Heat Expands for Center of the Nation; Severe Thunderstorms for Plains and Upper Midwest

Dangerous heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest. Critical fire weather for portions of the Intermountain West. Risk for severe thunderstorms and flash flooding across the Upper Midwest/Great Lakes, Ohio Valley, and portions of the mid-Atlantic. Active monsoonal moisture fuels thunderstorms over the Southwest. Hurricane Fausto in the Pacific, should weaken Read More >

Hazardous Weather Conditions

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Mostly Cloudy

86°F

30°C

Humidity 70%
Wind Speed W 7 mph
Barometer 30.00 in (1015.1 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 26 Jul 11:53 am EDT
Extended Forecast for

Harrison TN

  • This Afternoon

    This Afternoon: Mostly sunny and hot, with a high near 90. Heat index values as high as 99. North wind around 5 mph.

    High: 90 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 73. Northwest wind around 5 mph becoming calm.

    Low: 73 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 93. Heat index values as high as 102. Calm wind becoming north around 5 mph.

    High: 93 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 94. Light southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 2am.  Partly cloudy, with a low around 75. West wind around 5 mph becoming calm  in the evening.

    Low: 75 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 90. Light north wind becoming northwest 5 to 10 mph in the afternoon.

    High: 90 °F

    Hot

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 2am.  Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 90. Heat index values as high as 99. North wind around 5 mph.
Tonight
Partly cloudy, with a low around 73. Northwest wind around 5 mph becoming calm.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. Heat index values as high as 102. Calm wind becoming north around 5 mph.
Monday Night
Partly cloudy, with a low around 75. Calm wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 94. Light southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. West wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny and hot, with a high near 90. Light north wind becoming northwest 5 to 10 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers after 2am. Mostly clear, with a low around 69.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 68.
Friday
Mostly sunny, with a high near 89.
Friday Night
Mostly cloudy, with a low around 71.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Harrison TN
 35.11°N 85.16°W (Elev. 699 ft)
7:06 am EDT Jul 26, 2026
12pm EDT Jul 26, 2026-6pm EDT Aug 1, 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