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.

Overcast

79°F

26°C

Humidity 82%
Wind Speed W 5 mph
Barometer 30.00 in (1014.8 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 26 Jul 7:53 am EDT
Extended Forecast for

2 Miles SSE Signal Mountain TN

  • Today

    Today: A 20 percent chance of showers and thunderstorms before noon.  Mostly sunny and hot, with a high near 90. Heat index values as high as 99. Calm wind becoming north around 5 mph in the afternoon.

    High: 90 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 72. Northwest wind around 5 mph becoming calm.

    Low: 72 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 93. Heat index values as high as 103. Calm wind becoming north around 5 mph.  Chance of precipitation is 20%.

    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: 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

    Hot

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 2am.  Partly cloudy, with a low around 74. West wind around 5 mph becoming calm  in the evening.

    Low: 74 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89. Light northwest wind increasing to 5 to 10 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • 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

Today
A 20 percent chance of showers and thunderstorms before noon. Mostly sunny and hot, with a high near 90. Heat index values as high as 99. Calm wind becoming north around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 72. Northwest wind around 5 mph becoming calm.
Monday
A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. Heat index values as high as 103. Calm wind becoming north around 5 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 75. Calm wind.
Tuesday
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 74. West wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 89. Light northwest wind increasing to 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 88.
Friday Night
Partly cloudy, with a low around 71.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Signal Mountain TN
 35.1°N 85.32°W (Elev. 846 ft)
7:06 am EDT Jul 26, 2026
8am EDT Jul 26, 2026-6pm EDT Aug 1, 2026
 
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Additional Resources

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Hourly Weather Forecast

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