Castalia, Iowa Weather
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Weather Forecast for Castalia, Iowa : Winneshiek County
Issued: 4:58 am CDT Jun 3, 2025 Latitude: 43.1119219 Longitude: -91.6762624 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Friday Saturday Sunday Monday
90% chance of thunderstorms on Today 70% chance of thunderstorms on Tonight Smoke on Wednesday 20% chance of  on Thursday 20% chance of  on Friday 20% chance of thunderstorms on Saturday 60% chance of thunderstorms on Sunday 20% chance of rain on Monday
High: 71 °F Low: 53°F High: 74°F High: 75°F High: 72°F High: 75°F High: 75°F High: 73°F
Low: 54°F Low: 55°F Low: 54°F Low: 57°F Low: 53°F  
Thunderstorms Thunderstorms Smoke Partly Sunny Partly Sunny Thunderstorms Thunderstorms Rain
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Current Conditions at
DECORAH - (KDEH)
68°
Clear
as of 5:15 AM CDST
Rel. Humidity: 88%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 29.75 in.
Flight Rule: VFR
Wind Data
5 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
PRAIRIE DU CHIEN - (KPDC)
73°
Mostly Cloudy
as of 5:15 AM CDST
Rel. Humidity: 64%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 29.76 in.
Flight Rule: VFR
Wind Data
5 MPH
200° South
Cloud Level(s): Broken at 6000ft
Current Conditions at
OELWEN - (KOLZ)
70°
Clear
as of 5:15 AM CDST
Rel. Humidity: 88%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 29.77 in.
Flight Rule: VFR
Wind Data
12 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
PRESTON - (KFKA)
66°
Mostly Clear
as of 5:15 AM CDST
Rel. Humidity: 100%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 29.75 in.
Flight Rule: VFR
Wind Data
8 MPH
240° Southwest
Cloud Level(s): Few at 12000ft
90% chance of thunderstorms Today Today... Showers and thunderstorms before 1pm, then showers and possibly a thunderstorm, mainly after 1pm. Temperature rising to near 71 by 9am, then falling to around 61 during the remainder of the day. South wind 7 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

70% chance of thunderstorms Tonight Tonight... Showers likely and possibly a thunderstorm before 11pm, then a slight chance of showers between 11pm and 2am. Areas of smoke after 1am. Cloudy, with a low around 53. North wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Smoke on Wednesday Wednesday... Patchy smoke before 11am. Mostly sunny, with a high near 74. Northeast wind around 6 mph.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 54. Light northeast wind.

20% chance of  Thursday Thursday... A 20 percent chance of showers after 1pm. Partly sunny, with a high near 75. Calm wind becoming east around 5 mph in the afternoon.

30% chance of thunderstorms Thursday Night Thursday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. East wind 3 to 5 mph. Chance of precipitation is 30%.

20% chance of  Friday Friday... A 20 percent chance of showers. Partly sunny, with a high near 72. East wind 5 to 7 mph.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 54. Northeast wind 3 to 6 mph.

20% chance of thunderstorms Saturday Saturday... A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 75. Light and variable wind becoming southeast around 6 mph in the morning.

30% chance of thunderstorms Saturday Night Saturday Night... A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 57. South wind 5 to 7 mph.

60% chance of thunderstorms Sunday Sunday... Showers and thunderstorms likely. Mostly sunny, with a high near 75. West wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

30% chance of thunderstorms Sunday Night Sunday Night... A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 53. West wind 7 to 9 mph.

20% chance of rain Monday Monday... A 20 percent chance of showers. Mostly sunny, with a high near 73. West wind 8 to 13 mph, with gusts as high as 21 mph.

Current Radar Image


Sun Almanac for Castalia, Iowa
Sunrise: 05:29 AM
Sunset: 8:41 PM
Civil Sunrise:04:54 AM
Civil Sunset: 9:16 PM
Nautical Sunrise: 04:09 AM
Nautical Sunset: 10:01 PM
Astro Sunrise: 03:15 AM
Astro Sunset: 10:55 PM
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