Castana, Iowa Weather
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Weather Forecast for Castana, Iowa : Monona County
Issued: 4:35 am CDT Jun 3, 2025 Latitude: 42.0744332 Longitude: -95.9086206 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
100% chance of thunderstorms on Overnight 100% chance of thunderstorms on Tuesday Mostly Sunny on Wednesday 40% chance of rain on Thursday 10% chance of on Friday 20% chance of thunderstorms on Saturday 10% chance of thunderstorms on Sunday Sunny on Monday
Low: 65°F High: 64°F High: 76°F High: 71°F High: 73°F High: 78°F High: 79°F High: 79°F
Low: 48°F Low: 53°F Low: 54°F Low: 53°F Low: 58°F Low: 52°F  
Thunderstorms Thunderstorms Mostly Sunny Rain Partly Sunny Thunderstorms Thunderstorms Sunny
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Current Conditions at
TEKAMAH - (KTQE)
61°
Cloudy
Mist
as of 5:18 AM CDST
Rel. Humidity: 93%
Dew Point: 59°F
Visibility: 3 Miles
Pressure: 29.74 in.
Flight Rule: IFR
Wind Data
12 MPH
320° Northwest
Cloud Level(s): Solid Overcast at 700ft
Current Conditions at
DENISON - (KDNS)
66°
Cloudy
as of 5:15 AM CDST
Rel. Humidity: 100%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 29.73 in.
Flight Rule: VFR
Wind Data
17 MPH
Gust: 26 MPH
030° Northeast
Cloud Level(s): Few at 700ft, Broken at 4800ft, Solid Overcast at 11000ft
Current Conditions at
SIOUX CITY - (KSUX)
57°
Cloudy
Light Rain Mist
as of 5:05 AM CDST
Rel. Humidity: 93%
Dew Point: 55°F
Visibility: 4 Miles
Pressure: 29.76 in.
Flight Rule: MVFR
Wind Data
13 MPH
030° Northeast
Cloud Level(s): Scattered at 1000ft, Broken at 4100ft, Solid Overcast at 7000ft
Current Conditions at
HARLAN - (KHNR)
68°
Cloudy
Mist
as of 5:15 AM CDST
Rel. Humidity: 93%
Dew Point: 66°F
Visibility: 5 Miles
Pressure: 29.74 in.
Flight Rule: MVFR
Wind Data
8 MPH
110° East
Cloud Level(s): Scattered at 2900ft, Broken at 3800ft, Solid Overcast at 7000ft
100% chance of thunderstorms Overnight Overnight... Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Steady temperature around 65. North wind around 8 mph, with gusts as high as 16 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
100% chance of thunderstorms Tuesday Tuesday... Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms between noon and 4pm, then a slight chance of showers after 4pm. Some of the storms could produce heavy rainfall. High near 64. North wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Clearing on Tuesday Night Tuesday Night... Cloudy during the early evening, then gradual clearing, with a low around 48. North wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 76. Calm wind becoming northeast around 5 mph.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 53. Calm wind.
40% chance of rain Thursday Thursday... A 40 percent chance of showers, mainly after 9am. Mostly cloudy, with a high near 71. Calm wind becoming east southeast around 6 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
30% chance of rain Thursday Night Thursday Night... A 30 percent chance of showers. Mostly cloudy, with a low around 54. East northeast wind 3 to 6 mph.
10% chance of Friday Friday... A slight chance of showers after 1pm. Partly sunny, with a high near 73. East northeast wind 3 to 6 mph.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 53. Light and variable wind.
20% chance of thunderstorms Saturday Saturday... A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78. Calm wind becoming south southwest 5 to 8 mph in the morning.
20% chance of thunderstorms Saturday Night Saturday Night... A chance of showers and thunderstorms. Partly cloudy, with a low around 58. South wind around 7 mph.
10% chance of thunderstorms Sunday Sunday... A slight chance of showers and thunderstorms. Sunny, with a high near 79. South southwest wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 52. Northwest wind 5 to 7 mph, with gusts as high as 16 mph.
Sunny on Monday Monday... Sunny, with a high near 79. West wind 5 to 10 mph, with gusts as high as 21 mph.
Current Radar Image


Sun Almanac for Castana, Iowa
Sunrise: 05:49 AM
Sunset: 8:55 PM
Civil Sunrise:05:15 AM
Civil Sunset: 9:28 PM
Nautical Sunrise: 04:32 AM
Nautical Sunset: 10:12 PM
Astro Sunrise: 03:41 AM
Astro Sunset: 11:03 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.