Brookville, IL Weather Forecast & Current Conditions

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Brookville, IL Weather Maps

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Brookville Weather Map
UTC Time: 9/15/2026, 07:45
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Brookville, IL Regional Weather

Expires:202609150800;;478820
ASUS43 KLOT 150710
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 AM CDT TUE SEP 15 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.


ILZ003-004-008-010-011-017-018-150800-
NORTH CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       CLOUDY    69  54  58 S16G25    29.94F TC  21           
FREEPORT*      MOCLDY    70  56  61 S17G28    29.93S TC  21           
ROCHELLE*      MOCLDY    67  55  64 S16G23    29.95F TC  20           
DE KALB*       MOCLDY    65  55  69 S20G28    29.98F TC  18           
PERU*          MOCLDY    70  55  60 S13       29.98S 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

Brookville, IL

Tonight
Thunderstorms
65°18°
90%
Tuesday
Thunderstorms
78°/ 58° 26°/ 14°
90%
Wednesday
Rain Showers
72°/ 62° 22°/ 17°
60%
Thursday
Thunderstorms
78°/ 60° 26°/ 16°
50%
Friday
Thunderstorms
78°/ 62° 26°/ 17°
50%
Saturday
Thunderstorms
82°/ 60° 28°/ 16°
70%
Sunday
Rain Showers
72°/ 52° 22°/ 11°
30%

Night: Showers and a chance of thunderstorms. Warmer. Near steady temperature in the mid 60s. South winds 15 to 20 mph with gusts up to 25 mph. Chance of precipitation 90 percent.

Mount Carroll, IL

Tonight
Thunderstorms
68°20°
90%
Tuesday
Thunderstorms
75°/ 58° 24°/ 14°
100%
Wednesday
Rain Showers
72°/ 62° 22°/ 17°
80%
Thursday
Rain Showers
78°/ 62° 26°/ 17°
50%
Friday
Thunderstorms
78°/ 62° 26°/ 17°
60%
Saturday
Thunderstorms
82°/ 60° 28°/ 16°
70%
Sunday
Rain Showers
72°22°
40%

Night: Showers with a chance of thunderstorms. Much warmer. Near steady temperature in the upper 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent.

Sterling, IL

Tonight
Thunderstorms
68°20°
70%
Tuesday
Thunderstorms
78°/ 60° 26°/ 16°
100%
Wednesday
Rain Showers
75°/ 65° 24°/ 18°
80%
Thursday
Rain Showers
82°/ 62° 28°/ 17°
60%
Friday
Thunderstorms
80°/ 65° 27°/ 18°
50%
Saturday
Thunderstorms
82°/ 62° 28°/ 17°
50%
Sunday
Rain Showers
75°/ 55° 24°/ 13°
40%

Night: Showers likely with a chance of thunderstorms. Much warmer. Near steady temperature in the upper 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

Dixon, IL

Tonight
Thunderstorms
68°20°
70%
Tuesday
Thunderstorms
82°/ 60° 28°/ 16°
90%
Wednesday
Thunderstorms
72°/ 65° 22°/ 18°
60%
Thursday
Thunderstorms
78°/ 62° 26°/ 17°
50%
Friday
Thunderstorms
78°/ 65° 26°/ 18°
50%
Saturday
Thunderstorms
82°/ 62° 28°/ 17°
60%
Sunday
Rain Showers
75°/ 55° 24°/ 13°
40%

Night: A chance of showers after midnight. A chance of thunderstorms. Showers likely late. Warmer. Near steady temperature in the upper 60s. South winds 15 to 20 mph with gusts up to 25 mph. Chance of precipitation 70 percent.

Freeport, IL

Tonight
Thunderstorms
65°18°
90%
Tuesday
Thunderstorms
75°/ 58° 24°/ 14°
100%
Wednesday
Rain Showers
72°/ 62° 22°/ 17°
80%
Thu-Thu Night
Rain Showers
78°26°
40%
Friday
Rain Showers
75°/ 62° 24°/ 17°
70%
Saturday
Thunderstorms
78°/ 58° 26°/ 14°
70%
Sunday
Rain Showers
72°22°
30%

Night: Showers with a chance of thunderstorms. Not as cool. Near steady temperature in the mid 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent.

Rockford, IL

Tonight
Thunderstorms
65°18°
90%
Tuesday
Thunderstorms
78°/ 58° 26°/ 14°
90%
Wednesday
Rain Showers
72°/ 62° 22°/ 17°
50%
Thursday
Thunderstorms
78°/ 58° 26°/ 14°
50%
Friday
Thunderstorms
75°/ 62° 24°/ 17°
70%
Saturday
Thunderstorms
78°/ 58° 26°/ 14°
70%
Sunday
Rain Showers
72°/ 52° 22°/ 11°
30%

Night: Showers and a chance of thunderstorms. Warmer. Near steady temperature in the mid 60s. South winds 15 to 20 mph with gusts up to 25 mph. Chance of precipitation 90 percent.

