Flag Center, IL Weather Forecast & Current Conditions

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Flag Center Weather Map
UTC Time: 10/1/2026, 20:27
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Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Flag Center, IL Regional Weather

Expires:202610012100;;373725
ASUS43 KLOT 012011
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 PM CDT THU OCT 01 2026

NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.

* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
  REPORT WEATHER SUCH AS PRECIPITATION OR FOG.


ILZ003-004-008-010-011-017-018-012100-
NORTH CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       LGT RAIN  64  62  93 N7        29.91S TC  18           
FREEPORT*      CLOUDY    64  62  94 N10       29.92F TC  18           
ROCHELLE*      LGT RAIN  64  64 100 NE12      29.88S TC  18           
DE KALB*       DRIZZLE   66  66 100 N12       29.89S TC  19           
$$


SKY/WX - Weather  TMP - Temperature  DP - Dew Point  RH - Humidity
WIND - Wind Direction/Speed PRES - Barometric Pressure VSB - Visibility
WCI - Wind Chill Index E13G22 Wind - East Wind 13 mph/Gusts of 22 mph

Flag Center, IL

Afternoon
Rain
68°/ 48° 20°/ 9°
100%
Friday
Sunny
65°/ 42° 18°/ 6°
0%
Saturday
Sunny
68°/ 45° 20°/ 7°
0%
Sunday
Sunny
70°/ 42° 21°/ 6°
0%
Monday
Sunny
65°/ 40° 18°/ 4°
0%
Tuesday
Sunny
68°/ 48° 20°/ 9°
0%
Wednesday
Cloudy
72°22°
0%

Day: Rain. Highs in the upper 60s. North winds 5 to 10 mph. Chance of precipitation near 100 percent.

Night: Cloudy. A chance of rain early in the evening. Less humid with lows in the upper 40s. North winds 5 to 10 mph. Chance of precipitation 50 percent.

Dixon, IL

Afternoon
Thunderstorms
72°/ 50° 22°/ 10°
100%
Friday
Cloudy
65°/ 42° 18°/ 6°
0%
Saturday
Sunny
68°/ 45° 20°/ 7°
0%
Sunday
Sunny
72°/ 42° 22°/ 6°
0%
Monday
Sunny
65°/ 40° 18°/ 4°
0%
Tuesday
Sunny
68°/ 48° 20°/ 9°
0%
Wednesday
Cloudy
72°22°
0%

Day: A slight chance of thunderstorms early in the afternoon. Rain. Some thunderstorms may produce heavy rainfall early in the afternoon. Highs in the lower 70s. Northwest winds 10 to 15 mph. Chance of precipitation near 100 percent.

Night: Cloudy. A chance of rain early in the evening, then a slight chance of rain late in the evening. Less humid with lows around 50. North winds 10 to 15 mph. Chance of precipitation 50 percent.

DeKalb, IL

Afternoon
Thunderstorms
70°/ 50° 21°/ 10°
100%
Friday
Cloudy
65°/ 45° 18°/ 7°
0%
Saturday
Sunny
65°/ 45° 18°/ 7°
0%
Sunday
Sunny
72°/ 42° 22°/ 6°
0%
Monday
Sunny
65°/ 40° 18°/ 4°
0%
Tuesday
Sunny
68°/ 48° 20°/ 9°
0%
Wednesday
Cloudy
72°22°
0%

Day: A slight chance of thunderstorms early in the afternoon. Rain. Some thunderstorms may produce heavy rainfall early in the afternoon. Highs around 70. Northwest winds around 10 mph. Chance of precipitation near 100 percent.

Night: Cloudy. Rain likely early in the evening, then a chance of rain late in the evening. Less humid with lows around 50. North winds 10 to 15 mph. Chance of precipitation 70 percent.

Rockford, IL

Afternoon
Rain
65°/ 48° 18°/ 9°
100%
Friday
Sunny
62°/ 45° 17°/ 7°
0%
Saturday
Sunny
65°/ 45° 18°/ 7°
0%
Sunday
Sunny
70°/ 40° 21°/ 4°
0%
Monday
Sunny
65°/ 38° 18°/ 3°
0%
Tuesday
Sunny
65°/ 48° 18°/ 9°
0%
Wednesday
Cloudy
72°22°
0%

Day: Rain. Near steady temperature in the mid 60s. North winds 5 to 10 mph. Chance of precipitation near 100 percent.

