Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Morristown Moore-Murrell Airport (KMOR)

Lat: 36.18°NLon: 83.38°WElev: 1313ft.

Mostly Cloudy

72°F

22°C

Humidity 100%
Wind Speed Vrbl 5 mph
Barometer 30.03 in
Dewpoint 72°F (22°C)
Visibility 9.00 mi
Last update 18 Aug 1:15 am EDT
Extended Forecast for

Jefferson City TN

  • Overnight

    Overnight: Patchy fog before 2am, then patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am.  Otherwise, partly sunny, with a high near 87. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 87 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 90. Calm wind.

    High: 90 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 11am.  Partly sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 30%.

    High: 89 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 69. Calm wind.  Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 87. Chance of precipitation is 60%.

    High: 87 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am.  Partly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely then
    Chance
    Showers

Detailed Forecast

Overnight
Patchy fog before 2am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 71. Calm wind.
Tuesday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 87. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 67. Calm wind.
Wednesday
Mostly sunny and hot, with a high near 90. Calm wind.
Wednesday Night
Mostly clear, with a low around 70. Calm wind.
Thursday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 40%.
Friday
A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 67. Chance of precipitation is 60%.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 87.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 64.
Monday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Jefferson City TN
 36.13°N 83.48°W (Elev. 1099 ft)
1:06 am EDT Aug 18, 2026
1am EDT Aug 18, 2026-6pm EDT Aug 24, 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