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

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Hazardous Weather Conditions

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Partly Cloudy

74°F

23°C

Humidity 94%
Wind Speed Calm
Barometer 29.77 in (1007.1 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 2 Aug 1:53 am EDT
Extended Forecast for

Lakesite TN

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly before 3am. Mostly cloudy, with a low around 72. South wind around 5 mph.

    Low: 72 °F

    Chance
    Showers

  • Sunday

    Sunday: A 10 percent chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 86. Southwest wind 5 to 10 mph.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. West wind around 5 mph becoming calm.

    Low: 70 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 85. Calm wind becoming west around 5 mph. Chance of precipitation is 70%.

    High: 85 °F

    Chance
    Showers then
    T-storms
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 8pm. Partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely then
    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Calm wind. Chance of precipitation is 60%.

    High: 87 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%.

    Low: 71 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of thunderstorms, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 88. Chance of precipitation is 50%.

    High: 88 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly before 3am. Mostly cloudy, with a low around 72. South wind around 5 mph.
Sunday
A 10 percent chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 86. Southwest wind 5 to 10 mph.
Sunday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. West wind around 5 mph becoming calm.
Monday
Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 85. Calm wind becoming west around 5 mph. Chance of precipitation is 70%.
Monday Night
A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 8pm. Partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%.
Tuesday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Calm wind. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%.
Wednesday
A slight chance of thunderstorms, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 88. Chance of precipitation is 50%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72.
Thursday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 90.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Lakesite TN
 35.2°N 85.12°W (Elev. 682 ft)
Last Update:
2:26 am EDT Aug 2, 2026
Forecast Valid:
2am EDT Aug 2, 2026-6pm EDT Aug 8, 2026
 
Forecast Discussion
 
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Additional Resources

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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