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

Heavy Rain In The Plains; Poor Air Quality Out West

A slow moving weather system in the central U.S. will bring locally heavy rain to much of the Plains this weekend. Isolated flash flooding is possible in this area. Meanwhile, smoke from ongoing wildfires will continue to cause poor air quality across much of the interior West, although fire weather conditions are generally improving in this region. Read More >

Hazardous Weather Conditions

Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Overcast

73°F

23°C

Humidity 100%
Wind Speed SW 3 mph
Barometer 29.98 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 18 Aug 1:35 am CDT
Extended Forecast for

Shawneetown IL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 68. Light west wind.

    Chance
    T-storms

    Low: 68 °F

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 4pm, then a slight chance of showers and thunderstorms after 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 85. West northwest wind 3 to 6 mph. Chance of precipitation is 20%.

    Slight Chance
    T-storms and
    Patchy Fog

    High: 85 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 67. Light and variable wind.

    Partly Cloudy

    Low: 67 °F

  • Sunday

    Sunday: Partly sunny, with a high near 87. Calm wind becoming east northeast around 6 mph in the morning.

    Partly Sunny

    High: 87 °F

  • Sunday
    Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. East wind 3 to 5 mph.

    Mostly Cloudy
    then Chance
    T-storms

    Low: 69 °F

  • Monday

    Monday: Showers and thunderstorms likely. Cloudy, with a high near 83. South southwest wind 5 to 9 mph. Chance of precipitation is 70%.

    T-storms
    Likely

    High: 83 °F

  • Monday
    Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South wind around 9 mph.

    Chance
    T-storms

    Low: 68 °F

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms. Partly sunny, with a high near 82. West northwest wind around 10 mph.

    Slight Chance
    T-storms

    High: 82 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 63. Northwest wind around 8 mph.

    Partly Cloudy

    Low: 63 °F

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 68. Light west wind.
Saturday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 4pm, then a slight chance of showers and thunderstorms after 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 85. West northwest wind 3 to 6 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 67. Light and variable wind.
Sunday
Partly sunny, with a high near 87. Calm wind becoming east northeast around 6 mph in the morning.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. East wind 3 to 5 mph.
Monday
Showers and thunderstorms likely. Cloudy, with a high near 83. South southwest wind 5 to 9 mph. Chance of precipitation is 70%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South wind around 9 mph.
Tuesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 82. West northwest wind around 10 mph.
Tuesday Night
Partly cloudy, with a low around 63. Northwest wind around 8 mph.
Wednesday
Sunny, with a high near 80. North northwest wind 7 to 9 mph.
Wednesday Night
Mostly clear, with a low around 59. North northeast wind 3 to 7 mph.
Thursday
Sunny, with a high near 81. North northeast wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 61. East southeast wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 83. South wind 3 to 6 mph.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Shawneetown IL
 37.7°N 88.16°W
Last Update:
1:16 am CDT Aug 18, 2018
Forecast Valid:
1am CDT Aug 18, 2018-6pm CDT Aug 24, 2018
 
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