Night: Cloudy. A chance of rain early in the evening. Cooler. Less humid with lows in the upper 40s. North winds 5 to 10 mph. Chance of precipitation 50 percent.

Belvidere, IL

Afternoon
Rain
68°/ 48° 20°/ 9°
100%
Friday
Sunny
62°/ 45° 17°/ 7°
0%
Saturday
Sunny
65°/ 45° 18°/ 7°
0%
Sunday
Sunny
68°/ 40° 20°/ 4°
0%
Monday
Sunny
65°/ 38° 18°/ 3°
0%
Tuesday
Sunny
65°/ 48° 18°/ 9°
0%
Wednesday
Cloudy
72°22°
0%

Day: Rain. Highs in the upper 60s. North winds 5 to 10 mph. Chance of precipitation near 100 percent.

Night: Cloudy. A chance of rain early in the evening. Cooler. Less humid with lows in the upper 40s. North winds 5 to 10 mph. Chance of precipitation 50 percent.

Aurora, IL

Afternoon
Thunderstorms
72°/ 50° 22°/ 10°
100%
Friday
Cloudy
65°/ 45° 18°/ 7°
0%
Saturday
Sunny
65°/ 45° 18°/ 7°
0%
Sunday
Sunny
70°/ 42° 21°/ 6°
0%
Monday
Sunny
65°/ 40° 18°/ 4°
0%
Tuesday
Sunny
65°/ 45° 18°/ 7°
0%
Wednesday
Cloudy
72°22°
0%

Day: A slight chance of thunderstorms early in the afternoon. Rain. Some thunderstorms may produce heavy rainfall early in the afternoon. Highs in the lower 70s. Northwest winds around 10 mph. Chance of precipitation near 100 percent.

Night: Cloudy. Rain likely early in the evening, then a chance of rain late in the evening. Less humid with lows around 50. North winds 10 to 15 mph. Chance of precipitation 70 percent.

Ottawa, IL

Afternoon
Thunderstorms
72°/ 52° 22°/ 11°
100%
Friday
Cloudy
68°/ 45° 20°/ 7°
0%
Saturday
Sunny
68°/ 45° 20°/ 7°
0%
Sunday
Sunny
72°/ 45° 22°/ 7°
0%
Monday
Sunny
68°/ 40° 20°/ 4°
0%
Tuesday
Sunny
68°/ 48° 20°/ 9°
0%
Wednesday
Cloudy
75°24°
0%

Day: Rain and a slight chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Rain may be heavy at times. Highs in the lower 70s. West winds 5 to 10 mph. Chance of precipitation near 100 percent.

Night: Rain early in the evening, then a chance of rain late in the evening. A slight chance of rain after midnight. Less humid with lows in the lower 50s. North winds 10 to 15 mph, diminishing to 5 to 10 mph after midnight. Chance of precipitation near 100 percent.

Freeport, IL

Afternoon
Rain Showers
65°/ 48° 18°/ 9°
70%
Friday
Sunny
62°/ 42° 17°/ 6°
0%
Saturday
Sunny
65°/ 45° 18°/ 7°
0%
Sun-Sun Night
Clear
68°20°
0%
Mon-Mon Night
Clear
65°18°
0%
Tue-Tue Night
Clear
65°18°
0%
Wednesday
Sunny
72°22°
0%

Day: Showers likely. Near steady temperature in the mid 60s. North winds around 10 mph. Chance of rain 70 percent.

Night: Mostly cloudy. A chance of showers in the evening. Much cooler. Less humid with lows in the upper 40s. North winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 40 percent.

Oswego, IL

Afternoon
Thunderstorms
72°/ 52° 22°/ 11°
100%
Friday
Cloudy
65°/ 45° 18°/ 7°
0%
Saturday
Sunny
68°/ 45° 20°/ 7°
0%
Sunday
Sunny
72°/ 45° 22°/ 7°
0%
Monday
Sunny
68°/ 40° 20°/ 4°
0%
Tuesday
Sunny
68°/ 45° 20°/ 7°
0%
Wednesday
Cloudy
72°22°
0%

Day: Rain and a slight chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Rain may be heavy at times. Highs in the lower 70s. West winds 5 to 10 mph. Chance of precipitation near 100 percent.

Night: Rain, mainly in the evening. Lows in the lower 50s. North winds 10 to 15 mph. Chance of precipitation near 100 percent.

