National Weather Service

News Headlines

June 10, 2026: Derecho Produces Widespread Wind Damage Across Northern Illinois
June 11, 2026: Tornado Outbreak, Including Multiple Strong Tornadoes Across Northern Illinois and Northwest Indiana
KZZ-81 Lockport NOAA Weather Radio Currently Has Degraded Signal

Current conditions at

Morris Muni-James R Washburn Field Airport (KC09)

Lat: 41.43° N Lon: 88.42° W Elev: 584 ft.

Fair

75°F

24°C

Humidity	61%
Wind Speed	W 7 mph
Barometer	29.94 in
Dewpoint	61°F (16°C)
Visibility	10.00 mi
Last update	12 Jun 7:46 pm CDT

More Information:

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

Detailed forecast for

Grundy County

Tonight

Clear. Lows in the lower 60s. Southwest winds 5 to 10 mph.

Saturday

Mostly sunny in the morning, then becoming partly cloudy. A slight chance of showers and thunderstorms late. Highs in the mid 80s. Southwest winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Chance of precipitation 20 percent.

Saturday Night

Showers with a chance of thunderstorms until early morning, then a slight chance of showers and thunderstorms late. Lows in the lower 60s. West winds 5 to 10 mph, becoming northwest after midnight. Chance of precipitation 80 percent.

Sunday

Partly cloudy. Highs in the lower 70s. Northwest winds 10 to 15 mph with gusts up to 25 mph.

Sunday Night

Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s. Northwest winds 5 to 10 mph.

Monday

Mostly sunny. Highs in the mid 70s.

Monday Night

Clear in the evening, then becoming partly cloudy. Lows in the mid 50s.

Tuesday

Partly cloudy. A slight chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 70 percent.

Tuesday Night

A chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the upper 50s. Chance of precipitation 40 percent.

Wednesday

Mostly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Highs around 80. Chance of precipitation 70 percent.

Wednesday Night

Showers with a chance of thunderstorms in the evening, then showers likely after midnight. Breezy with lows in the lower 60s. Chance of precipitation 90 percent.

Thursday

Mostly cloudy with a chance of showers in the morning, then partly cloudy in the afternoon. Highs in the upper 70s. Chance of precipitation 30 percent.

Thursday Night

Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s.

Juneteenth

Partly cloudy. Highs in the lower 80s.