Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Monroe County Airport (KMNV)

Lat: 35.55°NLon: 84.38°WElev: 1031ft.

Fair

73°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 20 Aug 4:35 am EDT
Extended Forecast for

6 Miles W Sweetwater TN

  • Today

    Today: A chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 2pm.  Partly sunny and hot, with a high near 91. Heat index values as high as 99. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 30%.

    High: 91 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 4am.  Mostly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm.  Cloudy, then gradually becoming mostly sunny, with a high near 88. Calm wind becoming west around 5 mph.

    High: 88 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 90. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 90 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66. Northwest wind around 5 mph becoming calm.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 91. Heat index values as high as 99. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 4am. Mostly cloudy, with a low around 69. Calm wind.
Friday
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 88. Calm wind becoming west around 5 mph.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68. Calm wind.
Saturday
Sunny and hot, with a high near 90. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 66. Northwest wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 63.
Monday
Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 66.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W Sweetwater TN
 35.59°N 84.56°W (Elev. 1109 ft)
2:26 am EDT Aug 20, 2026
5am EDT Aug 20, 2026-6pm EDT Aug 26, 2026
 
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Additional Resources

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