Leaf River, IL Weather Forecast & Current Conditions

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Leaf River, IL Weather Maps

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Leaf River Weather Map
UTC Time: 9/20/2026, 20:52
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Leaf River, IL Regional Weather

Expires:202609202100;;781828
ASUS43 KLOT 202010
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 PM CDT SUN SEP 20 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.


ILZ003-004-008-010-011-017-018-202100-
NORTH CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       LGT RAIN  63  62  97 N12G20    30.03S FOG     TC  17   
FREEPORT*      CLOUDY    62  60  94 NE13      30.05R TC  17           
ROCHELLE*      CLOUDY    64  64 100 NE14G20   30.00S TC  18           
DE KALB*       CLOUDY    64  64 100 NE16      30.01S FOG     TC  18   
PERU*          CLOUDY    68  64  88 NE16      29.96S TC  20           
$$


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

Leaf River, IL

Afternoon
Rain Showers
62°/ 55° 17°/ 13°
70%
Monday
Rain Showers
62°/ 50° 17°/ 10°
30%
Tuesday
Rain Showers
62°/ 48° 17°/
20%
Wednesday
Cloudy
65°/ 48° 18°/
0%
Thursday
Mostly Cloudy
68°/ 48° 20°/
0%
Friday
Mostly Cloudy
68°/ 48° 20°/
0%
Saturday
Mostly Cloudy
72°22°
0%

Day: Showers likely early in the afternoon, then a slight chance of showers late. Near steady temperature in the lower 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 70 percent.

Night: Cloudy. Lows in the mid 50s. Northeast winds 15 to 20 mph with gusts up to 25 mph, diminishing to 10 to 15 mph after midnight.

Freeport, IL

Afternoon
Rain Showers
62°/ 55° 17°/ 13°
50%
Monday
Mostly Cloudy
60°/ 50° 16°/ 10°
30%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wed-Wed Night
Cloudy
65°18°
0%
Thursday
Mostly Cloudy
68°20°
0%
Friday
Mostly Cloudy
68°20°
0%
Saturday
Mostly Cloudy
68°20°
0%

Day: Cloudy with a 50 percent chance of showers. Near steady temperature in the lower 60s. Northeast winds 15 to 20 mph.

Night: Cloudy. Lows in the mid 50s. Northeast winds 15 to 20 mph.

Rockford, IL

Afternoon
Rain Showers
62°/ 55° 17°/ 13°
50%
Monday
Rain Showers
62°/ 50° 17°/ 10°
20%
Tuesday
Rain Showers
62°/ 45° 17°/
20%
Wednesday
Cloudy
65°/ 48° 18°/
0%
Thursday
Mostly Cloudy
65°/ 48° 18°/
0%
Friday
Mostly Cloudy
68°/ 48° 20°/
0%
Saturday
Mostly Cloudy
68°20°
0%

Day: Cloudy. A chance of showers early in the afternoon, then a slight chance of showers late. Near steady temperature in the lower 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 50 percent.

Night: Cloudy. Lows in the mid 50s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the evening.

Mount Carroll, IL

Afternoon
Rain Showers
65°/ 55° 18°/ 13°
50%
Monday
Rain Showers
62°/ 52° 17°/ 11°
40%
Tuesday
Partly Cloudy
62°/ 48° 17°/
0%
Wed-Wed Night
Cloudy
65°18°
0%
Thursday
Mostly Cloudy
68°20°
0%
Friday
Mostly Cloudy
68°20°
0%
Saturday
Mostly Cloudy
68°20°
0%

Day: Cloudy with a 50 percent chance of showers. Near steady temperature in the mid 60s. Northeast winds around 15 mph with gusts up to 25 mph.

Night: Cloudy. Lows in the mid 50s. Northeast winds 15 to 20 mph.

Dixon, IL

Afternoon
Rain Showers
65°/ 58° 18°/ 14°
100%
Monday
Rain Showers
62°/ 52° 17°/ 11°
30%
Tuesday
Rain Showers
65°/ 48° 18°/
20%
Wednesday
Cloudy
65°/ 48° 18°/
0%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Mostly Cloudy
70°/ 50° 21°/ 10°
0%
Saturday
Mostly Cloudy
72°22°
0%

Day: Showers early in the afternoon, then a chance of showers late. Near steady temperature in the mid 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation near 100 percent.

Night: Cloudy. A slight chance of showers after midnight. Lows in the upper 50s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the evening. Chance of precipitation 20 percent.

DeKalb, IL

Afternoon
Rain Showers
65°/ 58° 18°/ 14°
100%
Monday
Rain Showers
62°/ 52° 17°/ 11°
20%
Tuesday
Rain Showers
62°/ 48° 17°/
20%
Wednesday
Cloudy
65°/ 48° 18°/
0%
Thursday
Mostly Cloudy
68°/ 50° 20°/ 10°
0%
Friday
Mostly Cloudy
68°/ 48° 20°/
0%
Saturday
Mostly Cloudy
72°22°
0%

Day: Showers early in the afternoon, then a chance of showers late. Near steady temperature in the mid 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation near 100 percent.

