Winnebago, IL Weather Forecast & Current Conditions

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Winnebago Weather Map
UTC Time: 10/9/2026, 21:14
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Winnebago, IL Regional Weather

Expires:202610092200;;816700
ASUS43 KLOT 092112
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 PM CDT FRI OCT 09 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.


ILZ003-004-008-010-011-017-018-092200-
NORTH CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       PTSUNNY   65  57  75 SE8       30.08F TC  18           
FREEPORT*      MOSUNNY   67  60  78 SE13G18   30.08F TC  19           
ROCHELLE*      MOSUNNY   67  59  73 E10       30.07F TC  20           
DE KALB*       MOSUNNY   69  55  60 E8        30.09F 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

Winnebago, IL

Afternoon
Thunderstorms
68°/ 58° 20°/ 14°
70%
Saturday
Cloudy
78°/ 55° 26°/ 13°
0%
Sunday
Cloudy
78°/ 58° 26°/ 14°
0%
Columbus Day
Mostly Cloudy
82°28°
0%
Mon Night
Thunderstorms
58°14°
30%
Tuesday
Cloudy
70°/ 50° 21°/ 10°
0%
Wednesday
Rain Showers
65°/ 50° 18°/ 10°
50%
Thursday
Rain Showers
68°20°
50%

Day: Showers likely and a slight chance of thunderstorms early in the afternoon. Near steady temperature in the upper 60s. Southeast winds around 10 mph. Chance of precipitation 70 percent.

Night: Clear. Lows in the upper 50s. Southeast winds 5 to 10 mph.

Rochelle, IL

Afternoon
Thunderstorms
72°/ 58° 22°/ 14°
70%
Saturday
Cloudy
80°/ 55° 27°/ 13°
0%
Sunday
Cloudy
78°/ 58° 26°/ 14°
0%
Columbus Day
Cloudy
82°28°
0%
Mon Night
Thunderstorms
60°16°
30%
Tuesday
Cloudy
72°/ 52° 22°/ 11°
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
60%
Thursday
Rain Showers
68°20°
50%

Day: Showers likely and a slight chance of thunderstorms early in the afternoon. Highs in the lower 70s. Southeast winds 5 to 10 mph. Chance of precipitation 70 percent.

Night: Clear. Lows in the upper 50s. Southeast winds 5 to 10 mph.

Freeport, IL

Afternoon
Thunderstorms
72°/ 58° 22°/ 14°
50%
Saturday
Partly Cloudy
80°/ 55° 27°/ 13°
0%
Sunday
Sunny
78°/ 60° 26°/ 16°
0%
Columbus Day
Sunny
82°28°
0%
Mon Night
Thunderstorms
58°14°
30%
Tuesday
Sunny
70°/ 50° 21°/ 10°
30%
Wednesday
Rain Showers
65°/ 50° 18°/ 10°
60%
Thursday
Rain Showers
68°20°
50%

Day: Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 70s. Southeast winds 5 to 10 mph. Chance of rain 50 percent.

Night: Mostly clear. Not as cool with lows in the upper 50s. Southeast winds 5 to 10 mph.

Belvidere, IL

Afternoon
Thunderstorms
65°/ 55° 18°/ 13°
70%
Saturday
Cloudy
78°/ 55° 26°/ 13°
0%
Sunday
Cloudy
75°/ 58° 24°/ 14°
0%
Columbus Day
Mostly Cloudy
82°28°
0%
Mon Night
Thunderstorms
58°14°
30%
Tuesday
Cloudy
70°/ 50° 21°/ 10°
0%
Wednesday
Rain Showers
65°/ 50° 18°/ 10°
50%
Thursday
Rain Showers
68°20°
50%

Day: Showers likely and a slight chance of thunderstorms early in the afternoon. Near steady temperature in the mid 60s. Southeast winds 5 to 10 mph. Chance of precipitation 70 percent.

Night: Clear. Lows in the mid 50s. Southeast winds 5 to 10 mph.

