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Early Season Heat Wave in Texas; Thunderstorm and Heavy Rainfall in the Mid-Atlantic and Northern/Central Plains

An early season heat wave will bring record-breaking temperatures to parts of Texas through this weekend into next week. Thunderstorms and flooding in the Mid-Atlantic region will continue overnight into Wednesday. Severe thunderstorms and heavy rainfall are possible over parts of the Dakotas and Nebraska Wednesday. Elevated to critical fire conditions continue in the Southern Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

63°F

17°C

Humidity 98%
Wind Speed Calm
Barometer 29.77 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 14 May 12:55 am CDT
Extended Forecast for

Old Shawneetown IL

  • Overnight

    Overnight: Patchy fog after 3am. Otherwise, mostly clear, with a steady temperature around 63. Calm wind.

    Low: 63 °F

    Patchy Fog

  • Wednesday

    Wednesday: A 20 percent chance of rain after 1pm. Patchy fog before 8am. Otherwise, sunny, with a high near 83. Calm wind becoming south southeast 5 to 8 mph in the morning.

    High: 83 °F

    Patchy Fog
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68. South southeast wind around 6 mph.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 88. South southwest wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. South southwest wind 6 to 13 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: A slight chance of thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. South southwest wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 87 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 1am, then a chance of showers. Partly cloudy, with a low around 64. West southwest wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.

    Low: 64 °F

    T-storms
    Likely

  • Saturday

    Saturday: A slight chance of showers before 1pm. Mostly sunny, with a high near 82. West southwest wind 6 to 10 mph.

    High: 82 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62. West southwest wind around 6 mph becoming calm in the evening.

    Low: 62 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, mostly clear, with a steady temperature around 63. Calm wind.
Wednesday
A 20 percent chance of rain after 1pm. Patchy fog before 8am. Otherwise, sunny, with a high near 83. Calm wind becoming south southeast 5 to 8 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 68. South southeast wind around 6 mph.
Thursday
Mostly sunny, with a high near 88. South southwest wind 6 to 14 mph, with gusts as high as 22 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. South southwest wind 6 to 13 mph, with gusts as high as 20 mph.
Friday
A slight chance of thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. South southwest wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Friday Night
Showers and thunderstorms likely before 1am, then a chance of showers. Partly cloudy, with a low around 64. West southwest wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Saturday
A slight chance of showers before 1pm. Mostly sunny, with a high near 82. West southwest wind 6 to 10 mph.
Saturday Night
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62. West southwest wind around 6 mph becoming calm in the evening.
Sunday
A chance of showers. Mostly sunny, with a high near 80. Calm wind becoming south southwest around 6 mph in the afternoon.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Light east southeast wind.
Monday
Showers and thunderstorms likely. Partly sunny, with a high near 82. Southeast wind 5 to 8 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Southeast wind around 7 mph.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. South wind 8 to 14 mph, with gusts as high as 21 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Old Shawneetown IL
 37.7°N 88.13°W
Last Update:
10:19 pm CDT May 13, 2025
Forecast Valid:
1am CDT May 14, 2025-6pm CDT May 20, 2025
 
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