Irene, IL Weather Forecast & Current Conditions

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Irene Weather Map
UTC Time: 9/18/2026, 15:39
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Irene, IL Regional Weather

Expires:202609181600;;660140
ASUS43 KLOT 181511
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 AM CDT FRI SEP 18 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.


ILZ003-004-008-010-011-017-018-181600-
NORTH CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       CLOUDY    66  60  81 NE6       30.31S TC  19           
FREEPORT*      CLOUDY    64  63  95 E9        30.30F TC  18           
ROCHELLE*      CLOUDY    65  64  94 NE10      30.29S TC  19           
DE KALB*       PTSUNNY   67  61  83 NE9       30.30R TC  19           
PERU*          CLOUDY    70  61  73 NE12      30.25F TC  21           
$$


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

Irene, IL

Today
Rain Showers
72°/ 58° 22°/ 14°
90%
Saturday
Thunderstorms
72°/ 58° 22°/ 14°
100%
Sunday
Thunderstorms
65°/ 50° 18°/ 10°
70%
Monday
Rain Showers
62°/ 48° 17°/
50%
Tuesday
Mostly Cloudy
62°/ 45° 17°/
0%
Wednesday
Mostly Cloudy
65°/ 45° 18°/
0%
Thursday
Mostly Cloudy
68°20°
0%

Day: Mostly cloudy. Isolated showers late in the morning, then scattered showers in the late morning and early afternoon. Isolated showers late. Highs in the lower 70s. East winds 10 to 15 mph. Chance of precipitation 40 percent.

Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers with thunderstorms likely after midnight. Locally heavy rainfall possible late. Lows in the upper 50s. East winds 10 to 15 mph. Chance of precipitation 90 percent.

Belvidere, IL

Today
Rain Showers
72°/ 58° 22°/ 14°
90%
Saturday
Thunderstorms
72°/ 58° 22°/ 14°
100%
Sunday
Thunderstorms
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
62°/ 48° 17°/
50%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Mostly Cloudy
65°/ 45° 18°/
0%
Thursday
Mostly Cloudy
68°20°
0%

Day: Mostly cloudy. Isolated showers late in the morning, then scattered showers in the late morning and early afternoon. Isolated showers late. Highs in the lower 70s. East winds 10 to 15 mph. Chance of precipitation 30 percent.

Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers with thunderstorms likely after midnight. Locally heavy rainfall possible late. Lows in the upper 50s. East winds 10 to 15 mph. Chance of precipitation 90 percent.

DeKalb, IL

Today
Rain Showers
72°/ 60° 22°/ 16°
90%
Saturday
Thunderstorms
75°/ 62° 24°/ 17°
100%
Sunday
Thunderstorms
68°/ 52° 20°/ 11°
70%
Monday
Rain Showers
62°/ 48° 17°/
60%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Mostly Cloudy
65°/ 48° 18°/
0%
Thursday
Mostly Cloudy
68°20°
0%

Day: Mostly cloudy. Isolated showers. Highs in the lower 70s. East winds 10 to 15 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers with thunderstorms likely after midnight. Lows around 60. East winds 10 to 15 mph. Chance of precipitation 90 percent.

Rochelle, IL

Today
Rain Showers
72°/ 60° 22°/ 16°
90%
Saturday
Thunderstorms
75°/ 58° 24°/ 14°
100%
Sunday
Thunderstorms
68°/ 52° 20°/ 11°
70%
Monday
Rain Showers
62°/ 48° 17°/
60%
Tuesday
Mostly Cloudy
62°/ 45° 17°/
0%
Wednesday
Mostly Cloudy
65°/ 45° 18°/
0%
Thursday
Cloudy
68°20°
0%

Day: Mostly cloudy. Isolated showers late in the morning, then scattered showers in the late morning and early afternoon. Isolated showers late. Highs in the lower 70s. East winds 5 to 10 mph. Chance of precipitation 30 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers with thunderstorms likely after midnight. Lows around 60. East winds 10 to 15 mph. Chance of precipitation 90 percent.

