National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Haines Memorial Airport (KHAI)

Lat: 41.96°NLon: 85.59°WElev: 823ft.

Fair

68°F

20°C

Humidity 69%
Wind Speed Vrbl 5 mph
Barometer 30.18 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 18 Sep 8:35 pm EDT
Extended Forecast for

Mendon MI

Flood Watch September 19, 02:00am until September 20, 08:00am
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 56. East wind around 5 mph.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8am. Some of the storms could produce heavy rainfall. High near 71. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 71 °F

    Heavy Rain

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 60. Southeast wind around 5 mph becoming southwest after midnight. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 60 °F

    Showers

  • Sunday

    Sunday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 69. Northeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 69 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly before 8pm. Mostly cloudy, with a low around 51. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 51 °F

    Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers, mainly before 2pm. Mostly cloudy, with a high near 64.

    High: 64 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 10 percent chance of showers before 8pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly before 8pm. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 56. East wind around 5 mph.
Saturday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8am. Some of the storms could produce heavy rainfall. High near 71. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 60. Southeast wind around 5 mph becoming southwest after midnight. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 69. Northeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A 30 percent chance of showers, mainly before 8pm. Mostly cloudy, with a low around 51. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
A 40 percent chance of showers, mainly before 2pm. Mostly cloudy, with a high near 64.
Monday Night
A 10 percent chance of showers before 8pm. Mostly cloudy, with a low around 47.
Tuesday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 64.
Tuesday Night
A 30 percent chance of showers, mainly before 8pm. Mostly cloudy, with a low around 49.
Wednesday
A 20 percent chance of showers before 2pm. Mostly cloudy, with a high near 63.
Wednesday Night
Mostly cloudy, with a low around 50.
Thursday
Partly sunny, with a high near 67.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mendon MI
 42.02°N 85.46°W (Elev. 860 ft)
Last Update:
8:30 pm EDT Sep 18, 2026
Forecast Valid:
8pm EDT Sep 18, 2026-6pm EDT Sep 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation