Castalia, Iowa Weather
Castalia, Iowa — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Castalia, Winneshiek County.
Full aviation weather for Castalia is published on the George L Scott Municipal Airport (K3Y2) page, 17 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 6 airfields within reach of Castalia have their own pages, listed below.
The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.
Other airports near Castalia: Decorah Municipal Airport (KDEH) 19 km · Monona Municipal Airport (K7C3) 28 km · Prairie Du Chien Municipal Airport (KPDC) 46 km · Ellen Church Field (KCJJ) 46 km · Oelwein Municipal Airport (KOLZ) 54 km
Conditions reported at K3Y2 describe the airfield itself. Weather 17 km away can differ, particularly in terrain or near the coast. For conditions at Castalia specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Castalia.
About Castalia, Iowa
Castalia breathes the quietude of the rolling hills, a landscape sculpted by the patient hand of water and wind. It lies 51.8 miles west-north-west of Grant, WI (from Grant, WI: bearing 284°T), and is situated 5.8 miles west-north-west of Postville. Here, the earth rises and falls in broad, sweeping gestures, culminating in broad, fertile valleys where corn and soybeans stretch towards an immense sky. The air, especially in the late afternoon, carries a faint, sweet scent of drying grasses and distant woodsmoke, a fragrance that clings to the very fabric of the place. Small creeks, mere silver threads in the green expanse, meander through pastures and woodlands, their gentle murmur a constant counterpoint to the rustle of leaves and the occasional call of a hawk circling overhead. The history of Castalia is etched not in grand monuments, but in the enduring spirit of the land and the people who have worked it. This corner of Winneshiek County, like many in northeastern Iowa, was settled by hardy immigrants drawn to the rich soil and the promise of a life built by their own hands. The local economy has long been tied to agriculture, a legacy evident in the well-maintained farmsteads that dot the countryside and the steady hum of tractors in the fields during planting and harvest seasons. While Castalia itself is a small settlement, its character is defined by this deep connection to the earth, a resilience that has weathered changing times and economic shifts, leaving behind a community that values continuity and the simple, profound strength of the land.
Live animated radar for Castalia and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | Castalia, Winneshiek County, Iowa |
| Coordinates | 43.111922°N, 91.676262°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 52133 |
| Area Code | 712 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Castalia, Iowa Weather Page
This page provides live weather conditions and forecasts for Castalia, Iowa, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Castalia includes coordinates 43.111922°N, 91.676262°W, situated in Winneshiek County. ZIP code 52133. Telephone area code: 712. Timezone: Central Time (America/Chicago).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.