Princeton, IL

Afternoon
Thunderstorms
68°/ 52° 20°/ 11°
100%
Friday
Sunny
65°/ 42° 18°/ 6°
0%
Saturday
Sunny
68°/ 45° 20°/ 7°
0%
Sun Night
Clear
45°7°
0%
Mon-Mon Night
Clear
68°20°
0%
Tue-Tue Night
Clear
68°20°
0%
Wednesday
Sunny
75°24°
0%

Day: Showers with a slight chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Near steady temperature in the upper 60s. West winds 5 to 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Night: Mostly cloudy. Showers likely, mainly in the evening. Cooler. Less humid with lows in the lower 50s. North winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 70 percent.

Crystal Lake, IL

Afternoon
Rain
68°/ 48° 20°/ 9°
100%
Friday
Cloudy
62°/ 42° 17°/ 6°
0%
Saturday
Sunny
65°/ 45° 18°/ 7°
0%
Sunday
Sunny
68°/ 42° 20°/ 6°
0%
Monday
Sunny
65°/ 38° 18°/ 3°
0%
Tuesday
Sunny
65°/ 48° 18°/ 9°
0%
Wednesday
Cloudy
72°22°
0%

Day: Rain. Highs in the upper 60s. North winds 5 to 10 mph. Chance of precipitation near 100 percent.

Night: Cloudy. Rain likely early in the evening, then a slight chance of rain late in the evening. Cooler. Less humid with lows in the upper 40s. North winds 5 to 10 mph. Chance of precipitation 70 percent.

Sterling, IL

Afternoon
Rain Showers
68°/ 50° 20°/ 10°
100%
Friday
Sunny
65°/ 42° 18°/ 6°
0%
Saturday
Sunny
68°/ 45° 20°/ 7°
0%
Sun Night
Clear
45°7°
0%
Mon-Mon Night
Clear
65°18°
0%
Tue-Tue Night
Clear
68°20°
0%
Wednesday
Sunny
75°24°
0%

Day: Showers. Near steady temperature in the upper 60s. North winds 5 to 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Night: Mostly cloudy. A chance of showers in the evening. Cooler. Less humid with lows around 50. North winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent.

Mount Carroll, IL

Afternoon
Rain Showers
65°/ 48° 18°/ 9°
90%
Friday
Sunny
65°/ 42° 18°/ 6°
0%
Saturday
Sunny
65°/ 48° 18°/ 9°
0%
Sun Night
Clear
42°6°
0%
Mon Night
Clear
42°6°
0%
Tue-Tue Night
Clear
68°20°
0%
Wednesday
Sunny
72°22°
0%

Day: Showers. Near steady temperature in the mid 60s. North winds 5 to 10 mph. Chance of rain 90 percent.

Night: Mostly cloudy. A chance of showers in the evening. Much cooler. Less humid with lows in the upper 40s. North winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent.

Janesville, WI

Today
Rain Showers
65°/ 48° 18°/ 9°
90%
Friday
Sunny
62°/ 40° 17°/ 4°
0%
Saturday
Sunny
65°/ 45° 18°/ 7°
0%
Sunday
Sunny
68°/ 40° 20°/ 4°
0%
Monday
Sunny
65°/ 38° 18°/ 3°
0%
Tuesday
Sunny
65°/ 48° 18°/ 9°
0%
Wednesday
Partly Cloudy
70°21°
0%

Day: Patchy fog early in the afternoon. Light showers. Near steady temperature in the mid 60s. North winds 5 to 10 mph. Chance of showers 90 percent.

Night: Cooler. Mostly cloudy. A 40 percent chance of light rain showers in the evening. Lows in the upper 40s. North winds 5 to 10 mph.

Naperville, IL

Afternoon
Thunderstorms
72°/ 52° 22°/ 11°
100%
Friday
Cloudy
65°/ 45° 18°/ 7°
0%
Saturday
Sunny
65°/ 48° 18°/ 9°
0%
Sunday
Sunny
70°/ 45° 21°/ 7°
0%
Monday
Sunny
65°/ 42° 18°/ 6°
0%
Tuesday
Sunny
65°/ 48° 18°/ 9°
0%
Wednesday
Cloudy
72°22°
0%

Day: A slight chance of thunderstorms early in the afternoon. Rain. Some thunderstorms may produce heavy rainfall early in the afternoon. Rain may be heavy at times. Highs in the lower 70s. West winds around 10 mph. Chance of precipitation near 100 percent.

