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Pontiac, MI 48340 Weather
Current conditions
Observed at Coleman A Young Municipal Airport · 38 min ago
Forecast
10-day-
Tonight
Widespread fog after 10pm. Partly cloudy. Low around 44, with temperatures rising to around 46 overnight. Northeast wind around 5 mph.
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Friday
Widespread fog before 9am. Mostly sunny, with a high near 64. East wind around 5 mph.
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Friday Night
Patchy fog after 2am. Mostly clear, with a low around 42. East southeast wind around 3 mph.
National Weather Service forecast updated 4 hrs ago.
Hourly
Hourly forecast- Now52°
- 10 PM49°
- 11 PM48°
- Fri12 AM47°
- 1 AM47°
- 2 AM46°
- 3 AM47°
- 4 AM46°
- 5 AM46°
- 6 AM45°
- 7 AM45°
- 8 AM45°
- 9 AM46°
- 10 AM50°
- 11 AM53°
- 12 PM57°
- 1 PM60°
- 2 PM62°
- 3 PM63°
- 4 PM64°
- 5 PM63°
- 6 PM62°
- 7 PM58°
- 8 PM53°
10-day forecast
Details- TodayOct 22Sunny44°67°
- FriOct 23Widespread Fog then Mostly Sunny42°64°
- SatOct 24Patchy Fog then Sunny44°65°
- SunOct 25Patchy Fog then Mostly Sunny48°68°
- MonOct 26Patchy Fog then Partly Sunny42°64°
- TueOct 27Partly Sunny39°57°
- WedOct 28Partly Sunny14%44°61°
- ThuOct 29Showers0.17 in40°56°
- FriOct 30Partly cloudy35°48°
- SatOct 31Sunny34°50°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
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Air quality
Acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.
Forecast
- ThuModerate
- FriModerate
Southeast, MI reporting area · 2 hrs ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Nearby
Forecasters' discussion
From the National Weather Service office in DTX, issued 2 hrs ago
Key Messages
- The potential exists for dense fog development each of the daybreak periods Friday through Monday. Any fog that will develop is expected to dissipate or lift by 10 am.
- Mild and dry through the middle of next week.
Dtw Threshold Probabilities
* Low for cigs/vsby to fall below 200 ft and/or 1/2SM.
Prev Discussion
Issued at 244 PM EDT Thu Oct 22 2026
DISCUSSION...
An anomalous upper level ridge advancing into central sections of far northern Canada will open the door to the rapid amplification of an Omega Block over the central Contiguous United States for the end of the work week. Upper level high pressure will then stall out and impact the forecast area through Monday of next week. Quite the structure with H3 heights reaching 588 dam over portions of the Lower Peninsula this weekend and +13C 850mb temperatures advecting well into Hudson Bay. Ideal mid Autumn conditions with high temperatures reaching the middle to upper 60s, 5 to 10 degrees above normal, and lows falling into the 40s.
The only weather of significance the next few days will be br and fog chances during the daybreak periods. A better setup for fog will be Friday morning with onshore flow advecting a marine airmass inland. The relatively warm lakes will offer higher dewpoints that combined with weak flow will provide for saturation potential. Surface condensation pressure deficits support fog beginning in the tip of the Thumb tonight before expanding southeastward through all of the area. The fog potential for Saturday morning looks to be the greatest near Lake Erie before expanding westward. Could see a scenario where the Detroit urban heat islands remain just warm enough to dissuade the fog formation. Persistent light easterly wind should bring more fog chances Sunday morning. Will likely add areas of fog in the forecast for tonight/Friday morning and maintain the patchy mention this weekend.
Models suggest the amplitude of the omega will shear off or flatten by Monday. Indications are that a weak cold front could push southward invof Southeast Michigan, however, current data suggests a dominance of anticyclonic flow trajectories that will not favor large scale synoptic ascent. Preference is for a dry forecast through next Wednesday.
MARINE...
Dtx Watches
MI...None. Lake Huron...None. Lake St Clair...None. Michigan waters of Lake Erie...None.
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 4Search index and reflects what the press published. Terms of use.