Crystal Lake, IL

Today
Rain Showers
70°/ 58° 21°/ 14°
90%
Saturday
Thunderstorms
72°/ 58° 22°/ 14°
100%
Sunday
Thunderstorms
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
62°/ 48° 17°/
50%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Mostly Cloudy
62°/ 48° 17°/
0%
Thursday
Mostly Cloudy
68°20°
0%

Day: Mostly cloudy. Isolated showers in the late morning and afternoon. Highs around 70. East winds around 10 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers with thunderstorms likely after midnight. Locally heavy rainfall possible late. Lows in the upper 50s. East winds around 10 mph. Chance of precipitation 90 percent.

Janesville, WI

Today
Rain Showers
72°/ 60° 22°/ 16°
100%
Saturday
Thunderstorms
70°/ 58° 21°/ 14°
90%
Sunday
Rain Showers
65°/ 50° 18°/ 10°
70%
Monday
Rain Showers
60°/ 48° 16°/
50%
Tuesday
Rain Showers
60°/ 45° 16°/
20%
Wednesday
Partly Cloudy
62°/ 45° 17°/
0%
Thursday
Partly Cloudy
68°20°
0%

Day: Mostly cloudy. A 20 percent chance of light rain showers in the afternoon. Highs in the lower 70s. East winds 5 to 15 mph.

Night: Showers likely and slight chance of thunderstorms through around midnight, then showers and chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall after midnight. Locally heavy rainfall possible after midnight. Lows around 60. East winds 10 to 15 mph. Chance of precipitation near 100 percent.

Whitewater, WI

Today
Rain Showers
70°/ 58° 21°/ 14°
100%
Saturday
Thunderstorms
70°/ 58° 21°/ 14°
90%
Sunday
Rain Showers
65°/ 50° 18°/ 10°
60%
Monday
Rain Showers
62°/ 48° 17°/
50%
Tuesday
Rain Showers
60°/ 48° 16°/
20%
Wednesday
Partly Cloudy
62°/ 48° 17°/
0%
Thursday
Partly Cloudy
68°20°
0%

Day: Mostly cloudy. A 20 percent chance of light rain showers late in the afternoon. Highs around 70. East winds 5 to 15 mph.

Night: Chance of showers through around midnight. Chance of thunderstorms in the late evening and overnight. Showers after midnight. Locally heavy rainfall possible after midnight. Lows in the upper 50s. East winds 10 to 15 mph. Chance of precipitation near 100 percent.

Aurora, IL

Today
Rain Showers
72°/ 58° 22°/ 14°
80%
Saturday
Thunderstorms
75°/ 62° 24°/ 17°
100%
Sunday
Thunderstorms
68°/ 52° 20°/ 11°
70%
Monday
Rain Showers
62°/ 50° 17°/ 10°
60%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Mostly Cloudy
65°/ 48° 18°/
0%
Thursday
Mostly Cloudy
68°20°
0%

Day: Mostly cloudy. Isolated showers in the late morning and afternoon. Highs in the lower 70s. East winds around 10 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers with thunderstorms likely after midnight. Lows in the upper 50s. East winds around 10 mph. Chance of precipitation 80 percent.

Dixon, IL

Today
Rain Showers
72°/ 62° 22°/ 17°
80%
Saturday
Thunderstorms
78°/ 62° 26°/ 17°
100%
Sunday
Thunderstorms
68°/ 52° 20°/ 11°
80%
Monday
Rain Showers
62°/ 50° 17°/ 10°
60%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Mostly Cloudy
65°/ 48° 18°/
0%
Thursday
Cloudy
68°20°
0%

Day: Mostly cloudy. Isolated showers late in the morning, then scattered showers in the late morning and early afternoon. Isolated showers late. Highs in the lower 70s. East winds 5 to 10 mph. Chance of precipitation 30 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers with thunderstorms likely after midnight. Lows in the lower 60s. Southeast winds 10 to 15 mph. Chance of precipitation 80 percent.

