Amboy, IL Weather Forecast & Current Conditions

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Amboy Weather Map
UTC Time: 9/20/2026, 03:42
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Amboy, IL Regional Weather

Expires:202609200400;;742333
ASUS43 KLOT 200310
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CDT SAT SEP 19 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.


ILZ003-004-008-010-011-017-018-200400-
NORTH CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       NOT AVBL                                               
$$


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

Amboy, IL

Tonight
Thunderstorms
68°20°
100%
Sunday
Thunderstorms
65°/ 55° 18°/ 13°
70%
Monday
Rain Showers
65°/ 52° 18°/ 11°
60%
Tuesday
Rain Showers
62°/ 50° 17°/ 10°
30%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Saturday
Cloudy
72°22°
0%

Night: A chance of thunderstorms late in the evening. Showers. Thunderstorms likely after midnight. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall late in the evening. Some thunderstorms may produce heavy rainfall late in the evening. Locally heavy rainfall possible after midnight. Near steady temperature in the upper 60s. East winds around 5 mph, becoming northeast after midnight. Chance of precipitation near 100 percent.

Princeton, IL

Tonight
Thunderstorms
68°20°
100%
Sunday
Thunderstorms
70°/ 58° 21°/ 14°
70%
Monday
Rain Showers
65°/ 52° 18°/ 11°
70%
Tuesday
Rain Showers
62°/ 52° 17°/ 11°
50%
Wed Night
Cloudy
52°11°
0%
Thursday
Mostly Cloudy
70°21°
0%
Friday
Mostly Cloudy
70°/ 55° 21°/ 13°
0%

Night: A chance of showers and thunderstorms this evening, then showers with thunderstorms likely after midnight. Patchy fog after midnight. Near steady temperature in the upper 60s. Southeast winds around 5 mph, becoming west around 5 mph after midnight. Chance of rain near 100 percent.

Rochelle, IL

Tonight
Thunderstorms
65°18°
100%
Sunday
Thunderstorms
65°/ 55° 18°/ 13°
70%
Monday
Rain Showers
62°/ 48° 17°/
60%
Tuesday
Rain Showers
62°/ 48° 17°/
20%
Wednesday
Mostly Cloudy
65°/ 48° 18°/
0%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Mostly Cloudy
70°/ 52° 21°/ 11°
0%
Saturday
Cloudy
72°22°
0%

Night: A chance of thunderstorms late in the evening. Showers. Thunderstorms likely after midnight. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall late in the evening. Locally heavy rainfall possible after midnight. Near steady temperature in the mid 60s. Northeast winds 5 to 10 mph. Chance of precipitation near 100 percent.

Ottawa, IL

Tonight
Thunderstorms
70°21°
100%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
70%
Monday
Rain Showers
65°/ 55° 18°/ 13°
60%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
30%
Wednesday
Mostly Cloudy
65°/ 55° 18°/ 13°
0%
Thursday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Friday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Saturday
Cloudy
75°24°
0%

Night: A chance of thunderstorms late in the evening. Showers. Thunderstorms likely after midnight. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall in the late evening and early morning. Some thunderstorms may produce heavy rainfall late. Locally heavy rainfall possible after midnight. Near steady temperature around 70. East winds around 5 mph. Chance of precipitation near 100 percent.

Sterling, IL

Tonight
Thunderstorms
68°20°
100%
Sunday
Thunderstorms
65°/ 55° 18°/ 13°
70%
Monday
Rain Showers
65°/ 52° 18°/ 11°
70%
Tuesday
Mostly Cloudy
65°18°
0%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°20°
0%
Friday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%

Night: Showers likely with a chance of thunderstorms this evening, then showers with thunderstorms likely after midnight. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall this evening. Some thunderstorms may produce heavy rainfall after midnight. Near steady temperature in the upper 60s. East winds around 5 mph, becoming northwest after midnight. Chance of rain near 100 percent.

DeKalb, IL

Tonight
Thunderstorms
68°20°
100%
Sunday
Thunderstorms
65°/ 55° 18°/ 13°
80%
Monday
Rain Showers
65°/ 52° 18°/ 11°
50%
Tuesday
Rain Showers
62°/ 50° 17°/ 10°
30%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Saturday
Cloudy
72°22°
0%

Night: A chance of thunderstorms late in the evening. Showers. Thunderstorms likely after midnight. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall late in the evening. Some thunderstorms may produce heavy rainfall late in the evening. Locally heavy rainfall possible after midnight. Near steady temperature in the upper 60s. East winds 5 to 10 mph. Chance of precipitation near 100 percent.