Night: Cloudy. Rain, mainly in the evening. Less humid with lows in the lower 50s. North winds around 10 mph. Chance of precipitation 90 percent.

Whitewater, WI

Today
Rain Showers
65°/ 48° 18°/ 9°
90%
Friday
Partly Cloudy
62°/ 42° 17°/ 6°
0%
Saturday
Sunny
65°/ 45° 18°/ 7°
0%
Sunday
Sunny
68°/ 40° 20°/ 4°
0%
Monday
Sunny
62°/ 38° 17°/ 3°
0%
Tuesday
Sunny
65°/ 48° 18°/ 9°
0%
Wednesday
Partly Cloudy
70°21°
0%

Day: Showers. Patchy fog. Near steady temperature in the mid 60s. North winds 5 to 10 mph. Chance of showers 90 percent.

Night: Cooler. Mostly cloudy. A 50 percent chance of light rain showers in the evening. Lows in the upper 40s. North winds 5 to 10 mph.

Joliet, IL

Afternoon
Thunderstorms
72°/ 55° 22°/ 13°
100%
Friday
Cloudy
65°/ 45° 18°/ 7°
0%
Saturday
Sunny
68°/ 45° 20°/ 7°
0%
Sunday
Sunny
72°/ 45° 22°/ 7°
0%
Monday
Sunny
65°/ 42° 18°/ 6°
0%
Tuesday
Sunny
68°/ 45° 20°/ 7°
0%
Wednesday
Cloudy
72°22°
0%

Day: Rain and a slight chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Rain may be heavy at times. Highs in the lower 70s. West winds 5 to 10 mph. Chance of precipitation near 100 percent.

Night: Rain early in the evening, then a chance of rain late in the evening. A slight chance of rain after midnight. Rain may be heavy at times early in the evening. Lows in the mid 50s. North winds 10 to 15 mph. Chance of precipitation near 100 percent.

Evanston, IL

Afternoon
Thunderstorms
72°/ 52° 22°/ 11°
100%
Friday
Cloudy
65°/ 48° 18°/ 9°
0%
Saturday
Sunny
65°/ 48° 18°/ 9°
0%
Sunday
Sunny
70°/ 45° 21°/ 7°
0%
Monday
Sunny
65°/ 42° 18°/ 6°
0%
Tuesday
Sunny
65°/ 48° 18°/ 9°
0%
Wednesday
Cloudy
72°22°
0%

Day: A slight chance of thunderstorms early in the afternoon. Rain. Some thunderstorms may produce heavy rainfall early in the afternoon. Highs in the lower 70s. Northwest winds around 10 mph. Chance of precipitation near 100 percent.

Night: Cloudy. Rain early in the evening, then a chance of rain late in the evening. Less humid with lows in the lower 50s. North winds 5 to 10 mph, increasing to 10 to 15 mph after midnight. Chance of precipitation 90 percent.

Hennepin, IL

Afternoon
Thunderstorms
72°/ 52° 22°/ 11°
100%
Friday
Sunny
68°/ 42° 20°/ 6°
0%
Saturday
Sunny
68°/ 45° 20°/ 7°
0%
Sun Night
Clear
42°6°
0%
Mon Night
Clear
42°6°
0%
Tue-Tue Night
Clear
68°20°
0%
Wednesday
Sunny
75°24°
0%

Day: Showers with a slight chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Near steady temperature in the lower 70s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Night: Mostly cloudy. Showers, mainly in the evening. Cooler with lows in the lower 50s. North winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 80 percent.

Monroe, WI

Today
Rain Showers
65°/ 48° 18°/ 9°
70%
Friday
Sunny
62°/ 40° 17°/ 4°
0%
Saturday
Sunny
65°/ 48° 18°/ 9°
0%
Sunday
Sunny
68°/ 40° 20°/ 4°
0%
Monday
Sunny
65°/ 40° 18°/ 4°
0%
Tuesday
Sunny
65°/ 50° 18°/ 10°
0%
Wednesday
Sunny
72°22°
0%

Day: Cloudy. Light showers likely early in the afternoon, then chance of light showers late in the afternoon. Near steady temperature in the mid 60s. North winds 5 to 10 mph. Chance of showers 70 percent.

Night: Cooler. Mostly cloudy. A 20 percent chance of light rain showers in the evening. Lows in the upper 40s. North winds 5 to 10 mph.

Names listed above may include county names.

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