Sigma, Michigan
Sigma: a city in Kalkaska County, Michigan.
About
Sigma is a city located in the county of Kalkaska in the U.S. state of Michigan.
Quick Facts about Sigma
| State | Michigan (United States) |
| County | Kalkaska County |
| Latitude & Longitude | 44.6700,-85.0534 |
| Time Zone | America/Detroit |
| Local time | 14:39:00 (8th November 2026) |
| Weather | 29℉ Partly Cloudy 7-days weather |
Geography
Sigma is located at 44°40'12"N 85°3'12"W (44.6700100, -85.0533800).
Sigma map
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Weather
29°F
Partly Cloudy
5 to 10 mph SW
Tonight
Partly cloudy. Low around 29, with temperatures rising to around 36 overnight. Southwest wind 5 to 10 mph.
7-Day ForecastNearby Schools and Colleges
Schools and campuses linked to Sigma, MI. Select a name to open its map and contact details.
| Code | Name | City | ZIP |
|---|---|---|---|
| 170587 | Kirtland Community College | Grayling (MI) | 49738 |
| 171483 | Northwestern Michigan College | Traverse City (MI) | 49686 |
| 421665 | Cadillac Institute of Cosmetology | Cadillac (MI) | 49601-1800 |
Nearby Transit Stations (13)
Rail and bus stations connected to Sigma, MI. Select a station to open its map and address details.
| Code | Name | Address | Type |
|---|---|---|---|
| KGS | Kingsley, Michigan | 119 E. Main St. | BUS |
| MTO | Manton, Michigan | Junction U.S. 131 & M-42 | BUS |
| TRV | Traverse City, Michigan | 107 Hall Street | BUS |
| CLC | Cadillac, Michigan | 1202 North Mitchell St. | BUS |
| BYC | Boyne City, Michigan | 1000 East Division St. | BUS |
Closest post offices linked to Sigma.
| Post Office Name | City | ZIP |
|---|---|---|
| Kalkaska Post Office | Kalkaska (MI) | 49646 |
| South Boardman Post Office | South Boardman (MI) | 49680 |
| Fife Lak Post Office | Fife Lake (MI) | 49633 |
| Mancelona Post Office | Mancelona (MI) | 49659 |
| Rapid City Post Office | Rapid City (MI) | 49676 |