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Johnston, Iowa Weather

Johnston, Iowa — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery for Johnston, Polk County.

🌡️ Current Conditions
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24-Hour Forecast
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Current Conditions Detail
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7-Day Forecast
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✈️ Aviation Weather

Flight conditions near Johnston — sourced from the FAA Aviation Weather Center. Nearest reporting station: locating…

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NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Johnston and surroundings — RainViewer.

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🛰️ Satellite Imagery

NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.

NOAA GOES-16 CONUS GEOCOLOR satellite animated loop
🛰️ GEOCOLOR loop 🌡️ Infrared (IR) 🌀 NHC Hurricane Satellite 🔗 NOAA Full Viewer

Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload

🌙 Astronomy
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About Johnston, Iowa

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.

LocationJohnston, Polk County, Iowa
Coordinates41.673044°N, 93.697721°W
TimezoneCentral Time (America/Chicago)
ZIP Code(s)50131
Area Code515
Page generatedJune 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service