St. Ignace, Michigan — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for St. Ignace, Mackinac County.
Full aviation weather for St. Ignace is published on the Mackinac Island Airport (KMCD) page, 7 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. 5 airfields within reach of St. Ignace 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 St. Ignace: Cheboygan County Airport (KSLH) 29 km · Pellston Regional Airport of Emmet County Airport (KPLN) 34 km · Chippewa County International Airport (KCIU) 46 km · Harbor Springs Airport (KMGN) 51 km
Conditions reported at KMCD describe the airfield itself. Weather 7 km away can differ, particularly in terrain or near the coast. For conditions at St. Ignace specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for St. Ignace.
St. Ignace greets the traveler with the bracing scent of pine and the endless expanse of Lake Huron's Straits. It lies 123.9 miles east-north-east of Door, WI (from Door, WI: bearing 64°T), and is situated 5.9 miles north of Mackinaw City. The land here, a rugged sweep of Precambrian rock smoothed by millennia of wind and ice, rises gently from the water's edge, cloaking itself in dense forests of birch and spruce that whisper secrets of the north. Along the shoreline, weathered docks jut into the cool, clear water, their pilings encrusted with a patina of algae and time, while the air itself carries a crispness that speaks of the vast, untamed wilderness that presses in from all sides. The sky above often wears a dramatic palette, especially as the sun begins its slow descent, painting the western horizon with strokes of fiery orange and soft lavender, a daily benediction upon this northern outpost. This is a place etched by the passage of peoples, from the Anishinaabe who first navigated these waters to the Jesuit missionaries who established a mission here in the 17th century, lending the settlement its enduring name. The economic pulse of St. Ignace has long been tied to the Straits, initially to the fur trade and later to the vital ferry crossings that connect the Upper and Lower Peninsulas, a constant ebb and flow of humanity and commerce. Today, the echoes of that history mingle with the hum of tourism, as visitors are drawn to the raw beauty of the surrounding landscape, the gateway to Pictured Rocks National Lakeshore and the ferry docks that beckon toward Mackinac Island. The distinctive character of St. Ignace is one of resilient endurance, a quiet strength drawn from its proximity to the great lakes and the enduring wildness of the Upper Peninsula.
Live animated radar for St. Ignace 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 | St. Ignace, Mackinac County, Michigan |
| Coordinates | 45.868624°N, 84.727828°W |
| Timezone | Eastern Time (America/Detroit) |
| ZIP Code(s) | 49781 |
| Area Code | 906 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
This page provides live weather conditions and forecasts for St. Ignace, Michigan, 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 St. Ignace includes coordinates 45.868624°N, 84.727828°W, situated in Mackinac County. ZIP code 49781. Telephone area code: 906. Timezone: Eastern Time (America/Detroit).
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.