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

Hazardous Weather Conditions

Current conditions at

Defiance, Defiance Memorial Airport (KDFI)

Lat: 41.34°NLon: 84.43°WElev: 705ft.

Fair

82°F

28°C

Humidity 77%
Wind Speed SW 7 mph
Barometer 30.01 in (1015.8 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 2 Sep 9:53 am EDT
Extended Forecast for

Montpelier OH

Heat Advisory September 2, 10:32am until September 2, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 2, 10:32am until September 2, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Today

    High: 93 °F

    Hot

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms after 4am. Mostly clear, with a low around 72. Southwest wind 5 to 10 mph.

    Low: 72 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Sunny and hot, with a high near 91. Heat index values as high as 99. Southwest wind 5 to 10 mph.

    High: 91 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Calm wind becoming northeast around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny and hot, with a high near 93. Heat index values as high as 103. Southwest wind 5 to 10 mph.
Tonight
A 10 percent chance of showers and thunderstorms after 4am. Mostly clear, with a low around 72. Southwest wind 5 to 10 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Sunny and hot, with a high near 91. Heat index values as high as 99. Southwest wind 5 to 10 mph.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely and possibly a thunderstorm before 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Calm wind becoming northeast around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 66.
Saturday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 57.
Labor Day
A 20 percent chance of showers. Mostly sunny, with a high near 81.
Monday Night
A 10 percent chance of showers. Mostly cloudy, with a low around 58.
Tuesday
Partly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Montpelier OH
 41.58°N 84.6°W (Elev. 856 ft)
Last Update:
10:18 am EDT Sep 2, 2026
Forecast Valid:
10am EDT Sep 2, 2026-6pm EDT Sep 8, 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