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

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Fair

72°F

22°C

Humidity 38%
Wind Speed S 18 G 28 mph
Barometer 30.11 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 3 Oct 1:55 pm CDT
Extended Forecast for

4 Miles E Castana IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 71. South southwest wind 10 to 14 mph, with gusts as high as 25 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 50. South southwest wind around 6 mph becoming north after midnight.

    Low: 50 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 66. North wind around 6 mph.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67. Light south southeast wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 55. South wind 8 to 13 mph, with gusts as high as 22 mph.

    Low: 55 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73. South southwest wind 8 to 11 mph, with gusts as high as 22 mph.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. Light and variable wind.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72. North wind 3 to 6 mph.

    High: 72 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 71. South southwest wind 10 to 14 mph, with gusts as high as 25 mph.
Tonight
Clear, with a low around 50. South southwest wind around 6 mph becoming north after midnight.
Sunday
Sunny, with a high near 66. North wind around 6 mph.
Sunday Night
Mostly clear, with a low around 45. Calm wind.
Monday
Sunny, with a high near 67. Light south southeast wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Clear, with a low around 55. South wind 8 to 13 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 73. South southwest wind 8 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 57. Light and variable wind.
Wednesday
Sunny, with a high near 72. North wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 54. Light and variable wind.
Thursday
Mostly sunny, with a high near 71. South wind 3 to 8 mph. Winds could gust as high as 17 mph.
Thursday Night
Mostly clear, with a low around 56. South wind around 5 mph.
Friday
Sunny, with a high near 72. South wind 5 to 9 mph, with gusts as high as 17 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Castana IA
 42.07°N 95.82°W (Elev. 1348 ft)
Last Update:
1:35 pm CDT Oct 3, 2026
Forecast Valid:
2pm CDT Oct 3, 2026-6pm CDT Oct 9, 2026
 
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