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

Heat Continues in the Northeast; Fire Weather Threat Persists in the West

Above normal temperatures are expected to continue into midweek for portions of the Northeast, including the I-95 corridor from New York to southern Maine. Critical fire weather conditions are expected in the interior Pacific Northwest, with additional Red Flag Warnings in effect for the Great Basin and Rockies. Read More >

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Overcast

68°F

20°C

Humidity 100%
Wind Speed W 6 mph
Barometer 30.00 in (1015.6 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 11 Aug 7:54 am CDT
Extended Forecast for

Decatur IL

  • Today

    Today: Partly sunny, with a high near 85. North northwest wind 3 to 6 mph.

    Partly Sunny

    High: 85 °F

  • Tonight

    Tonight: Mostly cloudy, with a low around 62. East northeast wind around 6 mph.

    Mostly Cloudy

    Low: 62 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. East northeast wind around 6 mph.

    Mostly Sunny

    High: 85 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 67. Light east wind.

    Mostly Clear

    Low: 67 °F

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. East southeast wind 3 to 5 mph.

    Mostly Sunny
    then Chance
    T-storms

    High: 86 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 68. East wind around 5 mph becoming calm in the evening.

    Partly Cloudy

    Low: 68 °F

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. Calm wind becoming southeast around 5 mph in the afternoon.

    Chance
    T-storms

    High: 85 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 69.

    Partly Cloudy

    Low: 69 °F

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87.

    Mostly Sunny
    then Chance
    T-storms

    High: 87 °F

Detailed Forecast

Today
Partly sunny, with a high near 85. North northwest wind 3 to 6 mph.
Tonight
Mostly cloudy, with a low around 62. East northeast wind around 6 mph.
Wednesday
Mostly sunny, with a high near 85. East northeast wind around 6 mph.
Wednesday Night
Mostly clear, with a low around 67. Light east wind.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. East southeast wind 3 to 5 mph.
Thursday Night
Partly cloudy, with a low around 68. East wind around 5 mph becoming calm in the evening.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 69.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 62.
Monday
Mostly sunny, with a high near 79.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Decatur IL
 39.84°N 88.94°W (Elev. 692 ft)
Last Update:
7:09 am CDT Aug 11, 2020
Forecast Valid:
8am CDT Aug 11, 2020-6pm CDT Aug 17, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation