph
Barometer 29.96 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 1 Sep 11:55 am CDT
Extended Forecast for

3 Miles NE Castana IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 91. South southeast wind around 7 mph.

    High: 91 °F

    Mostly Sunny

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly between 1am and 4am.  Partly cloudy, with a low around 70. Southeast wind 5 to 7 mph becoming north after midnight.

    Low: 70 °F

    Partly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 90. Southeast wind 5 to 7 mph becoming southwest in the morning.

    High: 90 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 71. East southeast wind 3 to 8 mph. Winds could gust as high as 17 mph.

    Low: 71 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 91. South wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73. South wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 92. South wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 92 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. South southeast wind around 6 mph.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 92. South wind 5 to 8 mph.

    High: 92 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 91. South southeast wind around 7 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly between 1am and 4am. Partly cloudy, with a low around 70. Southeast wind 5 to 7 mph becoming north after midnight.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 90. Southeast wind 5 to 7 mph becoming southwest in the morning.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 71. East southeast wind 3 to 8 mph. Winds could gust as high as 17 mph.
Thursday
Sunny, with a high near 91. South wind 7 to 11 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 73. South wind 8 to 10 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 92. South wind 7 to 10 mph, with gusts as high as 18 mph.
Friday Night
Mostly clear, with a low around 73. South southeast wind around 6 mph.
Saturday
Mostly sunny, with a high near 92. South wind 5 to 8 mph.
Saturday Night
Partly cloudy, with a low around 70. Southeast wind around 6 mph.
Sunday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 89. East southeast wind 3 to 8 mph.
Sunday Night
Partly cloudy, with a low around 68. East southeast wind around 7 mph.
Labor Day
A slight chance of showers and thunderstorms. Partly sunny, with a high near 86. South wind 5 to 10 mph, with gusts as high as 18 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Castana IA
 42.11°N 95.88°W (Elev. 1119 ft)
11:21 am CDT Sep 1, 2026
12pm CDT Sep 1, 2026-6pm CDT Sep 7, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database