DeKalb, IL

Afternoon
Thunderstorms
70°/ 55° 21°/ 13°
70%
Saturday
Mostly Cloudy
78°/ 58° 26°/ 14°
0%
Sunday
Cloudy
75°/ 58° 24°/ 14°
0%
Columbus Day
Cloudy
82°28°
0%
Mon Night
Thunderstorms
62°17°
30%
Tuesday
Cloudy
72°/ 52° 22°/ 11°
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
50%
Thursday
Rain Showers
68°20°
60%

Day: Showers likely and a slight chance of thunderstorms early in the afternoon. Highs around 70. Southeast winds 5 to 10 mph. Chance of precipitation 70 percent.

Night: Clear. Lows in the mid 50s. Southeast winds 5 to 10 mph.

Janesville, WI

Today
Thunderstorms
68°/ 55° 20°/ 13°
80%
Saturday
Partly Cloudy
78°/ 55° 26°/ 13°
0%
Sunday
Sunny
78°/ 58° 26°/ 14°
0%
Columbus Day
Partly Cloudy
78°26°
0%
Mon Night
Thunderstorms
58°14°
30%
Tuesday
Partly Cloudy
68°/ 48° 20°/ 9°
20%
Wednesday
Rain Showers
65°/ 48° 18°/ 9°
50%
Thursday
Thunderstorms
65°18°
50%

Day: Partly sunny. Light showers and slight chance of thunderstorms early in the afternoon, then chance of light showers and slight chance of thunderstorms late in the afternoon. Highs in the upper 60s. Southeast winds around 10 mph. Chance of precipitation 80 percent.

Night: Mostly clear. Lows in the mid 50s. Southeast winds around 10 mph.

Monroe, WI

Today
Thunderstorms
68°/ 58° 20°/ 14°
80%
Saturday
Partly Cloudy
80°/ 55° 27°/ 13°
0%
Sunday
Sunny
78°/ 60° 26°/ 16°
0%
Columbus Day
Thunderstorms
80°27°
20%
Mon Night
Thunderstorms
58°14°
30%
Tuesday
Partly Cloudy
68°/ 48° 20°/ 9°
20%
Wednesday
Rain Showers
65°/ 50° 18°/ 10°
50%
Thursday
Thunderstorms
65°18°
50%

Day: Partly sunny. Light showers and slight chance of thunderstorms early in the afternoon, then chance of light showers late in the afternoon. Highs in the upper 60s. Southeast winds around 10 mph. Chance of precipitation 80 percent.

Night: Mostly clear. Lows in the upper 50s. Southeast winds around 10 mph.

Mount Carroll, IL

Afternoon
Thunderstorms
72°/ 58° 22°/ 14°
50%
Saturday
Partly Cloudy
82°/ 55° 28°/ 13°
0%
Sunday
Sunny
78°26°
0%
Sun Night
Cloudy
60°16°
0%
Mon Night
Cloudy
60°16°
0%
Tuesday
Sunny
72°/ 52° 22°/ 11°
30%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
60%
Thursday
Rain Showers
68°20°
50%

Day: Sunny with a chance of showers and thunderstorms. Highs in the lower 70s. Southeast winds 5 to 10 mph. Chance of rain 50 percent.

Night: Mostly clear. Not as cool with lows in the upper 50s. Southeast winds 5 to 10 mph.

Dixon, IL

Afternoon
Thunderstorms
72°/ 58° 22°/ 14°
50%
Saturday
Cloudy
80°/ 55° 27°/ 13°
0%
Sunday
Cloudy
78°/ 60° 26°/ 16°
0%
Columbus Day
Cloudy
85°29°
0%
Mon Night
Thunderstorms
62°17°
20%
Tuesday
Cloudy
72°/ 52° 22°/ 11°
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
60%
Thursday
Rain Showers
68°20°
60%

Day: Partly cloudy. A chance of showers and a slight chance of thunderstorms early in the afternoon. Highs in the lower 70s. Southeast winds 5 to 10 mph. Chance of precipitation 50 percent.

Night: Clear. Lows in the upper 50s. Southeast winds 5 to 10 mph.

