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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Crossville, Crossville Memorial-Whitson Field Airport (KCSV)

Lat: 35.95°NLon: 85.09°WElev: 1880ft.

Fair

64°F

18°C

Humidity 96%
Wind Speed Calm
Barometer 30.12 in (1017.7 mb)
Dewpoint 63°F (17°C)
Visibility 9.00 mi
Last update 28 Aug 6:53 am CDT
Extended Forecast for

2 Miles ESE Grandview TN

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 3pm. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 88. Calm wind.

    High: 88 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 67. Calm wind becoming north around 5 mph.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 91. Heat index values as high as 96. Calm wind.

    High: 91 °F

    Hot

  • Saturday Night

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

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 90. Calm wind.

    High: 90 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 92. Calm wind.

    High: 92 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 93.

    High: 93 °F

    Hot

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 3pm. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 88. Calm wind.
Tonight
Mostly clear, with a low around 67. Calm wind becoming north around 5 mph.
Saturday
Sunny and hot, with a high near 91. Heat index values as high as 96. Calm wind.
Saturday Night
Partly cloudy, with a low around 68. Calm wind.
Sunday
Sunny and hot, with a high near 90. Calm wind.
Sunday Night
Partly cloudy, with a low around 69. Calm wind.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 92. Calm wind.
Monday Night
Mostly clear, with a low around 71.
Tuesday
Sunny and hot, with a high near 93.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 94.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Grandview TN
 35.74°N 84.79°W (Elev. 853 ft)
Last Update:
7:06 am EDT Aug 28, 2026
Forecast Valid:
8am EDT Aug 28, 2026-6pm EDT Sep 3, 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