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

Hazardous Weather Conditions

Current conditions at

Urbana Grimes Field (KI74)

Lat: 40.13°NLon: 83.75°WElev: 1067ft.

Partly Cloudy

86°F

30°C

Humidity 75%
Wind Speed SW 5 mph
Barometer 30.15 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 2 Jul 11:55 am EDT
Extended Forecast for

Mechanicsburg OH

Extreme Heat Warning July 2, 12:03pm until July 3, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 2, 12:03pm until July 3, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • This Afternoon

    High: 93 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 74. West wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 94. Heat index values as high as 103. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 72. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Independence Day

    Independence Day: Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 92. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Mostly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 70. 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

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 60%.

    High: 89 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 93. Heat index values as high as 103. West wind around 6 mph.
Tonight
Mostly clear, with a low around 74. West wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 94. Heat index values as high as 103. Calm wind becoming west 5 to 7 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Independence Day
Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 92. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 70. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Monday
Partly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mechanicsburg OH
 40.08°N 83.56°W (Elev. 1099 ft)
Last Update:
6:00 am EDT Jul 2, 2026
Forecast Valid:
12pm EDT Jul 2, 2026-6pm EDT Jul 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