Mississippi Valley Summer Heat Wave; Severe Thunderstorms and Flooding Possible to the North

A dangerous summer heat wave will continue much of the Plains, Mid/Lower Mississippi Valley, Southeast U.S. today and Thursday. Areas of severe thunderstorms may occur today and again on Thursday from parts of the northern/central Rockies and High Plains into the Ohio Valley and Carolinas. Excessive rainfall over similar areas may bring flash flooding today and Thursday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

De Kalb Taylor Municipal Airport (KDKB)

Lat: 41.93° N Lon: 88.71° W Elev: 909 ft.

Overcast

80°F

27°C

Humidity	73%
Wind Speed	NE 8 mph
Barometer	30.01 in
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	83°F (28°C)
Last update	6 Jul 3:15 pm CDT

More Information:

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

Detailed forecast for

McHenry County

Tonight

Mostly cloudy this evening, then becoming partly cloudy late this evening, then becoming mostly cloudy late. Lows in the mid 60s. Northeast winds around 5 mph.

Thursday

Mostly cloudy. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. East winds around 5 mph. Chance of precipitation 50 percent.

Thursday Night

Showers likely with a chance of thunderstorms. Lows in the mid 60s. Northeast winds around 5 mph. Chance of precipitation 60 percent.

Friday

Mostly cloudy with a chance of showers in the morning, then partly cloudy with a slight chance of showers in the afternoon. Highs in the upper 70s. Northeast winds around 10 mph with gusts up to 20 mph. Chance of precipitation 40 percent.

Friday Night

Mostly clear. Lows around 60. Northeast winds 5 to 10 mph. Gusts up to 20 mph in the evening.

Saturday

Mostly sunny. Highs in the upper 70s.

Saturday Night

Clear. Lows in the upper 50s.

Sunday

Sunny. Highs around 80.

Sunday Night And Monday

Partly cloudy. Lows in the lower 60s. Highs in the mid 80s.

Monday Night And Tuesday

Mostly clear. Lows in the mid 60s. Highs in the lower 80s.