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Heavy Rain in the Southern Appalachians; Heat Continues in the West; Monitoring Tropical Storm Erin

Heavy to excessive rain falling over the southern Appalachians may bring areas of flooding into Wednesday. Hot temperatures are in place through Wednesday across parts of the western U.S. and New England. Tropical Storm Erin is forecast to become a Hurricane by late this week as it moves westward across the central Atlantic Ocean. Monitor forecasts for any Puerto Rico or U.S. East Coast impacts. Read More >

Hazardous Weather Conditions

Current conditions at

Haines Memorial Airport (KHAI)

Lat: 41.96°NLon: 85.59°WElev: 823ft.

Fog/Mist

70°F

21°C

Humidity 94%
Wind Speed W 2 mph
Barometer 29.90 in
Dewpoint 68°F (20°C)
Visibility 7.00 mi
Last update 13 Aug 2:55 am EDT
Extended Forecast for

Mendon MI

  • Overnight

    Overnight: A 20 percent chance of showers. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 69. Southwest wind around 5 mph.

    Low: 69 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 84. Light west wind becoming northwest 5 to 10 mph in the afternoon.

    High: 84 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. Northwest wind around 5 mph.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. Northeast wind around 5 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. East wind around 5 mph becoming calm.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 92.

    High: 92 °F

    Hot

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.

    Low: 69 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
A 20 percent chance of showers. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 69. Southwest wind around 5 mph.
Wednesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 84. Light west wind becoming northwest 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 59. Northwest wind around 5 mph.
Thursday
Sunny, with a high near 84. Northeast wind around 5 mph.
Thursday Night
Mostly clear, with a low around 61. East wind around 5 mph becoming calm.
Friday
Sunny, with a high near 87.
Friday Night
Clear, with a low around 65.
Saturday
Sunny and hot, with a high near 92.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 88.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Tuesday
A chance of showers. Partly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mendon MI
 42.02°N 85.46°W (Elev. 860 ft)
Last Update:
2:59 am EDT Aug 13, 2025
Forecast Valid:
3am EDT Aug 13, 2025-6pm EDT Aug 19, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation