Grinnell, Iowa Weather
Grinnell, Iowa — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery for Grinnell, Poweshiek County.
Flight conditions near Grinnell. Data source: locating…
About Grinnell, Iowa
Grinnell unfolds across a landscape of broad, fertile plains, where fields of corn and soybeans stretch towards horizons that seem to hold the entire sky. It lies 23.2 miles south-south-east of Marshalltown, IA (from Marshalltown, IA: bearing 156°T), and is situated 9.7 miles east of Kellogg. The land itself, gently rolling and deeply tilled, speaks of generations of careful cultivation, a quiet testament to the enduring partnership between people and soil. In the late afternoon, the sun, low and golden, casts long shadows across the cultivated earth, painting the scene with a soft, almost tangible warmth that lingers even after the light begins to fade. The air, carrying the faint, sweet scent of ripening grain, hums with the low thrum of distant farm equipment, a constant, reassuring pulse. The roots of Grinnell run deep, tracing back to the late 19th century when it was established as a stop along a burgeoning railroad line. This early connection to commerce and travel helped shape its character, fostering a spirit of enterprise that continues to define its local economy, still heavily influenced by agriculture and the industries that support it. A notable landmark, the historic Grinnell College, lends an intellectual vibrancy to the town, its stately buildings and manicured grounds a distinctive presence amidst the surrounding prairie. This blend of pragmatic farming heritage and academic pursuit creates a unique rhythm in Grinnell, a place where the steadfastness of the land meets a forward-looking curiosity.
Live animated radar for Grinnell 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 | Grinnell, Poweshiek County, Iowa |
| Coordinates | 41.743049°N, 92.722412°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 50112 |
| Area Code | 515 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Grinnell, Iowa Weather Page
This page provides live weather conditions and forecasts for Grinnell, Iowa, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modeled estimate shown when no station is in range), precipitation radar and NOAA GOES-16 satellite imagery. 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 Grinnell includes coordinates 41.743049°N, 92.722412°W, situated in Poweshiek County. ZIP code 50112. Telephone area code: 515. Timezone: Central Time (America/Chicago).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. Aviation data is sourced from aviationweather.gov (NOAA), with a modeled estimate used where no nearby reporting station is available. 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.
