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Monroe, MI 48161 Weather
Current conditions
Observed at Monroe, Custer Airport · 1 hr ago
Forecast
10-day-
Tonight
Patchy fog after 2am. Mostly clear, with a low around 42. Southwest wind around 3 mph.
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Thursday
Patchy fog before 9am. Sunny, with a high near 68. North wind around 5 mph.
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Thursday Night
Patchy fog after 2am. Partly cloudy, with a low around 45. Northeast wind around 5 mph.
National Weather Service forecast updated 12 hrs ago.
Hourly
Hourly forecast- Now43°
- 5 AM42°
- 6 AM42°
- 7 AM42°
- 8 AM42°
- 9 AM44°
- 10 AM52°
- 11 AM57°
- 12 PM62°
- 1 PM65°
- 2 PM66°
- 3 PM67°
- 4 PM67°
- 5 PM67°
- 6 PM65°
- 7 PM60°
- 8 PM57°
- 9 PM55°
- 10 PM53°
- 11 PM51°
- Fri12 AM50°
- 1 AM49°
- 2 AM48°
- 3 AM47°
10-day forecast
Details- TonightOct 21Mostly Clear then Patchy Fog42°
- TodayOct 22Patchy Fog then Sunny45°68°
- FriOct 23Patchy Fog then Mostly Sunny43°64°
- SatOct 24Patchy Fog then Sunny42°64°
- SunOct 25Patchy Fog then Mostly Sunny45°69°
- MonOct 26Patchy Fog then Partly Sunny45°68°
- TueOct 27Partly Sunny10%43°62°
- WedOct 28Partly Sunny61°
- ThuOct 29Partly cloudy38°58°
- FriOct 30Cloudy46°64°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
Radar
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Air quality
Acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.
Toledo, OH reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Almanac
MonthlyDundee, records since 2000. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
Forecasters' discussion
From the National Weather Service office in DTX, issued 15 hrs ago
Key Messages
- Mild and dry through the week.
Dtw Threshold Probabilities
* None.
Prev Discussion
Issued at 312 AM EDT Wed Oct 21 2026
DISCUSSION...
The combination of clear skies under light east to southeasterly flow has resulted in the proliferation of dense fog through southern and central Michigan, and to a lesser extent across the Thumb. The favorable flow has brought about better moisture advection derived from Lake Erie inland, where continued advection along with gentle upsloping will see dense fog expand west and northwest through central MI. This will continue to promote fog across Monroe and Lenawee counties, where a dense fog advisory is in effect until 10 AM EDT. Portions of western Washtenaw, the Tri-Cities and Thumb will likely see periodic fog, possibly dense at times, through daybreak, with sunshine then works the lift and scour out fog through the remaining morning hours.
The familiar persistence forecast will again take hold today as high pressure sits over the Great Lakes, which will be reinforced through Friday as a longwave ridge expands through the Plains and Midwest/Great Lakes. Dry weather and above normal temperatures continue as a result through the weekend. Daytime highs will return into the upper 60s today and tomorrow and may make a push into the 70s by tomorrow afternoon. A very subtle decrease in highs (low to mid 60s) will be likely Friday with northeast flow coming off the lake, but as the aforementioned high pressure system starts to depart into the western Atlantic, low-level flow re-orients south to southwesterly, resulting in the gentle uptick in waa pushing highs back in the mid to upper 60s. Fog, dense at times, remains highly sensitive to wind direction as shallow lake moisture advection has been the main driver of recent events. Tomorrow morning fog is a possibility under clear skies, but the unfavorable flow lowers confidence relative to today. Friday morning will be much more conducive to advective fog given the light east to northeast flow off of Lake Huron and Saginaw Bay. Patchy to areas of dense fog will be possible through the Tri-Cities and Thumb with lowered confidence for the degree of expansion inland. Outside of morning fog concerns, dry and sunny weather continues through the weekend.
MARINE...
High pressure remains over the region through the end of the week resulting in benign marine conditions. The current high now centered over Quebec, will slowly shifts east through tonight with a dry cold front then passing southward early Thursday. This front will quickly be followed by another area of high pressure that will then hold through most of the weekend. Wind gusts will stay below 20 knots through the end of the week. Winds will be southerly today before flipping around to the north for Thursday behind the cold front early in the morning.
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.