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Harrison, MI Weather
Current conditions
Observed at Houghton Lake, Roscommon County Airport · 1 hr ago
Forecast
10-day-
Tonight
Mostly clear. Low around 38, with temperatures rising to around 40 overnight. East southeast wind around 3 mph.
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Wednesday
Sunny, with a high near 66. Southwest wind 3 to 7 mph.
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Wednesday Night
Mostly clear, with a low around 42. Northwest wind around 3 mph.
National Weather Service forecast updated 5 hrs ago.
Hourly
Hourly forecast- Now42°
- 4 AM41°
- 5 AM40°
- 6 AM39°
- 7 AM38°
- 8 AM39°
- 9 AM41°
- 10 AM47°
- 11 AM52°
- 12 PM58°
- 1 PM61°
- 2 PM64°
- 3 PM65°
- 4 PM65°
- 5 PM66°
- 6 PM63°
- 7 PM59°
- 8 PM56°
- 9 PM51°
- 10 PM48°
- 11 PM47°
- Thu12 AM46°
- 1 AM45°
- 2 AM44°
10-day forecast
Details- TonightOct 20Mostly Clear38°
- TodayOct 21Sunny42°66°
- ThuOct 22Mostly Sunny36°64°
- FriOct 23Sunny37°61°
- SatOct 24Mostly Sunny46°64°
- SunOct 25Partly Sunny12%43°67°
- MonOct 26Partly Sunny13%36°59°
- TueOct 27Mostly Sunny10%51°
- WedOct 28Partly cloudy31°50°
- ThuOct 29Partly cloudy35°53°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
Radar
Full mapWeather news in Michigan
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Air quality
Air quality is satisfactory, and air pollution poses little or no risk.
Forecast
- WedModerate
- ThuModerate
- FriModerate
Mt Pleasant, MI reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Almanac
MonthlyGladwin, records since 1892. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
- Mount Pleasant 47 km
- Cadillac 55 km
- Houghton Lake 33 km
- Clare 22 km
- Gladwin 25 km
- Saint Helen 49 km
- Reed City 59 km
- West Branch 53 km
Forecasters' discussion
From the National Weather Service office in GRR, issued 1 hr ago
Key Messages
- Quiet Weather through the Weekend
- Height falls with showers then cooler next week
Discussion
Issued at 202 AM EDT Wed Oct 21 2026
- Quiet Weather through the Weekend
The dry weather pattern continues this week under upper and surface ridging. The next chance for rain is not until early next week. A slowly progressive pattern sees the ridge being flattened by northern stream troughing early next week with a cold front bringing showers while slowly pushing south through the Great Lakes.
- Height falls with showers then cooler next week
There are some indications the front could stall near Lower Michigan with a surface low moving along it for Tuesday or Wednesday. Upper troughing follows with the potential for sharply colder temperatures for the rest of next week.
Aviation
Issued at 202 AM EDT Wed Oct 21 2026
Shallow ground fog overnight will bring IFR and even some LIFR conditions at times. The fog will dissipate after sunrise. VFR conditions will prevail for Wednesday with winds remaining blo 10 knots.
Marine
Issued at 202 AM EDT Wed Oct 21 2026
Winds and waves will remain relatively calm through the week then increase during the weekend.
Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.