Summer Heat In Multiple Spots

A large dome of high pressure is expected to deliver summer heat with humidity in multiple sections of the country to start off the week. Excessive heat warnings and heat advisories are in effect across the south-central Plains, Mid to Lower Mississippi Valley and from the Mid-Atlantic into the Northeast. This includes the cities of New York, Philadelphia, Dallas, Oklahoma City and Kansas City. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

En Español

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

70°F

21°C

Humidity	90%
Wind Speed	S 5 mph
Barometer	29.95 in (1013.7 mb)
Dewpoint	67°F (19°C)
Visibility	9.00 mi
Last update	19 Aug 2:54 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

3 Miles WNW Cisco IL

Overnight

Areas Fog
Low: 69 °F
Monday

Areas Fog
then
Scattered
T-storms
High: 88 °F
Monday
Night

Isolated
T-storms then
Mostly Cloudy
Low: 71 °F
Tuesday

Chance
T-storms
High: 88 °F
Tuesday
Night

Partly Cloudy
Low: 72 °F
Wednesday

Partly Sunny
then Chance
T-storms
High: 86 °F
Wednesday
Night

Mostly Cloudy
then Chance
T-storms
Low: 63 °F
Thursday

Mostly Sunny
High: 78 °F
Thursday
Night

Partly Cloudy
Low: 58 °F

Detailed Forecast

Overnight

Areas of fog. Otherwise, partly cloudy, with a low around 69. Light southwest wind.

Monday

Scattered showers and thunderstorms, mainly after 3pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%.

Monday Night

Isolated showers and thunderstorms before 7pm. Partly cloudy, with a low around 71. Light southeast wind. Chance of precipitation is 10%.

Tuesday

A 40 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 88. Light and variable wind becoming south 5 to 8 mph in the morning.

Tuesday Night

Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening.

Wednesday

A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 86. Calm wind becoming west around 6 mph in the morning.

Wednesday Night

A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. North wind around 5 mph becoming calm in the evening.

Thursday

Mostly sunny, with a high near 78.

Thursday Night

Partly cloudy, with a low around 58.

Friday

Mostly sunny, with a high near 78.

Friday Night

Partly cloudy, with a low around 57.

Saturday

Mostly sunny, with a high near 79.

Saturday Night

Partly cloudy, with a low around 60.