Mount Carroll, IL

Tonight
Thunderstorms
62°17°
90%
Sunday
Thunderstorms
65°/ 55° 18°/ 13°
70%
Monday
Rain Showers
62°/ 50° 17°/ 10°
60%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Partly Cloudy
65°/ 50° 18°/ 10°
0%
Thursday
Mostly Cloudy
68°20°
0%
Friday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%

Night: A chance of thunderstorms. Showers. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall. Lows in the lower 60s. East winds around 5 mph, becoming north after midnight. Chance of rain 90 percent.

Hennepin, IL

Tonight
Thunderstorms
70°21°
90%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
70%
Monday
Rain Showers
65°/ 55° 18°/ 13°
70%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
50%
Wed Night
Cloudy
52°11°
0%
Thursday
Mostly Cloudy
72°22°
0%
Friday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%

Night: Mostly cloudy. A chance of showers and thunderstorms this evening, then showers with thunderstorms likely after midnight. Patchy fog after midnight. Near steady temperature around 70. East winds around 5 mph, becoming northwest after midnight. Chance of rain 90 percent.

Geneseo, IL

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

Night: Mostly cloudy. A chance of showers and thunderstorms this evening, then showers with thunderstorms likely after midnight. Patchy fog after midnight. Near steady temperature around 70. Southeast winds around 5 mph, becoming west after midnight. Chance of rain 90 percent.

Rockford, IL

Tonight
Thunderstorms
65°18°
100%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
62°/ 48° 17°/
50%
Tuesday
Rain Showers
62°/ 48° 17°/
20%
Wednesday
Mostly Cloudy
62°/ 48° 17°/
0%
Thursday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Friday
Mostly Cloudy
68°/ 50° 20°/ 10°
0%
Saturday
Cloudy
70°21°
0%

Night: Showers. A chance of thunderstorms in the late evening and early morning. A slight chance of thunderstorms late. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall in the late evening and early morning. Some thunderstorms may produce heavy rainfall late. Near steady temperature in the mid 60s. Northeast winds 5 to 10 mph. Chance of precipitation near 100 percent.

Freeport, IL

Tonight
Thunderstorms
62°17°
100%
Sunday
Thunderstorms
65°/ 52° 18°/ 11°
50%
Monday
Rain Showers
62°/ 48° 17°/
50%
Tuesday
Rain Showers
62°/ 48° 17°/
50%
Wednesday
Mostly Cloudy
65°18°
0%
Thursday
Mostly Cloudy
65°18°
0%
Friday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%

Night: Showers likely with a chance of thunderstorms this evening, then showers with thunderstorms likely after midnight. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall this evening. Some thunderstorms may produce heavy rainfall after midnight. Lows in the lower 60s. East winds around 5 mph, becoming northeast 10 to 15 mph after midnight. Chance of rain near 100 percent.

Toulon, IL

Tonight
Thunderstorms
68°20°
80%
Sunday
Thunderstorms
72°/ 58° 22°/ 14°
70%
Monday
Rain Showers
65°/ 55° 18°/ 13°
70%
Tuesday
Rain Showers
62°/ 50° 17°/ 10°
50%
Wed Night
Cloudy
52°11°
0%
Thursday
Mostly Cloudy
72°22°
0%
Friday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%

Night: Showers and thunderstorms. Patchy fog. Near steady temperature in the upper 60s. East winds around 5 mph. Chance of rain 80 percent.

Oswego, IL

Tonight
Thunderstorms
68°20°
100%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
80%
Monday
Rain Showers
65°/ 52° 18°/ 11°
50%
Tuesday
Rain Showers
62°/ 52° 17°/ 11°
30%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Friday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Saturday
Cloudy
75°24°
0%

Night: A chance of thunderstorms late in the evening. Showers. Thunderstorms likely after midnight. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall late in the evening. Some thunderstorms may produce heavy rainfall late in the evening. Locally heavy rainfall possible after midnight. Near steady temperature in the upper 60s. East winds 5 to 10 mph. Chance of precipitation near 100 percent.