Night: Cloudy. A slight chance of showers early in the evening. A slight chance of showers after midnight. Lows in the upper 50s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the evening. Chance of precipitation 20 percent.

Sterling, IL

Afternoon
Thunderstorms
65°/ 58° 18°/ 14°
70%
Monday
Rain Showers
62°/ 52° 17°/ 11°
50%
Tuesday
Mostly Cloudy
65°/ 48° 18°/
0%
Wed-Wed Night
Cloudy
68°20°
0%
Thursday
Mostly Cloudy
70°21°
0%
Friday
Mostly Cloudy
70°21°
0%
Saturday
Mostly Cloudy
70°21°
0%

Day: Showers likely with a slight chance of thunderstorms. Near steady temperature in the mid 60s. Northeast winds around 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

Night: Cloudy. Lows in the upper 50s. Northeast winds 10 to 15 mph with gusts up to 25 mph.

Belvidere, IL

Afternoon
Rain Showers
62°/ 55° 17°/ 13°
70%
Monday
Rain Showers
62°/ 50° 17°/ 10°
20%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Cloudy
65°/ 48° 18°/
0%
Thursday
Mostly Cloudy
65°/ 48° 18°/
0%
Friday
Mostly Cloudy
68°/ 48° 20°/
0%
Saturday
Mostly Cloudy
70°21°
0%

Day: Showers likely early in the afternoon, then a slight chance of showers late. Near steady temperature in the lower 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 70 percent.

Night: Cloudy. Lows in the mid 50s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the evening.

Monroe, WI

Today
Rain Showers
62°/ 55° 17°/ 13°
20%
Monday
Mostly Cloudy
62°/ 48° 17°/
30%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Sunny
62°/ 48° 17°/
0%
Thursday
Partly Cloudy
65°/ 48° 18°/
0%
Friday
Mostly Cloudy
65°/ 48° 18°/
0%
Saturday
Rain Showers
68°20°
20%

Day: Cloudy. A 20 percent chance of light showers early in the afternoon. Near steady temperature in the lower 60s. Northeast winds 10 to 15 mph.

Night: Cloudy. Lows in the mid 50s. Northeast winds 10 to 15 mph with gusts to around 30 mph.

Janesville, WI

Today
Rain Showers
62°/ 55° 17°/ 13°
20%
Monday
Mostly Cloudy
62°/ 48° 17°/
0%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Sunny
62°/ 48° 17°/
0%
Thursday
Partly Cloudy
65°/ 48° 18°/
0%
Friday
Mostly Cloudy
65°/ 48° 18°/
0%
Saturday
Rain Showers
68°20°
20%

Day: Cloudy. A 20 percent chance of light showers early in the afternoon. Near steady temperature in the lower 60s. Northeast winds around 15 mph with gusts to around 30 mph.

Night: Cloudy. Lows in the mid 50s. Northeast winds 10 to 15 mph with gusts to around 30 mph.

Galena, IL

Afternoon
Rain Showers
62°/ 55° 17°/ 13°
20%
Monday
Rain Showers
58°/ 50° 14°/ 10°
40%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wed-Wed Night
Cloudy
65°18°
0%
Thursday
Mostly Cloudy
68°20°
0%
Friday
Mostly Cloudy
68°20°
0%
Saturday
Mostly Cloudy
68°20°
0%

Day: Cloudy with a 20 percent chance of showers. Near steady temperature in the lower 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph.

Night: Cloudy. Lows in the mid 50s. Northeast winds 10 to 15 mph with gusts up to 25 mph.

Darlington, WI

Today
Cloudy
62°/ 55° 17°/ 13°
0%
Monday
Mostly Cloudy
62°/ 48° 17°/
30%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Sunny
62°/ 48° 17°/
0%
Thursday
Partly Cloudy
65°/ 50° 18°/ 10°
0%
Friday
Mostly Cloudy
65°/ 50° 18°/ 10°
0%
Saturday
Rain Showers
68°20°
20%

Day: Cloudy. Near steady temperature in the lower 60s. Northeast winds 10 to 15 mph.

Night: Cloudy. Lows in the mid 50s. Northeast winds 10 to 15 mph.

Princeton, IL

Afternoon
Thunderstorms
65°/ 58° 18°/ 14°
90%
Monday
Mostly Cloudy
62°/ 55° 17°/ 13°
40%
Tuesday
Mostly Cloudy
65°/ 50° 18°/ 10°
0%
Wed Night
Cloudy
50°10°
0%
Thursday
Mostly Cloudy
72°22°
0%
Friday
Mostly Cloudy
72°22°
0%
Saturday
Mostly Cloudy
72°22°
0%

Day: Showers with a slight chance of thunderstorms. Near steady temperature in the mid 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

Night: Cloudy. A slight chance of showers after midnight. Lows in the upper 50s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.

