National Weather Service United States Department of Commerce

Warmup expected in the East, cooler weather forecast across parts of West

Much of the eastern U.S. will see a significant warming trend beginning on Friday, with high temperatures as much as 10-15 degrees warmer than on Thursday. The warming trend will continue into the weekend. Meanwhile, temperatures will be on the decrease across much of the northern Plains and Intermountain West over the next several days.
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Current Conditions

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Collinsville IL

7 Day Forecast

For More Weather Information:

Saint Louis, MO Local Forecast Office

This
Afternoon

Sunny

Sunny

High: 47 °F

Tonight

Increasing Clouds

Increasing
Clouds

Low: 37 °F

Saturday

Cloudy

Cloudy

High: 57 °F

Saturday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 52 °F

Sunday

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

High: 59 °FFalling Temperatures

Sunday
Night

Chance Freezing Rain Chance for Measurable Precipitation 30%

Chance
Freezing Rain

Low: 26 °F

Monday

Slight Chance Freezing Rain Chance for Measurable Precipitation 20%

Slight Chance
Freezing Rain

High: 30 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 20 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 37 °F

Detailed Forecast

  • This Afternoon Sunny, with a high near 47. South wind 14 to 16 mph, with gusts as high as 24 mph.
  • Tonight Increasing clouds, with a low around 37. South wind 9 to 13 mph.
  • Saturday Cloudy, with a high near 57. South wind 11 to 16 mph.
  • Saturday Night Mostly cloudy, with a low around 52. South wind around 11 mph.
  • Sunday A 20 percent chance of rain. Cloudy, with a temperature rising to near 59 by noon, then falling to around 48 during the remainder of the day. South wind 7 to 14 mph becoming northwest in the afternoon.
  • Sunday Night A chance of rain before midnight, then a chance of freezing rain. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
  • Monday A slight chance of freezing rain. Partly sunny, with a high near 30. Chance of precipitation is 20%.
  • Monday Night Partly cloudy, with a low around 20.
  • Tuesday Mostly sunny, with a high near 37.
  • Tuesday Night Partly cloudy, with a low around 28.
  • Wednesday Mostly sunny, with a high near 41.
  • Wednesday Night A 20 percent chance of rain. Mostly cloudy, with a low around 32.
  • Thursday A 20 percent chance of rain. Partly sunny, with a high near 48.