Johnston, Iowa — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, soil and crop conditions for Johnston, Polk County.
Flight conditions near Johnston. Data source: locating…
Soil conditions, frost risk and crop weather for Johnston.
Johnston unfolds as a landscape of gentle, rolling terrain, where the rich, dark Iowa soil stretches towards horizons often softened by a haze of summer heat. It lies 3.3 miles north-north-east of Urbandale, IA (from Urbandale, IA: bearing 13°T), and is situated 6.8 miles north-west of Des Moines. Fields of corn and soybeans, vibrant green and gold depending on the season, dominate the panorama, their orderly rows a testament to human cultivation against the vast, open sky. Here and there, stands of mature trees, often oak and elm, punctuate the agricultural tapestry, their branches casting dappled shadows that shift with the sun's slow arc. The air itself carries a particular scent, a blend of freshly turned earth and the sweet, dry perfume of ripening crops, a constant reminder of the land's enduring bounty. The story of Johnston is one of agricultural roots, a place that grew from the industrious spirit of pioneers who saw promise in this fertile ground. While once primarily a farming community, its character has evolved, embracing a more diverse economy that now includes a significant presence in insurance and technology sectors, a notable shift from its agrarian origins. This evolution is visible in the blend of older, established neighborhoods with newer developments, a quiet evolution rather than a dramatic transformation. The Raccoon River, though not a central feature of Johnston itself, flows nearby, its presence a subtle influence on the region's hydrology and a quiet whisper of the natural world that underpins the area's development.
Live animated radar for Johnston 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 | Johnston, Polk County, Iowa |
| Coordinates | 41.673044°N, 93.697721°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 50131 |
| Area Code | 515 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
This page provides live weather conditions and forecasts for Johnston, 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 Johnston includes coordinates 41.673044°N, 93.697721°W, situated in Polk County. ZIP code 50131. 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.