Pekin, IL Weather Forecast & Current Conditions

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Pekin Weather Map
UTC Time: 9/15/2026, 17:37
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Pekin, IL Regional Weather

Expires:202609151800;;500283
ASUS43 KLOT 151712
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM 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.


ILZ028>032-037-038-041>044-048-051>054-059>061-151800-
CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        SUNNY     85  69  57 SW9       30.08S HX  89  TC  30   
BLOOMINGTON    SUNNY     89  71  55 SW12      30.10R HX  95  TC  32   
DECATUR        SUNNY     93  69  45 SW17G24   30.09S HX  98  TC  34   
PEORIA         MOSUNNY   84  70  62 S7        30.06S HX  88  TC  29   
LACON*         MOSUNNY   81  67  63 SW5       30.05S HX  83  TC  27   
LINCOLN*       SUNNY     93  72  50 SW9       30.07S HX 101  TC  34   
SPRINGFIELD    SUNNY     93  70  46 SW8       30.06S HX  99  TC  34   
TAYLORVILLE    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

Pekin, IL

Afternoon
Thunderstorms
90°/ 65° 32°/ 18°
80%
Wednesday
Thunderstorms
85°/ 70° 29°/ 21°
70%
Thursday
Rain Showers
88°/ 68° 31°/ 20°
50%
Friday
Rain Showers
85°/ 68° 29°/ 20°
40%
Sat Night
Rain Showers
65°18°
60%
Sunday
Rain Showers
78°/ 58° 26°/ 14°
40%

Day: Mostly sunny. A slight chance of showers early, then a chance of showers and thunderstorms. Warmer with highs around 90. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent. Heat index values up to 101.

Night: Showers with thunderstorms likely. Humid with lows in the mid 60s. North winds 5 to 10 mph. Chance of rain 80 percent.

Peoria, IL

Afternoon
Thunderstorms
88°/ 65° 31°/ 18°
80%
Wednesday
Thunderstorms
82°/ 68° 28°/ 20°
70%
Thursday
Rain Showers
85°/ 65° 29°/ 18°
50%
Friday
Thunderstorms
85°/ 68° 29°/ 20°
50%
Saturday
Rain Showers
85°/ 65° 29°/ 18°
60%
Sunday
Rain Showers
75°/ 58° 24°/ 14°
40%

Day: Mostly sunny with a chance of showers. A slight chance of thunderstorms early, then a chance of thunderstorms. Warmer with highs in the upper 80s. West winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 40 percent.

Night: Showers with thunderstorms likely. Lows in the mid 60s. North winds 5 to 10 mph. Chance of rain 80 percent.

Havana, IL

Afternoon
Thunderstorms
92°/ 65° 33°/ 18°
80%
Wednesday
Thunderstorms
85°/ 70° 29°/ 21°
80%
Thursday
Rain Showers
88°/ 68° 31°/ 20°
40%
Friday
Rain Showers
88°/ 68° 31°/ 20°
40%
Sat Night
Rain Showers
65°18°
60%
Sunday
Rain Showers
78°/ 58° 26°/ 14°
50%

Day: Mostly sunny. A slight chance of showers early, then a chance of showers and thunderstorms. Highs in the lower 90s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 40 percent. Heat index values up to 102.

Night: Thunderstorms likely. Showers. Lows in the mid 60s. North winds around 5 mph. Chance of rain 80 percent.

Canton, IL

Afternoon
Thunderstorms
90°/ 65° 32°/ 18°
80%
Wednesday
Thunderstorms
82°/ 68° 28°/ 20°
80%
Thursday
Rain Showers
88°/ 68° 31°/ 20°
50%
Friday
Rain Showers
85°/ 68° 29°/ 20°
50%
Saturday
Rain Showers
85°/ 65° 29°/ 18°
60%
Sunday
Rain Showers
75°/ 58° 24°/ 14°
50%

Day: Mostly sunny. A slight chance of showers early, then a chance of showers and thunderstorms. Highs around 90. West winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent. Heat index values up to 101.

Night: Thunderstorms likely. Showers. Lows in the mid 60s. North winds around 5 mph. Chance of rain 80 percent.