Whitewater, WI

Today
Thunderstorms
65°/ 55° 18°/ 13°
90%
Saturday
Mostly Cloudy
78°/ 55° 26°/ 13°
0%
Sunday
Sunny
75°/ 58° 24°/ 14°
0%
Columbus Day
Partly Cloudy
78°26°
0%
Mon Night
Thunderstorms
58°14°
40%
Tuesday
Thunderstorms
68°/ 48° 20°/ 9°
20%
Wednesday
Rain Showers
65°/ 48° 18°/ 9°
50%
Thursday
Thunderstorms
65°18°
50%

Day: Partly sunny. Light showers and slight chance of thunderstorms early in the afternoon, then chance of light showers and slight chance of thunderstorms late in the afternoon. Near steady temperature in the mid 60s. Southeast winds around 10 mph. Chance of precipitation 90 percent.

Night: Partly cloudy through around midnight then clearing. Lows in the mid 50s. Southeast winds around 10 mph.

Crystal Lake, IL

Afternoon
Thunderstorms
65°/ 55° 18°/ 13°
50%
Saturday
Cloudy
78°/ 55° 26°/ 13°
0%
Sunday
Mostly Cloudy
75°/ 58° 24°/ 14°
0%
Columbus Day
Mostly Cloudy
82°28°
0%
Mon Night
Thunderstorms
58°14°
40%
Tuesday
Cloudy
70°/ 50° 21°/ 10°
0%
Wednesday
Rain Showers
65°/ 50° 18°/ 10°
50%
Thursday
Rain Showers
68°20°
50%

Day: Mostly cloudy. A chance of showers and a slight chance of thunderstorms. Near steady temperature in the mid 60s. Southeast winds 5 to 10 mph. Chance of precipitation 50 percent.

Night: Mostly clear. Lows in the mid 50s. Southeast winds 5 to 10 mph.

Sterling, IL

Afternoon
Thunderstorms
75°/ 60° 24°/ 16°
20%
Saturday
Sunny
82°/ 55° 28°/ 13°
0%
Sunday
Sunny
78°/ 62° 26°/ 17°
0%
Columbus Day And Mon Night
Cloudy
85°29°
0%
Tuesday
Sunny
72°/ 52° 22°/ 11°
30%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
60%
Thursday
Rain Showers
68°20°
50%

Day: Sunny with a slight chance of showers and thunderstorms. Highs in the mid 70s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.

Night: Mostly clear. Lows around 60. Southeast winds 5 to 10 mph.

Galena, IL

Afternoon
Thunderstorms
72°/ 58° 22°/ 14°
50%
Saturday
Partly Cloudy
80°/ 55° 27°/ 13°
0%
Sunday
Sunny
78°26°
0%
Sun Night
Cloudy
60°16°
0%
Mon Night
Cloudy
60°16°
0%
Tuesday
Sunny
70°/ 52° 21°/ 11°
30%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
60%
Thursday
Rain Showers
65°18°
50%

Day: Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 70s. Southeast winds 5 to 10 mph. Chance of rain 50 percent.

Night: Clear. Not as cool with lows in the upper 50s. Southeast winds 5 to 10 mph.

Aurora, IL

Afternoon
Thunderstorms
68°/ 55° 20°/ 13°
70%
Saturday
Mostly Cloudy
78°/ 58° 26°/ 14°
0%
Sunday
Mostly Cloudy
75°/ 58° 24°/ 14°
0%
Columbus Day
Mostly Cloudy
82°28°
0%
Mon Night
Thunderstorms
62°17°
30%
Tuesday
Cloudy
72°/ 52° 22°/ 11°
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
50%
Thursday
Rain Showers
68°20°
60%

Day: Showers likely early in the afternoon. A slight chance of thunderstorms. A slight chance of showers late. Near steady temperature in the upper 60s. Southeast winds 5 to 10 mph. Chance of precipitation 70 percent.

Night: Mostly clear. Lows in the mid 50s. Southeast winds 5 to 10 mph.

Darlington, WI

Today
Thunderstorms
70°/ 58° 21°/ 14°
50%
Saturday
Partly Cloudy
80°/ 55° 27°/ 13°
0%
Sunday
Sunny
78°/ 60° 26°/ 16°
0%
Columbus Day
Thunderstorms
78°26°
20%
Mon Night
Thunderstorms
58°14°
30%
Tuesday
Partly Cloudy
68°/ 50° 20°/ 10°
20%
Wednesday
Rain Showers
65°/ 50° 18°/ 10°
60%
Thursday
Thunderstorms
65°18°
50%

Day: Partly sunny. A 50 percent chance of light showers and thunderstorms early in the afternoon. Highs around 70. Southeast winds 10 to 15 mph.

