Merrillville, Indiana Weather
Merrillville, Indiana — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Merrillville, Lake County.
Full aviation weather for Merrillville is published on the Hobart Sky Ranch Airport (K3HO) page, 10 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 Merrillville 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 Merrillville: Gary/Chicago International Airport (KGYY) 16 km · Lansing Municipal Airport (KIGQ) 17 km · Porter County Municipal Airport (KVPZ) 27 km · Bult Field (KC56) 31 km · Lowell Airport (KC97) 32 km
Conditions reported at K3HO describe the airfield itself. Weather 10 km away can differ, particularly in terrain or near the coast. For conditions at Merrillville specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Merrillville.
About Merrillville, Indiana
Merrillville unfolds across a landscape shaped by the gentle, rolling terrain of northwestern Indiana, where the broad, open skies lend a certain expansiveness to the horizon. It lies 1.7 miles west-south-west of Lake, IN (from Lake, IN: bearing 254°T), and is situated 7.7 miles south of Gary. The land here is a muted green in the summer, a tapestry of cultivated fields and suburban sprawl giving way to the occasional whisper of oak-hickory woodlands. Creeks, like the Willow Creek, meander through the area, their banks often softened by reeds and the persistent hum of insects, a subtle counterpoint to the steady murmur of traffic on the main thoroughfares. During the twilight hours, the light settles with a soft, golden hue, catching the cultivated surfaces of lawns and the distant gleam of streetlights, hinting at the quiet industry that underpins the daily life of Merrillville. The character of Merrillville is deeply interwoven with the agricultural heritage of Lake County, a legacy that still echoes in the surrounding fields, though the local economy has broadened considerably. Once a hub for agriculture and later for robust industrial activity, the area now thrives on a diverse blend of retail, services, and a growing presence in the logistics sector, drawn by its strategic position. The presence of the South Shore Line, a commuter railway, connects Merrillville to larger urban centers, imbuing the town with a sense of accessible opportunity. Notable landmarks, such as the iconic Star Plaza Theatre, have long served as cultural anchors, drawing crowds and fostering a shared experience for residents and visitors alike, a testament to the enduring spirit of community that defines this corner of Indiana.
Live animated radar for Merrillville 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 | Merrillville, Lake County, Indiana |
| Coordinates | 41.482814°N, 87.332814°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 46410, 46411, 46307 |
| Area Code | 260 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Merrillville, Indiana Weather Page
This page provides live weather conditions and forecasts for Merrillville, Indiana, 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 Merrillville includes coordinates 41.482814°N, 87.332814°W, situated in Lake County. ZIP code 46410, 46411, 46307. Telephone area code: 260. 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.
