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

93°F

34°C

Humidity 52%
Wind Speed SW 10 G 20 mph
Barometer 29.98 in (1014.5 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 2 Sep 2:53 pm EDT
Extended Forecast for

Montpelier OH

Heat Advisory September 2, 03:15pm until September 2, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 2, 03:15pm until September 2, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 93 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 72. Southwest wind 5 to 10 mph.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 3pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 99. West wind 5 to 10 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Partly cloudy, with a low around 70. West wind around 5 mph becoming calm. Chance of precipitation is 60%.

    Low: 70 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers and thunderstorms likely before 11am, then a chance of showers between 11am and 2pm. Partly sunny, with a high near 86. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm, mainly after 2am. Partly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 58. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 93. Heat index values as high as 101. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 72. Southwest wind 5 to 10 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 3pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 99. West wind 5 to 10 mph.
Thursday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Partly cloudy, with a low around 70. West wind around 5 mph becoming calm. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely before 11am, then a chance of showers between 11am and 2pm. Partly sunny, with a high near 86. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm, mainly after 2am. Partly cloudy, with a low around 66. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Saturday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 57.
Labor Day
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Montpelier OH
 41.58°N 84.6°W (Elev. 856 ft)
Last Update:
2:30 pm EDT Sep 2, 2026
Forecast Valid:
3pm 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