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

77°F

25°C

Humidity 94%
Wind Speed SW 3 mph
Barometer 29.99 in (1014.9 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 2 Sep 1:53 am EDT
Extended Forecast for

3 Miles SSE Bryan OH

Heat Advisory September 2, 02:10am until September 2, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 2, 02:10am until September 2, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Overnight

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 93. Heat index values as high as 103. Southwest wind 5 to 10 mph.

    High: 93 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73. Southwest wind 5 to 10 mph.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 98. 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%.

    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 87. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly after 2am. Partly 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

Detailed Forecast

Overnight
Mostly clear, with a low around 73. Southwest wind around 5 mph.
Wednesday
Sunny and hot, with a high near 93. Heat index values as high as 103. Southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 73. Southwest wind 5 to 10 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 98. 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%.
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 87. Chance of precipitation is 60%. 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. Partly 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
Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 57.
Labor Day
A 20 percent chance of showers. Mostly sunny, with a high near 82.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Bryan OH
 41.44°N 84.52°W (Elev. 725 ft)
Last Update:
2:01 am EDT Sep 2, 2026
Forecast Valid:
2am EDT Sep 2, 2026-6pm EDT Sep 8, 2026
 
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Additional Resources

Radar & Satellite Image

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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