Freeport, IL

Today
Thunderstorms
72°/ 60° 22°/ 16°
90%
Saturday
Thunderstorms
75°/ 58° 24°/ 14°
100%
Sunday
Rain Showers
65°/ 50° 18°/ 10°
70%
Monday
Rain Showers
62°/ 48° 17°/
60%
Tuesday
Mostly Cloudy
62°/ 45° 17°/
0%
Wed Night
Mostly Cloudy
45°
0%
Thursday
Sunny
68°20°
0%

Day: Mostly cloudy with a chance of showers. A slight chance of thunderstorms this afternoon. Highs in the lower 70s. East winds 10 to 15 mph. Chance of rain 50 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Locally heavy rainfall possible after midnight. Lows around 60. East winds 10 to 15 mph. Chance of rain 90 percent.

Monroe, WI

Today
Thunderstorms
70°/ 60° 21°/ 16°
100%
Saturday
Thunderstorms
72°/ 58° 22°/ 14°
90%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
62°/ 48° 17°/
50%
Tuesday
Rain Showers
62°/ 45° 17°/
20%
Wednesday
Partly Cloudy
65°/ 48° 18°/
0%
Thursday
Partly Cloudy
68°20°
0%

Day: Mostly cloudy. Patchy fog in the morning. Slight chance of light rain showers late in the morning. Chance of light rain showers and slight chance of thunderstorms in the afternoon. Highs around 70. East winds 5 to 15 mph. Chance of precipitation 40 percent.

Night: Chance of light showers and slight chance of thunderstorms in the evening, then showers and chance of thunderstorms in the late evening and overnight. Locally heavy rainfall possible in the late evening and overnight. Lows around 60. East winds 10 to 15 mph. Chance of precipitation near 100 percent.

Evanston, IL

Today
Rain Showers
70°/ 58° 21°/ 14°
80%
Saturday
Thunderstorms
72°/ 60° 22°/ 16°
100%
Sunday
Thunderstorms
68°/ 52° 20°/ 11°
70%
Monday
Rain Showers
62°/ 52° 17°/ 11°
60%
Tuesday
Mostly Cloudy
62°/ 52° 17°/ 11°
0%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°20°
0%

Day: Mostly cloudy. Isolated showers in the afternoon. Highs around 70. East winds around 10 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms late in the evening. A chance of showers and thunderstorms after midnight, then showers with thunderstorms likely late. Lows in the upper 50s. East winds 10 to 15 mph. Chance of precipitation 80 percent.

Mount Carroll, IL

Today
Thunderstorms
72°/ 62° 22°/ 17°
90%
Saturday
Thunderstorms
75°/ 60° 24°/ 16°
100%
Sunday
Rain Showers
68°/ 52° 20°/ 11°
70%
Monday
Rain Showers
62°/ 48° 17°/
60%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Cloudy
48°
0%
Thursday
Cloudy
48°
0%

Day: Mostly cloudy late this morning, then becoming partly sunny. A chance of showers with a slight chance of thunderstorms. Highs in the lower 70s. East winds 5 to 10 mph. Chance of rain 50 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Lows in the lower 60s. East winds 10 to 15 mph. Chance of rain 90 percent.

Oswego, IL

Today
Rain Showers
75°/ 62° 24°/ 17°
70%
Saturday
Thunderstorms
78°/ 65° 26°/ 18°
100%
Sunday
Thunderstorms
70°/ 55° 21°/ 13°
80%
Monday
Thunderstorms
65°/ 52° 18°/ 11°
60%
Tuesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Wednesday
Mostly Cloudy
65°/ 50° 18°/ 10°
0%
Thursday
Mostly Cloudy
70°21°
0%

Day: Mostly cloudy. Isolated showers. Highs in the mid 70s. East winds around 10 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms after midnight. Showers and thunderstorms likely late. Lows in the lower 60s. East winds around 10 mph. Chance of precipitation 70 percent.

Naperville, IL

Today
Rain Showers
72°/ 60° 22°/ 16°
80%
Saturday
Thunderstorms
75°/ 62° 24°/ 17°
100%
Sunday
Thunderstorms
68°/ 55° 20°/ 13°
70%
Monday
Thunderstorms
62°/ 52° 17°/ 11°
60%
Tuesday
Mostly Cloudy
62°/ 52° 17°/ 11°
0%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°20°
0%

Day: Mostly cloudy. Isolated showers in the late morning and afternoon. Highs in the lower 70s. East winds around 10 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms after midnight. Showers with thunderstorms likely late. Lows around 60. East winds around 10 mph. Chance of precipitation 80 percent.

