National Weather Service United States Department of Commerce

Heavy rain possible for the northern Rockies & Plains; severe storms for the Northern Plains

An unseasonably strong storm system in the northwest U.S. will bring showers and thunderstorms, with locally heavy rainfall, to the northern Rockies and northern Plains. Isolated flash floods will be possible in these areas. Some storms could become severe in parts of the Dakotas into Minnesota, with large hail and damaging winds. In addition, temperatures will be 10 to 20 degrees below average.
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Current Conditions

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Saint Augustine FL

7 Day Forecast

For More Weather Information:

Jacksonville, FL Local Forecast Office

This
Afternoon

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 94 °F

Tonight

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 76 °F

Sunday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 90 °F

Sunday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 77 °F

Monday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 87 °F

Monday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 76 °F

Tuesday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 86 °F

Tuesday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 76 °F

Wednesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 87 °F

Detailed Forecast

  • This Afternoon A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 94. Heat index values as high as 108. West wind around 7 mph becoming east.
  • Tonight A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Southeast wind around 8 mph.
  • Sunday A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. Heat index values as high as 102. Light and variable wind becoming east 5 to 9 mph in the afternoon.
  • Sunday Night A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. East wind around 14 mph.
  • Monday A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 87. Breezy, with a northeast wind 13 to 17 mph.
  • Monday Night A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 76. Breezy.
  • Tuesday A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 86. Breezy.
  • Tuesday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
  • Wednesday A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Breezy.
  • Wednesday Night A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.
  • Thursday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
  • Thursday Night Partly cloudy, with a low around 75.
  • Friday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.