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

Severe Storms and Heavy Rain in the Midwest; Heat in Several Locations

Strong to severe thunderstorms with damaging winds, heavy rain, and flash flooding are expected across the central Plains into the Mid Mississippi Valley on Monday, especially Kansas into Missouri. Meanwhile, heat will consume several locations from the Northeast (Boston and New York City), in the Mid to Lower Mississippi Valley (Memphis and St. Louis) and persisting around the Phoenix metro area. Read More >

Hazardous Weather Conditions

Current conditions at

Sparta Community-Hunter Field Airport (KSAR)

Lat: 38.15°NLon: 89.7°WElev: 528ft.

Fair

78°F

26°C

Humidity 93%
Wind Speed SE 5 mph
Barometer 30.03 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 9 Aug 9:35 pm CDT
Extended Forecast for

Percy IL

Heat Advisory August 10, 12:00pm until August 10, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Isolated showers and thunderstorms before 11pm, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 74. East wind 5 to 7 mph becoming south after midnight. Chance of precipitation is 20%.

    Slight Chance
    T-storms

    Low: 74 °F

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 9am. Partly sunny, with a high near 93. Heat index values as high as 103. Southwest wind 7 to 9 mph.

    Slight Chance
    T-storms then
    Partly Sunny

    High: 93 °F

  • Monday
    Night

    Monday Night: A 50 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 71. South wind 5 to 7 mph becoming west after midnight.

    Chance
    T-storms

    Low: 71 °F

  • Tuesday

    Tuesday: Showers and thunderstorms likely. Mostly cloudy, with a high near 86. Light northwest wind. Chance of precipitation is 70%.

    T-storms
    Likely

    High: 86 °F

  • Tuesday
    Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Light and variable wind.

    Chance
    T-storms

    Low: 68 °F

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.

    Chance
    T-storms

    High: 86 °F

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 67.

    Mostly Cloudy

    Low: 67 °F

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.

    Chance
    T-storms

    High: 86 °F

  • Thursday
    Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67.

    Partly Cloudy
    then Slight
    Chance
    T-storms

    Low: 67 °F

Detailed Forecast

Tonight
Isolated showers and thunderstorms before 11pm, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 74. East wind 5 to 7 mph becoming south after midnight. Chance of precipitation is 20%.
Monday
A 20 percent chance of showers and thunderstorms before 9am. Partly sunny, with a high near 93. Heat index values as high as 103. Southwest wind 7 to 9 mph.
Monday Night
A 50 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 71. South wind 5 to 7 mph becoming west after midnight.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 86. Light northwest wind. Chance of precipitation is 70%.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Light and variable wind.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Wednesday Night
Mostly cloudy, with a low around 67.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Sunday
A 40 percent chance of showers. Mostly sunny, with a high near 86.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Percy IL
 38.02°N 89.61°W (Elev. 472 ft)
Last Update:
8:58 pm CDT Aug 9, 2020
Forecast Valid:
9pm CDT Aug 9, 2020-6pm CDT Aug 16, 2020
 
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