Maquoketa, IA

Afternoon
Rain Showers
62°/ 55° 17°/ 13°
40%
Monday
Rain Showers
58°/ 52° 14°/ 11°
50%
Tuesday
Partly Cloudy
62°/ 48° 17°/
0%
Wednesday
Sunny
65°/ 48° 18°/
0%
Thursday
Mostly Cloudy
68°20°
0%
Friday
Mostly Cloudy
68°20°
0%
Saturday
Mostly Cloudy
68°20°
0%

Day: Cloudy with a 40 percent chance of showers. Near steady temperature in the lower 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph.

Night: Cloudy. Lows in the mid 50s. Northeast winds 10 to 15 mph with gusts up to 25 mph.

Clinton, IA

Afternoon
Rain Showers
65°/ 58° 18°/ 14°
50%
Monday
Rain Showers
60°/ 52° 16°/ 11°
50%
Tuesday
Partly Cloudy
65°/ 48° 18°/
0%
Wed Night
Cloudy
48°
0%
Thursday
Mostly Cloudy
68°20°
0%
Friday
Mostly Cloudy
68°20°
0%
Saturday
Mostly Cloudy
68°20°
0%

Day: Cloudy with a 50 percent chance of showers. Near steady temperature in the mid 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph.

Night: Cloudy. Lows in the upper 50s. Northeast winds 10 to 15 mph.

Crystal Lake, IL

Afternoon
Rain Showers
62°/ 55° 17°/ 13°
90%
Monday
Rain Showers
62°/ 52° 17°/ 11°
20%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Cloudy
62°/ 48° 17°/
0%
Thursday
Mostly Cloudy
65°/ 50° 18°/ 10°
0%
Friday
Mostly Cloudy
68°/ 48° 20°/
0%
Saturday
Mostly Cloudy
70°21°
0%

Day: Showers early in the afternoon, then a chance of showers late. Breezy. Near steady temperature in the lower 60s. Northeast winds 10 to 15 mph with gusts up to 30 mph. Chance of precipitation 90 percent.

Night: Cloudy. A slight chance of showers early in the evening. Lows in the mid 50s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the evening. Chance of precipitation 20 percent.

Ottawa, IL

Afternoon
Thunderstorms
68°/ 58° 20°/ 14°
100%
Monday
Rain Showers
62°/ 55° 17°/ 13°
20%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
20%
Wednesday
Cloudy
68°/ 52° 20°/ 11°
0%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Saturday
Mostly Cloudy
72°22°
0%

Day: Showers and a slight chance of thunderstorms early in the afternoon, then a chance of showers late. Near steady temperature in the upper 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation near 100 percent.

Night: Cloudy. A chance of showers early in the evening, then a slight chance of showers in the late evening and overnight. Lows in the upper 50s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the evening. Chance of precipitation 50 percent.

Whitewater, WI

Today
Rain Showers
62°/ 55° 17°/ 13°
50%
Monday
Mostly Cloudy
62°/ 48° 17°/
0%
Tuesday
Partly Cloudy
62°/ 48° 17°/
0%
Wednesday
Partly Cloudy
62°/ 48° 17°/
0%
Thursday
Partly Cloudy
65°/ 48° 18°/
0%
Friday
Mostly Cloudy
65°/ 48° 18°/
0%
Saturday
Mostly Cloudy
68°20°
0%

Day: Cloudy. A 50 percent chance of light showers early in the afternoon. Near steady temperature in the lower 60s. Northeast winds 10 to 15 mph with gusts to around 30 mph.

Night: Cloudy. Lows in the mid 50s. Northeast winds 10 to 15 mph with gusts to around 30 mph.

Aurora, IL

Afternoon
Rain Showers
65°/ 58° 18°/ 14°
100%
Monday
Rain Showers
62°/ 52° 17°/ 11°
20%
Tuesday
Mostly Cloudy
62°/ 50° 17°/ 10°
0%
Wednesday
Cloudy
65°/ 50° 18°/ 10°
0%
Thursday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Friday
Mostly Cloudy
68°/ 50° 20°/ 10°
0%
Saturday
Mostly Cloudy
72°22°
0%

Day: Showers early in the afternoon, then a chance of showers late. Near steady temperature in the mid 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation near 100 percent.

Night: Cloudy. A slight chance of showers. Lows in the upper 50s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the evening. Chance of precipitation 20 percent.

Geneseo, IL

Afternoon
Thunderstorms
65°/ 58° 18°/ 14°
70%
Monday
Rain Showers
62°/ 55° 17°/ 13°
50%
Tuesday
Partly Cloudy
65°/ 48° 18°/
0%
Wed Night
Cloudy
50°10°
0%
Thursday
Mostly Cloudy
70°21°
0%
Friday
Mostly Cloudy
70°21°
0%
Saturday
Mostly Cloudy
70°21°
0%

Day: Showers likely with a slight chance of thunderstorms. Near steady temperature in the mid 60s. Northeast winds around 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

Night: Cloudy. A slight chance of showers after midnight. Lows in the upper 50s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.

Names listed above may include county names.

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