National Weather Service

News Headlines

May 18, 2026: Morning Storms Produce Areas of Wind Damage and a Brief EF-0 Tornado near Paxton, IL
New forecast services for Mainstream Deep Tunnel at McCook Reservoir, IL

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Rockford, Greater Rockford Airport (KRFD)

Lat: 42.19° N Lon: 89.09° W Elev: 735 ft.

Mostly Cloudy

48°F

9°C

Humidity	56%
Wind Speed	NE 6 mph
Barometer	30.30 in (1026.3 mb)
Dewpoint	33°F (1°C)
Visibility	10.00 mi
Wind Chill	45°F (7°C)
Last update	21 May 1:54 am CDT

More Information:

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

Detailed forecast for

Boone County

Rest Of Tonight

Mostly cloudy late in the evening, then becoming partly cloudy. Lows in the lower 40s. Northeast winds around 10 mph.

Thursday

Mostly cloudy. A slight chance of sprinkles in the morning. Highs around 60. East winds 10 to 15 mph. Gusts up to 25 mph in the afternoon.

Thursday Night

Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s. East winds 10 to 15 mph.

Friday

Mostly cloudy. A chance of showers in the afternoon. Highs in the lower 60s. East winds 10 to 15 mph, increasing to 15 to 20 mph in the afternoon. Chance of precipitation 40 percent.

Friday Night

Showers likely. Lows in the upper 40s. East winds 15 to 20 mph with gusts up to 25 mph, diminishing to 5 to 10 mph after midnight. Chance of precipitation 70 percent.

Saturday

Mostly cloudy. Highs in the lower 70s.

Saturday Night

Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 50s. Chance of precipitation 20 percent.

Sunday

Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 70s.

Sunday Night

Partly cloudy. Lows in the lower 50s.

Memorial Day

Partly cloudy. Highs in the lower 80s.

Monday Night

Partly cloudy. Lows in the mid 50s.