National Weather Service United States Department of Commerce

Heavy rain possible for parts of the northern Rockies & Plains; Severe storms for the Upper Midwest

An unseasonably strong storm system in the northwest U.S. will bring showers and thunderstorms, some heavy, to parts of the northern Rockies and northern Plains through Saturday. Isolated flash floods will be possible in these areas. Some of the storms could be severe in parts of the Dakotas into Minnesota, with large hail and damaging winds.
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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

Overnight

Mostly Clear

Mostly
Clear

Low: 75 °F

Saturday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 95 °F

Saturday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 77 °F

Sunday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 91 °F

Sunday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 77 °F

Monday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 88 °F

Monday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 76 °F

Tuesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 87 °F

Tuesday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 76 °F

Detailed Forecast

  • Overnight Mostly clear, with a low around 75. Southwest wind around 6 mph.
  • Saturday A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 108. Southwest wind 5 to 7 mph becoming east in the afternoon.
  • Saturday Night A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 77. Southwest wind 5 to 8 mph.
  • Sunday A 30 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 91. Heat index values as high as 103. Light and variable wind becoming east 5 to 10 mph in the afternoon.
  • Sunday Night A 30 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 77. Northeast wind around 14 mph.
  • Monday A 30 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 88. Breezy.
  • Monday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. Breezy.
  • Tuesday A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Breezy.
  • Tuesday Night A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
  • Wednesday A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
  • Wednesday Night A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.
  • Thursday A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
  • Thursday Night A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.
  • Friday A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.