Maquoketa, IA

Tonight
Thunderstorms
68°20°
100%
Tuesday
Thunderstorms
75°/ 58° 24°/ 14°
100%
Wednesday
Rain Showers
72°/ 62° 22°/ 17°
80%
Thursday
Rain Showers
78°/ 62° 26°/ 17°
50%
Friday
Thunderstorms
78°26°
70%
Saturday
Thunderstorms
78°/ 60° 26°/ 16°
70%
Sunday
Rain Showers
72°22°
30%

Night: Showers with a chance of thunderstorms. Much warmer. Near steady temperature in the upper 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

Galena, IL

Tonight
Thunderstorms
68°20°
100%
Tuesday
Thunderstorms
75°/ 58° 24°/ 14°
100%
Wednesday
Rain Showers
72°/ 62° 22°/ 17°
80%
Thu-Thu Night
Rain Showers
78°26°
40%
Friday
Thunderstorms
78°26°
70%
Saturday
Thunderstorms
78°/ 58° 26°/ 14°
70%
Sunday
Rain Showers
72°22°
30%

Night: Showers with a chance of thunderstorms. Not as cool. Near steady temperature in the upper 60s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain near 100 percent.

Clinton, IA

Tonight
Thunderstorms
68°20°
90%
Tuesday
Thunderstorms
75°/ 58° 24°/ 14°
100%
Wednesday
Rain Showers
72°/ 65° 22°/ 18°
80%
Thursday
Rain Showers
80°/ 62° 27°/ 17°
50%
Fri-Fri Night
Thunderstorms
80°27°
70%
Saturday
Rain Showers
82°/ 62° 28°/ 17°
70%
Sunday
Rain Showers
72°/ 55° 22°/ 13°
40%

Night: Showers with a chance of thunderstorms. Much warmer. Near steady temperature in the upper 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

Princeton, IL

Tonight
Thunderstorms
68°20°
50%
Tuesday
Thunderstorms
82°/ 62° 28°/ 17°
70%
Wednesday
Rain Showers
75°/ 65° 24°/ 18°
70%
Thursday
Rain Showers
82°/ 65° 28°/ 18°
70%
Friday
Thunderstorms
82°/ 65° 28°/ 18°
50%
Saturday
Thunderstorms
82°/ 62° 28°/ 17°
60%
Sunday
Rain Showers
75°/ 55° 24°/ 13°
50%

Night: Mostly cloudy with a chance of showers and thunderstorms. Much warmer. Near steady temperature in the upper 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.

Monroe, WI

Tonight
Thunderstorms
65°18°
90%
Tuesday
Thunderstorms
75°/ 55° 24°/ 13°
90%
Wednesday
Rain Showers
70°/ 62° 21°/ 17°
70%
Thursday
Thunderstorms
75°/ 58° 24°/ 14°
40%
Friday
Thunderstorms
75°/ 62° 24°/ 17°
80%
Saturday
Thunderstorms
78°/ 58° 26°/ 14°
80%
Sunday
Thunderstorms
70°/ 52° 21°/ 11°
30%

Night: Warmer. Showers and scattered thunderstorms. Near steady temperature in the mid 60s. South winds 15 to 20 mph. Chance of precipitation 90 percent.

Darlington, WI

Tonight
Thunderstorms
65°18°
100%
Tuesday
Thunderstorms
72°/ 55° 22°/ 13°
90%
Wednesday
Thunderstorms
70°/ 62° 21°/ 17°
70%
Thursday
Thunderstorms
75°/ 60° 24°/ 16°
40%
Friday
Thunderstorms
75°/ 62° 24°/ 17°
80%
Saturday
Thunderstorms
78°/ 58° 26°/ 14°
80%
Sunday
Thunderstorms
70°/ 52° 21°/ 11°
30%

Night: Warmer. Showers and scattered thunderstorms. Locally heavy rainfall possible. Near steady temperature in the mid 60s. South winds 10 to 15 mph with gusts to around 30 mph. Chance of precipitation near 100 percent.

Geneseo, IL

Tonight
Thunderstorms
70°21°
70%
Tuesday
Thunderstorms
82°/ 62° 28°/ 17°
90%
Wednesday
Rain Showers
75°/ 68° 24°/ 20°
70%
Thursday
Rain Showers
82°/ 65° 28°/ 18°
70%
Friday
Thunderstorms
82°/ 68° 28°/ 20°
50%
Sat-Sat Night
Rain Showers
82°28°
50%
Sunday
Rain Showers
72°/ 58° 22°/ 14°
50%

Night: Showers likely with a chance of thunderstorms. Much warmer. Near steady temperature around 70. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.

