National Weather Service United States Department of Commerce

Developing storm will spread rain across eastern U.S.; thunderstorms in the Southeast

A storm system developing in the South will move up the Mississippi River Valley on Sunday bringing rainfall to much of the eastern U.S., along with thunderstorms in the southeastern states. Some of the thunderstorms in the Southeast could produce large hail, damaging wind and heavy rain.
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Hazardous Weather Conditions

Current Conditions

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Keystone Heights FL

7 Day Forecast

For More Weather Information:

Jacksonville, FL Local Forecast Office

Overnight

Heavy Rain Chance for Measurable Precipitation 90%

Heavy
Rain

Low: 18 °C

Sunday

Heavy Rain Chance for Measurable Precipitation 80%

Heavy
Rain

High: 27 °C

Sunday
Night

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

Low: 18 °C

Monday

Chance Showers Chance for Measurable Precipitation 50%

Chance
Showers

High: 27 °C

Monday
Night

Chance Rain Chance for Measurable Precipitation 30%

Chance
Rain

Low: 13 °C

Tuesday

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

High: 17 °C

Tuesday
Night

Rain Likely Chance for Measurable Precipitation 70%

Rain
Likely

Low: 8 °C

Wednesday

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

High: 13 °C

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 3 °C

Detailed Forecast

  • Overnight Rain likely, then rain and possibly a thunderstorm after 2am. Some of the storms could produce heavy rainfall. Low around 18. East wind around 13 km/h. Chance of precipitation is 90%.
  • Sunday Rain and possibly a thunderstorm, mainly before noon, then a chance of showers and thunderstorms after noon. Some of the storms could produce gusty winds and heavy rain. High near 27. Breezy, with a southeast wind 14 to 19 km/h increasing to 21 to 26 km/h in the afternoon. Chance of precipitation is 80%.
  • Sunday Night A 50 percent chance of showers and thunderstorms. Some of the storms could produce gusty winds. Mostly cloudy, with a low around 18. South wind 11 to 14 km/h.
  • Monday A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 27. South wind 14 to 21 km/h.
  • Monday Night A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 13. Southwest wind 5 to 13 km/h becoming northwest after midnight.
  • Tuesday Rain likely, mainly after 3pm. Mostly cloudy, with a high near 17. Chance of precipitation is 60%.
  • Tuesday Night Rain likely. Mostly cloudy, with a low around 8. Chance of precipitation is 70%.
  • Wednesday A 50 percent chance of rain. Partly sunny, with a high near 13.
  • Wednesday Night Partly cloudy, with a low around 3.
  • Thanksgiving Day Sunny, with a high near 17.
  • Thursday Night Clear, with a low around 4.
  • Friday Sunny, with a high near 17.
  • Friday Night Clear, with a low around 4.
  • Saturday Sunny, with a high near 18.