Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Current conditions at

Tullahoma Regional Airport/William Northern Field (KTHA)

Lat: 35.38°NLon: 86.25°WElev: 1083ft.

Overcast

79°F

26°C

Humidity 74%
Wind Speed W 5 mph
Barometer 30.09 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 24 Jul 5:35 pm CDT
Extended Forecast for

5 Miles SE Arnold AFB TN

  • Tonight

    Tonight: A 10 percent chance of showers after 5am.  Mostly cloudy, with a low around 68. Northwest wind around 5 mph becoming calm.

    Low: 68 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 4pm.  Partly sunny, with a high near 84. Calm wind.

    High: 84 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am.  Mostly cloudy, with a low around 70. Calm wind.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 70 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers before 7am.  Mostly sunny, with a high near 88. Heat index values as high as 98. Calm wind becoming northwest around 5 mph.

    High: 88 °F

    Chance
    Showers then
    Mostly Sunny

  • Sunday Night

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

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 73.

    Low: 73 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 68. Northwest wind around 5 mph becoming calm.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 84. Calm wind.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A 30 percent chance of showers before 7am. Mostly sunny, with a high near 88. Heat index values as high as 98. Calm wind becoming northwest around 5 mph.
Sunday Night
Mostly clear, with a low around 70. Calm wind.
Monday
Mostly sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 73.
Tuesday
Mostly sunny, with a high near 93.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73.
Wednesday
Mostly sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
Partly cloudy, with a low around 69.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Arnold AFB TN
 35.32°N 86.08°W (Elev. 961 ft)
5:50 pm CDT Jul 24, 2026
6pm CDT Jul 24, 2026-6pm CDT Jul 31, 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