Flash Flood Concerns in Mid-Atlantic, Severe Weather Threats in Upper Midwest, and Fire Weather in the West

Once again, heavy rain and thunderstorms may produce flash flooding across the Mid-Atlantic region today. Flash flood watches are in effect, which includes the Philadelphia and Washington D.C. metro areas. Meanwhile, severe thunderstorms with damaging winds and large hail are possible from North Dakota into Minnesota. Finally, red flag warnings are in effect across several states in the West. Read More >

Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

80°F

27°C

Humidity 49%
Wind Speed S 7 mph
Barometer 30.18 in (1021.6 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 7 Aug 1:54 pm CDT
Extended Forecast for

Decatur IL

  • This
    Afternoon

    This Afternoon: Sunny, with a high near 82. Southeast wind around 8 mph.

    Sunny

    High: 82 °F

  • Tonight

    Tonight: Mostly clear, with a low around 59. Southeast wind around 5 mph.

    Mostly Clear

    Low: 59 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 86. South wind 6 to 10 mph.

    Mostly Sunny

    High: 86 °F

  • Saturday
    Night

    Saturday Night: A 40 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 70. South wind around 6 mph.

    Partly Cloudy
    then Chance
    T-storms

    Low: 70 °F

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 90. South southwest wind 6 to 8 mph, with gusts as high as 16 mph.

    Chance
    T-storms

    High: 90 °F

  • Sunday
    Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 73. South southwest wind around 7 mph, with gusts as high as 16 mph.

    Partly Cloudy
    then Chance
    T-storms

    Low: 73 °F

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 90. West southwest wind 6 to 8 mph, with gusts as high as 17 mph.

    Chance
    T-storms

    High: 90 °F

  • Monday
    Night

    Monday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 69.

    Chance
    T-storms

    Low: 69 °F

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 85.

    Partly Sunny
    then Chance
    T-storms

    High: 85 °F

Detailed Forecast

This Afternoon
Sunny, with a high near 82. Southeast wind around 8 mph.
Tonight
Mostly clear, with a low around 59. Southeast wind around 5 mph.
Saturday
Mostly sunny, with a high near 86. South wind 6 to 10 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. South wind around 6 mph.
Sunday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 90. South southwest wind 6 to 8 mph, with gusts as high as 16 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. South southwest wind around 7 mph, with gusts as high as 16 mph.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. West southwest wind 6 to 8 mph, with gusts as high as 17 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 85.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 84.
Click Map For Forecast
Point Forecast:
Decatur IL
 39.86°N 88.94°W (Elev. 682 ft)
12:58 pm CDT Aug 7, 2020
2pm CDT Aug 7, 2020-6pm CDT Aug 13, 2020
 
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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