Kenosha, WI

Today
Partly Cloudy
70°/ 60° 21°/ 16°
100%
Saturday
Thunderstorms
70°/ 58° 21°/ 14°
90%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
60%
Monday
Rain Showers
62°/ 48° 17°/
50%
Tuesday
Rain Showers
62°/ 48° 17°/
20%
Wednesday
Mostly Cloudy
62°/ 48° 17°/
0%
Thursday
Partly Cloudy
68°20°
0%

Day: Partly sunny. Highs around 70. East winds 5 to 15 mph.

Night: Chance of light showers through around midnight, then showers and chance of thunderstorms after midnight. Locally heavy rainfall possible early in the morning. Lows around 60. East winds 5 to 15 mph. Chance of precipitation near 100 percent.

Waukegan, IL

Today
Rain Showers
70°/ 58° 21°/ 14°
90%
Saturday
Thunderstorms
72°/ 58° 22°/ 14°
100%
Sunday
Thunderstorms
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
62°/ 50° 17°/ 10°
50%
Tuesday
Mostly Cloudy
62°/ 50° 17°/ 10°
0%
Wednesday
Mostly Cloudy
62°/ 48° 17°/
0%
Thursday
Mostly Cloudy
68°20°
0%

Day: Mostly cloudy. Isolated showers in the afternoon. Highs around 70. East winds 10 to 15 mph. Chance of precipitation 20 percent.

Night: Cloudy. A slight chance of showers and thunderstorms in the evening, then showers with thunderstorms likely after midnight. Locally heavy rainfall possible late. Lows in the upper 50s. East winds 10 to 15 mph. Chance of precipitation 90 percent.

Ottawa, IL

Today
Rain Showers
75°/ 65° 24°/ 18°
70%
Saturday
Thunderstorms
78°/ 65° 26°/ 18°
100%
Sunday
Thunderstorms
72°/ 55° 22°/ 13°
80%
Monday
Thunderstorms
65°/ 52° 18°/ 11°
70%
Tuesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Wednesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Thursday
Cloudy
70°21°
0%

Day: Mostly cloudy. Isolated showers late in the morning, then scattered showers late in the morning. Isolated showers in the afternoon. Highs in the mid 70s. East winds 5 to 10 mph. Chance of precipitation 30 percent.

Night: Partly cloudy in the evening, then becoming cloudy. A chance of showers and thunderstorms after midnight. Showers and thunderstorms likely late. Lows in the mid 60s. East winds around 10 mph. Chance of precipitation 70 percent.

Sterling, IL

Today
Thunderstorms
75°/ 62° 24°/ 17°
80%
Saturday
Thunderstorms
78°/ 62° 26°/ 17°
100%
Sunday
Rain Showers
68°/ 52° 20°/ 11°
70%
Monday
Rain Showers
65°/ 50° 18°/ 10°
70%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Cloudy
48°
0%
Thursday
Cloudy
48°
0%

Day: Partly sunny with a chance of showers with a slight chance of thunderstorms. Highs in the mid 70s. East winds around 10 mph. Chance of rain 50 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Humid with lows in the lower 60s. Southeast winds around 10 mph. Chance of rain 80 percent.

Racine, WI

Today
Mostly Cloudy
68°/ 58° 20°/ 14°
100%
Saturday
Thunderstorms
68°/ 58° 20°/ 14°
90%
Sunday
Rain Showers
65°/ 50° 18°/ 10°
60%
Monday
Rain Showers
62°/ 48° 17°/
50%
Tuesday
Rain Showers
62°/ 48° 17°/
20%
Wednesday
Mostly Cloudy
62°/ 48° 17°/
0%
Thursday
Partly Cloudy
65°18°
0%

Day: Mostly cloudy. Highs in the upper 60s. East winds 5 to 15 mph.

Night: Chance of light rain showers through around midnight, then rain showers and chance of thunderstorms after midnight. Locally heavy rainfall possible early in the morning. Lows in the upper 50s. East winds 5 to 15 mph. Chance of precipitation near 100 percent.

Names listed above may include county names.

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