Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

Marysville Union County Airport (KMRT)

Lat: 40.22°NLon: 83.35°WElev: 1021ft.

Fog/Mist

73°F

23°C

Humidity 100%
Wind Speed S 5 mph
Barometer 30.06 in
Dewpoint 73°F (23°C)
Visibility 4.00 mi
Last update 1 Jul 2:55 am EDT
Extended Forecast for

3 Miles E Raymond OH

Extreme Heat Warning July 1, 03:51am until July 2, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 1, 03:51am until July 2, 08:00pm

    NOW until 8:00pm Thu

    Extreme Heat Warning

  • Overnight

    Low: 74 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. Heat index values as high as 106. Southwest wind 6 to 9 mph.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73. Southwest wind 5 to 7 mph.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 95. Heat index values as high as 106. Light west wind becoming southwest 5 to 9 mph in the morning.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. Southwest wind 3 to 7 mph.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 94. Chance of precipitation is 20%.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm.  Mostly cloudy, with a low around 72. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Independence Day

    Independence Day: A chance of showers, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 91. Chance of precipitation is 50%.

    High: 91 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 74. West wind around 6 mph.
Wednesday
Sunny, with a high near 95. Heat index values as high as 106. Southwest wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 73. Southwest wind 5 to 7 mph.
Thursday
Sunny, with a high near 95. Heat index values as high as 106. Light west wind becoming southwest 5 to 9 mph in the morning.
Thursday Night
Mostly clear, with a low around 75. Southwest wind 3 to 7 mph.
Friday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
Independence Day
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Raymond OH
 40.24°N 83.31°W (Elev. 968 ft)
2:08 am EDT Jul 1, 2026
3am EDT Jul 1, 2026-6pm EDT Jul 7, 2026
 
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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