Aurora, IL

Tonight
Thunderstorms
68°20°
100%
Sunday
Thunderstorms
65°/ 55° 18°/ 13°
80%
Monday
Rain Showers
65°/ 52° 18°/ 11°
50%
Tuesday
Rain Showers
62°/ 52° 17°/ 11°
30%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Saturday
Cloudy
72°22°
0%

Night: A chance of thunderstorms late in the evening. Showers. Thunderstorms likely after midnight. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall late in the evening. Locally heavy rainfall possible after midnight. Near steady temperature in the upper 60s. Northeast winds 5 to 10 mph. Chance of precipitation near 100 percent.

Belvidere, IL

Tonight
Thunderstorms
65°18°
100%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
70%
Monday
Rain Showers
62°/ 48° 17°/
50%
Tuesday
Rain Showers
62°/ 48° 17°/
20%
Wednesday
Mostly Cloudy
62°/ 50° 17°/ 10°
0%
Thursday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Friday
Mostly Cloudy
70°/ 52° 21°/ 11°
0%
Saturday
Cloudy
72°22°
0%

Night: Showers. A chance of thunderstorms in the late evening and early morning. A slight chance of thunderstorms late. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall in the late evening and early morning. Some thunderstorms may produce heavy rainfall late. Near steady temperature in the mid 60s. Northeast winds 5 to 10 mph. Chance of precipitation near 100 percent.

Lacon, IL

Tonight
Thunderstorms
70°21°
70%
Sunday
Thunderstorms
72°/ 58° 22°/ 14°
70%
Monday
Rain Showers
65°/ 55° 18°/ 13°
70%
Tuesday
Mostly Cloudy
65°18°
0%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
72°22°
0%
Friday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%

Night: Thunderstorms likely. Showers likely. Near steady temperature around 70. East winds around 5 mph. Chance of rain 70 percent.

Moline, IL

Tonight
Thunderstorms
65°18°
90%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
70%
Monday
Rain Showers
62°/ 55° 17°/ 13°
70%
Tuesday
Mostly Cloudy
62°/ 52° 17°/ 11°
0%
Wednesday
Partly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
70°21°
0%
Friday
Mostly Cloudy
70°/ 55° 21°/ 13°
0%

Night: Mostly cloudy with a chance of thunderstorms. A chance of showers this evening, then showers after midnight. Some thunderstorms may produce heavy rainfall. Lows in the mid 60s. Southeast winds around 5 mph, becoming west after midnight. Chance of rain 90 percent.

Clinton, IA

Tonight
Thunderstorms
68°20°
90%
Sunday
Thunderstorms
65°/ 55° 18°/ 13°
70%
Monday
Rain Showers
62°/ 52° 17°/ 11°
70%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Partly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°20°
0%
Friday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%

Night: Showers likely with a chance of thunderstorms this evening, then showers with thunderstorms likely after midnight. Some thunderstorms may produce heavy rainfall this evening. Some thunderstorms may produce heavy rainfall after midnight. Near steady temperature in the upper 60s. East winds around 5 mph, becoming north after midnight. Chance of rain 90 percent.

Maquoketa, IA

Tonight
Thunderstorms
62°17°
90%
Sunday
Rain Showers
62°/ 55° 17°/ 13°
60%
Monday
Rain Showers
62°/ 52° 17°/ 11°
70%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Partly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°20°
0%
Friday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%

Night: Showers likely with a chance of thunderstorms this evening, then showers with thunderstorms likely after midnight. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall this evening. Some thunderstorms may produce heavy rainfall after midnight. Lows in the lower 60s. Northeast winds 5 to 10 mph. Chance of rain 90 percent.

Pontiac, IL

Tonight
Thunderstorms
72°22°
70%
Sunday
Thunderstorms
75°/ 58° 24°/ 14°
70%
Monday
Rain Showers
68°/ 52° 20°/ 11°
60%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
50%
Wednesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Thursday
Mostly Cloudy
70°/ 55° 21°/ 13°
0%
Friday
Mostly Cloudy
75°/ 55° 24°/ 13°
0%
Saturday
Cloudy
75°24°
0%

Night: A chance of showers and a slight chance of thunderstorms late in the evening, then showers likely and a chance of thunderstorms in the late evening and overnight. Patchy fog after midnight. Near steady temperature in the lower 70s. East winds around 5 mph. Chance of precipitation 70 percent.

Names listed above may include county names.

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