DeKalb, IL

Tonight
Thunderstorms
65°18°
70%
Tuesday
Thunderstorms
82°/ 60° 28°/ 16°
90%
Wednesday
Rain Showers
72°/ 62° 22°/ 17°
60%
Thursday
Thunderstorms
78°/ 62° 26°/ 17°
50%
Friday
Thunderstorms
78°/ 62° 26°/ 17°
50%
Saturday
Thunderstorms
82°/ 62° 28°/ 17°
70%
Sunday
Rain Showers
75°/ 55° 24°/ 13°
40%

Night: A chance of showers after midnight. A chance of thunderstorms. Showers likely late. Not as cool. Near steady temperature in the mid 60s. South winds 15 to 20 mph with gusts up to 25 mph. Chance of precipitation 70 percent.

Moline, IL

Tonight
Thunderstorms
72°22°
70%
Tuesday
Thunderstorms
78°/ 62° 26°/ 17°
90%
Wednesday
Rain Showers
75°/ 65° 24°/ 18°
80%
Thursday
Rain Showers
82°/ 65° 28°/ 18°
70%
Friday
Thunderstorms
82°/ 68° 28°/ 20°
60%
Sat-Sat Night
Rain Showers
82°28°
50%
Sunday
Rain Showers
72°/ 58° 22°/ 14°
50%

Night: Showers likely with a chance of thunderstorms. Much warmer. Near steady temperature in the lower 70s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.

Davenport, IA

Tonight
Thunderstorms
72°22°
90%
Tuesday
Thunderstorms
78°/ 60° 26°/ 16°
100%
Wednesday
Rain Showers
72°/ 65° 22°/ 18°
80%
Thursday
Rain Showers
82°/ 65° 28°/ 18°
60%
Friday
Thunderstorms
82°/ 65° 28°/ 18°
60%
Sat-Sat Night
Rain Showers
82°28°
50%
Sunday
Rain Showers
72°/ 55° 22°/ 13°
40%

Night: Showers with a chance of thunderstorms. Much warmer. Near steady temperature in the lower 70s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

Ottawa, IL

Tonight
Thunderstorms
68°20°
50%
Tuesday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Wednesday
Thunderstorms
75°/ 68° 24°/ 20°
70%
Thursday
Thunderstorms
82°/ 65° 28°/ 18°
60%
Friday
Thunderstorms
82°/ 68° 28°/ 20°
50%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Sunday
Rain Showers
75°/ 58° 24°/ 14°
40%

Night: Mostly cloudy. A slight chance of showers and thunderstorms after midnight, then a chance of showers and thunderstorms late. Warmer. Near steady temperature in the upper 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 50 percent.

Belvidere, IL

Tonight
Thunderstorms
65°18°
90%
Tuesday
Thunderstorms
78°/ 58° 26°/ 14°
90%
Wednesday
Rain Showers
72°/ 62° 22°/ 17°
50%
Thursday
Thunderstorms
75°/ 58° 24°/ 14°
50%
Friday
Thunderstorms
75°/ 62° 24°/ 17°
60%
Saturday
Thunderstorms
78°/ 58° 26°/ 14°
70%
Sunday
Rain Showers
72°/ 52° 22°/ 11°
30%

Night: Showers and a chance of thunderstorms. Not as cool. Near steady temperature in the mid 60s. South winds 15 to 20 mph with gusts up to 25 mph. Chance of precipitation 90 percent.

Janesville, WI

Tonight
Thunderstorms
65°18°
90%
Tuesday
Thunderstorms
75°/ 55° 24°/ 13°
90%
Wednesday
Rain Showers
72°/ 60° 22°/ 16°
70%
Thursday
Thunderstorms
75°/ 58° 24°/ 14°
40%
Friday
Rain Showers
75°/ 62° 24°/ 17°
70%
Saturday
Thunderstorms
78°/ 58° 26°/ 14°
70%
Sunday
Thunderstorms
70°/ 52° 21°/ 11°
30%

Night: Warmer. Showers and scattered thunderstorms. Near steady temperature in the mid 60s. South winds 15 to 20 mph. Chance of precipitation 90 percent.

Dubuque, IA

Tonight
Thunderstorms
68°20°
100%
Tuesday
Thunderstorms
75°/ 58° 24°/ 14°
100%
Wednesday
Rain Showers
70°/ 62° 21°/ 17°
70%
Thursday
Rain Showers
78°/ 62° 26°/ 17°
50%
Fri-Fri Night
Thunderstorms
75°24°
70%
Saturday
Thunderstorms
78°/ 58° 26°/ 14°
80%
Sunday
Rain Showers
70°21°
30%

Night: Showers with a chance of thunderstorms. Not as cool. Near steady temperature in the upper 60s. Temperature rising into the upper 60s through sunrise. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain near 100 percent.

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