Night: Clear. Lows in the upper 50s. Southeast winds 5 to 10 mph.

Madison, WI

Today
Thunderstorms
68°/ 58° 20°/ 14°
80%
Saturday
Partly Cloudy
80°/ 55° 27°/ 13°
0%
Sunday
Sunny
78°/ 60° 26°/ 16°
0%
Columbus Day
Thunderstorms
78°26°
20%
Mon Night
Thunderstorms
58°14°
40%
Tuesday
Partly Cloudy
68°/ 48° 20°/ 9°
20%
Wednesday
Rain Showers
65°/ 48° 18°/ 9°
50%
Thursday
Thunderstorms
65°18°
50%

Day: Partly sunny. Light showers and slight chance of thunderstorms early in the afternoon, then chance of light showers late in the afternoon. Highs in the upper 60s. Southeast winds around 10 mph. Chance of precipitation 80 percent.

Night: Partly cloudy through around midnight then clearing. Lows in the upper 50s. Southeast winds 5 to 15 mph.

Ottawa, IL

Afternoon
Thunderstorms
75°/ 58° 24°/ 14°
20%
Saturday
Mostly Cloudy
82°/ 58° 28°/ 14°
0%
Sunday
Mostly Cloudy
78°/ 60° 26°/ 16°
0%
Columbus Day
Cloudy
85°29°
0%
Mon Night
Thunderstorms
62°17°
20%
Tuesday
Cloudy
75°/ 55° 24°/ 13°
40%
Wednesday
Rain Showers
70°/ 55° 21°/ 13°
60%
Thursday
Rain Showers
70°21°
60%

Day: Partly cloudy. A slight chance of showers and thunderstorms early in the afternoon. Highs in the mid 70s. Southeast winds 5 to 10 mph. Chance of precipitation 20 percent.

Night: Clear. Lows in the upper 50s. Southeast winds 5 to 10 mph.

Maquoketa, IA

Afternoon
Thunderstorms
72°/ 60° 22°/ 16°
20%
Saturday
Partly Cloudy
82°/ 55° 28°/ 13°
0%
Sunday
Sunny
78°/ 62° 26°/ 17°
0%
Mon Night
Clear
60°16°
0%
Tuesday
Sunny
72°/ 52° 22°/ 11°
30%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
60%
Thursday
Rain Showers
68°20°
50%

Day: Sunny with a slight chance of showers and thunderstorms. Highs in the lower 70s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.

Night: Clear. Lows around 60. Southeast winds 5 to 10 mph.

Watertown, WI

Today
Thunderstorms
65°/ 55° 18°/ 13°
90%
Saturday
Partly Cloudy
78°/ 55° 26°/ 13°
0%
Sunday
Sunny
78°/ 58° 26°/ 14°
0%
Columbus Day
Partly Cloudy
78°26°
0%
Mon Night
Thunderstorms
55°13°
40%
Tuesday
Thunderstorms
68°/ 48° 20°/ 9°
20%
Wednesday
Rain Showers
65°/ 48° 18°/ 9°
50%
Thursday
Thunderstorms
65°18°
50%

Day: Partly sunny. Light showers and slight chance of thunderstorms early in the afternoon, then chance of light showers and slight chance of thunderstorms late in the afternoon. Near steady temperature in the mid 60s. Southeast winds around 10 mph. Chance of precipitation 90 percent.

Night: Partly cloudy through around midnight then clearing. Lows in the mid 50s. Southeast winds around 10 mph.

Princeton, IL

Afternoon
Thunderstorms
78°/ 60° 26°/ 16°
20%
Saturday
Mostly Cloudy
82°/ 55° 28°/ 13°
0%
Sunday
Sunny
78°/ 62° 26°/ 17°
0%
Columbus Day
Sunny
85°29°
0%
Mon Night
Cloudy
62°17°
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
40%
Wednesday
Rain Showers
70°/ 52° 21°/ 11°
60%
Thursday
Rain Showers
70°21°
50%

Day: Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 70s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.

Night: Mostly clear. Lows around 60. Southeast winds 5 to 10 mph with gusts up to 20 mph.

Names listed above may include county names.

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