Wind
8 mph
SSW
Local Forecast
Current conditions, 5-day forecast, and active NWS weather alerts for Castalian Spring, TN.
Hour-by-Hour Current Observation
Clear
Wind
8 mph
SSW
UV Index
5
Moderate
Humidity
84%
Dew 78°F
Sun
5:29 AM · 8:06 PM
Rise · Set
Source: PORTLAND (K1M5). Slider scrubs the next 12 hours.
5-Day Outlook
Today
Thunderstorms
Overnight: Thunderstorms
Today
Showers and thunderstorms likely before 3pm, then showers and thunderstorms between 3pm and 5pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 86. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Night
Showers and thunderstorms likely before 8pm, then showers and thunderstorms between 8pm and 1am, then patchy fog and showers and thunderstorms likely between 1am and 3am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South southwest wind 0 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Sunday
Chance of Scattered Thunderstorms
Overnight: Partly Cloudy
Sunday
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 9am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 93. Heat index values as high as 105. West southwest wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
Night
Partly cloudy, with a low around 75. Heat index values as high as 107. West wind 0 to 5 mph.
Monday
Mostly Sunny
Overnight: Mostly Clear
Monday
Sunny, with a high near 96. West wind 0 to 5 mph.
Night
Mostly clear, with a low around 76. North wind around 0 mph.
Tuesday
Sunny
Overnight: Clear
Tuesday
Sunny, with a high near 97. East wind around 0 mph.
Night
Mostly clear, with a low around 77. East wind around 0 mph.
Wednesday
Mostly Sunny
Overnight: Mostly Clear
Wednesday
Sunny, with a high near 96. South southeast wind 0 to 5 mph.
Night
A slight chance of showers and thunderstorms between 7pm and 1am. Mostly clear, with a low around 77. Chance of precipitation is 20%.
Castalian Spring, TN Weather Analysis Tools
Regional Radar
Composite reflectivity with Lightning overlay.
Regional Observations
Regional & historic weather conditions near Castalian Spring, TN.
Active Alerts
Per-location alert detail and NWS source feeds.
Storm Reports
Recent storm reports including wind, hail, and tornadoes.
Model Analysis
Interactive forecast model guidance.
Satellite Imagery
GOES-East and GOES-West, visible and infrared.