National Weather Service United States Department of Commerce

Severe storms and heavy rain possible from parts of Plains to Great Lakes on Labor Day

Isolated severe thunderstorms are forecast to develop on Labor Day along and ahead of a cold front from parts of the southern Great Lakes southwestward across Illinois and Missouri into southeast Kansas. Damaging winds, large hail and heavy rainfall will be possible with these storms.
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Hazardous Weather Conditions

Current Conditions

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San Marcos TX

7 Day Forecast

Labor
Day

Hot

Hot

High: 98 °F

Tonight

Mostly Cloudy

Mostly
Cloudy

Low: 76 °F

Tuesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 96 °F

Tuesday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 75 °F

Wednesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 95 °F

Wednesday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 74 °F

Thursday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 93 °F

Thursday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 73 °F

Friday

Hot

Hot

High: 97 °F

Detailed Forecast

  • Labor Day Partly sunny and hot, with a high near 98. Heat index values as high as 104. South wind 5 to 15 mph, with gusts as high as 20 mph.
  • Tonight Mostly cloudy, with a low around 76. South wind 5 to 15 mph, with gusts as high as 20 mph.
  • Tuesday A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 96. Heat index values as high as 103. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
  • Tuesday Night A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 75. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
  • Wednesday A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 95. South southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
  • Wednesday Night Mostly cloudy, with a low around 74. South southeast wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
  • Thursday A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 93. South southeast wind 5 to 15 mph.
  • Thursday Night Mostly cloudy, with a low around 73. South southeast wind 5 to 10 mph.
  • Friday Mostly sunny and hot, with a high near 97. Light southeast wind increasing to 5 to 10 mph in the morning.
  • Friday Night Partly cloudy, with a low around 72.
  • Saturday A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97.
  • Saturday Night Partly cloudy, with a low around 71.
  • Sunday A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97.