National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Tullahoma Regional Airport/William Northern Field (KTHA)

Lat: 35.38°NLon: 86.25°WElev: 1083ft.

Mostly Cloudy

72°F

22°C

Humidity 94%
Wind Speed S 5 mph
Barometer 30.04 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 12 Jul 4:15 am CDT
Extended Forecast for

Arnold AFB TN

Flood Watch July 12, 04:31am until July 12, 06:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 12, 04:31am until July 12, 06:00pm

    NOW until 6:00pm Sun

    Flood Watch

  • Overnight

    Low: 69 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 4pm, then showers and thunderstorms likely after 4pm. High near 82. South wind around 5 mph becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Chance
    T-storms then
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 1am, then a chance of showers. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 68. West northwest wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Showers
    Likely and
    Patchy Fog

  • Monday

    Monday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 81. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 80%.

    High: 81 °F

    Chance
    T-storms then
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Low around 67. North northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.

    Low: 67 °F

    Showers then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 83. Calm wind becoming east southeast around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 83 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Calm wind becoming south southwest around 5 mph.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Southwest wind around 5 mph.
Sunday
Showers and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 4pm, then showers and thunderstorms likely after 4pm. High near 82. South wind around 5 mph becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and thunderstorms likely before 1am, then a chance of showers. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 68. West northwest wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 81. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 80%.
Monday Night
Showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Low around 67. North northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Tuesday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 83. Calm wind becoming east southeast around 5 mph in the afternoon. Chance of precipitation is 70%.
Tuesday Night
Partly cloudy, with a low around 68. Calm wind.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Calm wind becoming south southwest around 5 mph.
Wednesday Night
Partly cloudy, with a low around 69. Calm wind.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88.
Thursday Night
Partly cloudy, with a low around 70.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 71.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arnold AFB TN
 35.39°N 86.15°W (Elev. 1063 ft)
Last Update:
1:31 am CDT Jul 12, 2026
Forecast Valid:
4am CDT Jul 12, 2026-6pm CDT Jul 18, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation