Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Hazardous Weather Conditions

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Mostly Cloudy

72°F

22°C

Humidity 91%
Wind Speed S 6 mph
Barometer 30.10 in (1018.5 mb)
Dewpoint 69°F (21°C)
Visibility 9.00 mi
Last update 18 Jun 7:53 am EDT
Extended Forecast for

5 Miles NW McDonald TN

  • Today

    Today: Showers and thunderstorms likely, mainly before 5pm.  Partly sunny, with a high near 87. Heat index values as high as 95. Southwest wind 5 to 10 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    Showers then
    T-storms
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms after 3am.  Partly cloudy, with a low around 71. South wind around 5 mph.  Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Showers and thunderstorms, mainly before 5pm, then showers and possibly a thunderstorm after 5pm.  High near 86. Southwest wind 5 to 10 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    Showers then
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Cloudy, then gradually becoming partly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm.

    Low: 68 °F

    Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 89. Calm wind.

    High: 89 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Clear, with a low around 67. Calm wind.

    Low: 67 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 92. Calm wind.

    High: 92 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 70.

    Low: 70 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 93.

    High: 93 °F

    Hot

Detailed Forecast

Today
Showers and thunderstorms likely, mainly before 5pm. Partly sunny, with a high near 87. Heat index values as high as 95. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 71. South wind around 5 mph. Chance of precipitation is 30%.
Juneteenth
Showers and thunderstorms, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. High near 86. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 89. Calm wind.
Friday Night
Clear, with a low around 67. Calm wind.
Saturday
Sunny and hot, with a high near 92. Calm wind.
Saturday Night
Clear, with a low around 70.
Sunday
Sunny and hot, with a high near 93.
Sunday Night
Clear, with a low around 72.
Monday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 94.
Monday Night
A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 72.
Tuesday
A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW McDonald TN
 35.15°N 85.07°W (Elev. 699 ft)
7:16 am EDT Jun 18, 2025
8am EDT Jun 18, 2025-6pm EDT Jun 24, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database