National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Active Weather Pattern Expected From the Midwest to the Southern Plains; Dangerous Heat Likely in Southern Texas

A strong storm system will bring numerous to widespread severe thunderstorms across portions of the Midwest and Upper Great Lakes Tuesday. Tornadoes (a few strong), damaging winds and large hail are expected. Record high temperatures will be possible over southern Texas the next several days. This may lead to dangerous heat concerns especially for areas already without power. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Thunderstorm Rain

72°F

22°C

Humidity 94%
Wind Speed SW 15 G 29 mph
Barometer 29.77 in
Dewpoint 70°F (21°C)
Visibility 3.00 mi
Last update 21 May 8:50 pm CDT
Extended Forecast for

Sawyerville IL

  • Tonight

    Tonight: Showers and thunderstorms, mainly before midnight. Low around 60. South wind 9 to 18 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%.

    Low: 60 °F

    T-storms then
    Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 77. West wind 7 to 11 mph. Chance of precipitation is 40%.

    High: 77 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59. West wind around 6 mph becoming calm after midnight.

    Low: 59 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79. Light and variable wind becoming southeast 5 to 7 mph in the morning.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 65. Southeast wind around 6 mph.

    Low: 65 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 82. Chance of precipitation is 80%.

    High: 82 °F

    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 59. Chance of precipitation is 50%.

    Low: 59 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Tonight
Showers and thunderstorms, mainly before midnight. Low around 60. South wind 9 to 18 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 77. West wind 7 to 11 mph. Chance of precipitation is 40%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59. West wind around 6 mph becoming calm after midnight.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79. Light and variable wind becoming southeast 5 to 7 mph in the morning.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 65. Southeast wind around 6 mph.
Friday
Showers and possibly a thunderstorm. High near 82. Chance of precipitation is 80%.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 57.
Saturday
Sunny, with a high near 77.
Saturday Night
A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 59. Chance of precipitation is 50%.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Memorial Day
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 75.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Sawyerville IL
 39.07°N 89.81°W (Elev. 600 ft)
Last Update:
8:37 pm CDT May 21, 2024
Forecast Valid:
9pm CDT May 21, 2024-6pm CDT May 28, 2024
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation