Brookville, IL Weather Forecast & Current Conditions

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Brookville, IL Weather Maps

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

Brookville, IL Regional Weather

Expires:202609202100;;780737
ASUS43 KLOT 202001
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           
DE KALB*       CLOUDY    64  64 100 NE16      30.01S FOG     TC  18   
$$


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

Brookville, IL

Today
Rain Showers
62°/ 55° 17°/ 13°
100%
Monday
Rain Showers
65°/ 50° 18°/ 10°
30%
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 late in the morning, then a slight chance of showers late. Near steady temperature in the lower 60s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Chance of precipitation near 100 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.

Mount Carroll, IL

Today
Thunderstorms
65°/ 55° 18°/ 13°
70%
Monday
Rain Showers
62°/ 52° 17°/ 11°
50%
Tuesday
Partly Cloudy
62°/ 48° 17°/
0%
Wed Night
Cloudy
48°
0%
Thursday
Sunny
65°/ 50° 18°/ 10°
0%
Fri Night
Cloudy
48°
0%
Saturday
Partly Cloudy
68°20°
0%

Day: Mostly cloudy. Showers and thunderstorms likely late this morning, then a chance of showers this afternoon. Near steady temperature in the mid 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

Night: Mostly cloudy with a 20 percent chance of showers. Lows in the mid 50s. Northeast winds 10 to 15 mph with gusts up to 25 mph.

Sterling, IL

Today
Thunderstorms
68°/ 58° 20°/ 14°
70%
Monday
Rain Showers
65°/ 52° 18°/ 11°
50%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Cloudy
48°
0%
Thursday
Cloudy
48°/ 52° / 11°
0%
Fri Night
Cloudy
50°10°
0%
Saturday
Partly Cloudy
70°21°
0%

Day: Mostly cloudy. Showers and thunderstorms likely late this morning, then a chance of showers this afternoon. Near steady temperature in the upper 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

Night: Mostly cloudy with a 20 percent chance of showers. Lows in the upper 50s. Northeast winds around 15 mph with gusts up to 25 mph.

Dixon, IL

Today
Rain Showers
65°/ 58° 18°/ 14°
100%
Monday
Rain Showers
65°/ 52° 18°/ 11°
40%
Tuesday
Rain Showers
62°/ 48° 17°/
20%
Wednesday
Cloudy
65°/ 48° 18°/
0%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Mostly Cloudy
68°/ 48° 20°/
0%
Saturday
Cloudy
72°22°
0%

Day: Showers late in the morning, then a chance of showers late. Near steady temperature in the mid 60s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. 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.

Freeport, IL

Today
Thunderstorms
62°/ 55° 17°/ 13°
70%
Monday
Rain Showers
62°/ 48° 17°/
40%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wed Night
Cloudy
48°
0%
Thursday
Mostly Cloudy
65°18°
0%
Friday
Mostly Cloudy
65°/ 48° 18°/
0%
Saturday
Partly Cloudy
68°20°
0%

Day: Cloudy. Showers and thunderstorms likely late this morning, then a chance of showers this afternoon. Near steady temperature in the lower 60s. Northeast winds around 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

Night: Mostly cloudy. A chance of showers after midnight. Lows in the mid 50s. Northeast winds around 15 mph with gusts up to 25 mph. Chance of rain 30 percent.

Rockford, IL

Today
Rain Showers
62°/ 55° 17°/ 13°
100%
Monday
Rain Showers
62°/ 50° 17°/ 10°
30%
Tuesday
Mostly Cloudy
62°/ 45° 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
68°20°
0%

Day: Showers late in the morning, then a chance of showers early in the afternoon. 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 near 100 percent.

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

Maquoketa, IA

Today
Rain Showers
62°/ 55° 17°/ 13°
50%
Monday
Rain Showers
62°/ 52° 17°/ 11°
50%
Tuesday
Partly Cloudy
62°/ 48° 17°/
0%
Wed Night
Clear
48°
0%
Thursday
Mostly Cloudy
65°18°
0%
Friday
Mostly Cloudy
65°/ 50° 18°/ 10°
0%
Saturday
Partly Cloudy
68°20°
0%

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

Night: Mostly cloudy. A chance of showers after midnight. Lows in the mid 50s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent.

Galena, IL

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

Day: Mostly cloudy with a 50 percent chance of showers. Highs in the mid 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph.

Night: Mostly cloudy. A chance of showers after midnight. Lows in the mid 50s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent.

Clinton, IA

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

Day: Mostly cloudy. Showers and thunderstorms likely late this morning, then a chance of showers this afternoon. Near steady temperature in the mid 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

Night: Mostly cloudy. A slight chance of showers in the evening, then a 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 30 percent.

Princeton, IL

Today
Thunderstorms
68°/ 58° 20°/ 14°
100%
Monday
Rain Showers
65°/ 55° 18°/ 13°
50%
Tuesday
Mostly Cloudy
62°/ 50° 17°/ 10°
0%
Wednesday
Cloudy
50°10°
0%
Thursday
Cloudy
50°/ 52° 10°/ 11°
0%
Fri Night-Sat
Cloudy
50°10°
0%

Day: Occasional thunderstorms. Occasional showers. Near steady temperature in the upper 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

Night: Mostly cloudy with a 20 percent chance of showers. Lows in the upper 50s. Northeast winds 10 to 15 mph with gusts up to 25 mph.

Monroe, WI

Today
Rain Showers
65°/ 55° 18°/ 13°
70%
Monday
Rain Showers
62°/ 50° 17°/ 10°
40%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
65°/ 48° 18°/
0%
Thursday
Partly Cloudy
65°/ 48° 18°/
0%
Friday
Partly Cloudy
68°/ 48° 20°/
0%
Saturday
Partly Cloudy
68°20°
0%

Day: Cloudy. Patchy fog late in the morning. Light showers likely late in the morning, then slight chance of light showers early in the afternoon. Highs in the mid 60s. Northeast winds 15 to 20 mph. Chance of showers 70 percent.

Night: Mostly cloudy. A 20 percent chance of light rain showers after midnight. Lows in the mid 50s. Northeast winds 10 to 15 mph.

Darlington, WI

Today
Rain Showers
65°/ 55° 18°/ 13°
50%
Monday
Rain Showers
62°/ 48° 17°/
40%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Sunny
65°/ 48° 18°/
0%
Thursday
Partly Cloudy
65°/ 48° 18°/
0%
Friday
Partly Cloudy
68°/ 48° 20°/
0%
Saturday
Partly Cloudy
68°20°
0%

Day: Cloudy. Patchy fog late in the morning. A 50 percent chance of light showers late in the morning and early afternoon. Highs in the mid 60s. Northeast winds 10 to 15 mph.

Night: Mostly cloudy. A 20 percent chance of light rain showers after midnight. Lows in the mid 50s. Northeast winds 10 to 15 mph.

Geneseo, IL

Today
Thunderstorms
68°/ 58° 20°/ 14°
90%
Monday
Rain Showers
65°/ 55° 18°/ 13°
50%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Cloudy
48°
0%
Thursday
Cloudy
48°/ 52° / 11°
0%
Fri Night-Sat
Cloudy
52°11°
0%

Day: Occasional showers and thunderstorms late this morning, then showers likely this afternoon. Near steady temperature in the upper 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

Night: Mostly cloudy. A slight chance of showers in the evening, then a 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 40 percent.

DeKalb, IL

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

Day: Showers late in the morning, then a chance of showers late. Near steady temperature in the mid 60s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. 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.

Moline, IL

Today
Thunderstorms
68°/ 58° 20°/ 14°
90%
Monday
Rain Showers
65°/ 55° 18°/ 13°
50%
Tuesday
Mostly Cloudy
62°/ 50° 17°/ 10°
0%
Wed Night
Cloudy
50°10°
0%
Thursday
Mostly Cloudy
68°20°
0%
Friday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Saturday
Partly Cloudy
70°21°
0%

Day: Occasional showers and thunderstorms late this morning, then showers likely this afternoon. Near steady temperature in the upper 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 in the evening, then a 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 40 percent.

Davenport, IA

Today
Thunderstorms
65°/ 58° 18°/ 14°
70%
Monday
Rain Showers
65°/ 52° 18°/ 11°
50%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wed Night
Clear
50°10°
0%
Thursday
Mostly Cloudy
68°20°
0%
Friday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Saturday
Partly Cloudy
70°21°
0%

Day: Mostly cloudy. Showers and thunderstorms likely late this morning, then a chance of showers this afternoon. Near steady temperature in the mid 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

Night: Cloudy. A slight chance of showers in the evening, then a 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 40 percent.

Ottawa, IL

Today
Thunderstorms
68°/ 58° 20°/ 14°
100%
Monday
Rain Showers
65°/ 55° 18°/ 13°
40%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
20%
Wednesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Cloudy
70°/ 50° 21°/ 10°
0%
Saturday
Cloudy
72°22°
0%

Day: Showers late in the morning. 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. Gusts up to 25 mph in the afternoon. 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.

Belvidere, IL

Today
Rain Showers
62°/ 55° 17°/ 13°
100%
Monday
Rain Showers
62°/ 50° 17°/ 10°
30%
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
68°20°
0%

Day: Showers late in the morning, 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 near 100 percent.

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

Janesville, WI

Today
Rain Showers
62°/ 55° 17°/ 13°
90%
Monday
Rain Showers
62°/ 48° 17°/
40%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
62°/ 48° 17°/
0%
Thursday
Partly Cloudy
65°/ 48° 18°/
0%
Friday
Partly Cloudy
65°/ 48° 18°/
0%
Saturday
Partly Cloudy
68°20°
0%

Day: Cloudy. Patchy fog late in the morning. Light showers late in the morning, then chance of light showers early in the afternoon. Near steady temperature in the lower 60s. Northeast winds 15 to 20 mph. Chance of showers 90 percent.

Night: Mostly cloudy. A 20 percent chance of light rain showers after midnight. Lows in the mid 50s. Northeast winds 10 to 20 mph.

Dubuque, IA

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

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

Night: Mostly cloudy. A chance of showers after midnight. Lows in the mid 50s. Northeast winds 10 to 15 mph. Chance of rain 40 percent.

Names listed above may include county names.

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