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Sweetwater Weather Warning NWS WEATHER ALERT FOR THE SWEETWATER, TN AREA - Issued: 1214 AM EDT Fri Sep 18 2026 Sweetwater Weather Warning

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37874 Weather (Sweetwater, TN)

Sweetwater, TN WeatherCurrent Conditions and Weather for Sweetwater, Tennessee
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Clear at Sweetwater (37874), temperature is 69°F21°C, dew point 69°F21°C, humidity 100%. Wind direction is N at 0 mphat 0 km/h with visibility of 9 mi14 km. Barometric pressure is 30.21 in1023 mb. Last update: 3:14 am.*
*Time is approximately 3:14 am Fri, Sep 18, 2026. Time will be within 15 minutes of current local time. Sweetwater weather forecast data is updated every 15 minutes.

Weather Quote O' the Day

Oh, the snow it melts the soonest when the winds begin to sing; And the corn it ripens fastest when the frosts are setting in; And when a young man tells me that my face he'll soon forget, Before we part, I'd bet a crown, he'd be fain to follow it yet. ―Anne Briggs
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Sweetwater TN Weather - 3:14 am

Sweetwater Weather Forecast

Weather forecast for: Sweetwater TN
Last Update: 2:26 am EDT Sep 18, 2026
Overnight: Mostly clear, with a low around 70. Calm wind.
Friday: Sunny and hot, with a high near 94. Heat index values as high as 101. Calm wind becoming north around 5 mph in the afternoon.
Friday Night: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 69. Calm wind.
Saturday: A 10 percent chance of showers after 4pm. Sunny and hot, with a high near 93. Heat index values as high as 100. Calm wind becoming north around 5 mph.
Saturday Night: A chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers. Partly cloudy, with a low around 68. Calm wind. Chance of precipitation is 30%.
Sunday: A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Calm wind becoming southwest around 5 mph. Chance of precipitation is 20%.
Sunday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. Calm wind.
Monday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92.
Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 70%.
Tuesday Night: Showers and thunderstorms likely. Partly cloudy, with a low around 64. Chance of precipitation is 60%.
Wednesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Wednesday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Thursday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.

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