Eureka, IL

Afternoon
Thunderstorms
88°/ 65° 31°/ 18°
80%
Wednesday
Thunderstorms
82°/ 68° 28°/ 20°
70%
Thursday
Rain Showers
85°/ 65° 29°/ 18°
50%
Friday
Rain Showers
85°/ 68° 29°/ 20°
30%
Saturday
Rain Showers
85°/ 65° 29°/ 18°
60%
Sunday
Rain Showers
75°/ 58° 24°/ 14°
40%

Day: Mostly sunny. A slight chance of showers and thunderstorms early, then a chance of showers and thunderstorms. Warmer with highs in the upper 80s. Southwest winds 10 to 15 mph. Chance of rain 50 percent.

Night: Showers with thunderstorms likely. Lows in the mid 60s. North winds 5 to 10 mph. Chance of rain 80 percent.

Lincoln, IL

Afternoon
Thunderstorms
92°/ 68° 33°/ 20°
70%
Wednesday
Thunderstorms
88°/ 72° 31°/ 22°
70%
Thursday
Sunny
90°/ 68° 32°/ 20°
0%
Friday
Rain Showers
88°/ 68° 31°/ 20°
30%
Sat Night
Rain Showers
65°18°
60%
Sunday
Rain Showers
78°/ 58° 26°/ 14°
50%

Day: Mostly sunny. A chance of showers and thunderstorms. Warmer with highs in the lower 90s. Southwest winds 10 to 15 mph. Chance of rain 50 percent. Heat index values up to 101.

Night: Showers and thunderstorms likely. Humid with lows in the upper 60s. Northeast winds around 5 mph. Chance of rain 70 percent.

Galesburg, IL

Afternoon
Thunderstorms
85°/ 62° 29°/ 17°
80%
Wednesday
Thunderstorms
78°/ 68° 26°/ 20°
70%
Thursday
Rain Showers
85°/ 65° 29°/ 18°
50%
Friday
Thunderstorms
82°/ 68° 28°/ 20°
50%
Saturday
Rain Showers
82°/ 62° 28°/ 17°
50%
Sunday
Rain Showers
75°/ 58° 24°/ 14°
50%

Day: Partly sunny with a chance of showers. A slight chance of thunderstorms early, then a chance of thunderstorms. Highs in the mid 80s. Southwest winds around 10 mph with gusts up to 20 mph, becoming west. Chance of rain 40 percent.

Night: Showers with thunderstorms likely. Lows in the lower 60s. North winds 5 to 10 mph. Chance of rain 80 percent.

Bloomington, IL

Afternoon
Thunderstorms
92°/ 68° 33°/ 20°
80%
Wednesday
Thunderstorms
85°/ 68° 29°/ 20°
70%
Thursday
Rain Showers
88°/ 65° 31°/ 18°
50%
Friday
Rain Showers
85°/ 68° 29°/ 20°
30%
Sat Night
Rain Showers
65°18°
60%
Sun-Sun Night
Rain Showers
78°26°
40%

Day: Mostly sunny. A slight chance of showers early, then a chance of showers and thunderstorms. Warmer with highs in the lower 90s. Southwest winds 10 to 15 mph. Chance of rain 50 percent. Heat index values up to 101.

Night: Thunderstorms likely. A chance of showers in the evening, then showers after midnight. Humid with lows in the upper 60s. North winds 5 to 10 mph, becoming northeast after midnight. Chance of rain 80 percent.

Lacon, IL

Afternoon
Thunderstorms
88°/ 65° 31°/ 18°
80%
Wednesday
Thunderstorms
78°/ 68° 26°/ 20°
70%
Thursday
Rain Showers
85°/ 65° 29°/ 18°
70%
Friday
Rain Showers
82°/ 68° 28°/ 20°
40%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
60%
Sunday
Rain Showers
75°/ 58° 24°/ 14°
40%

Day: Partly sunny with a chance of showers. A slight chance of thunderstorms early, then a chance of thunderstorms. Warmer with highs in the upper 80s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 40 percent.

Night: Showers with thunderstorms likely. Lows in the mid 60s. North winds 5 to 10 mph. Chance of rain 80 percent.

Toulon, IL

Afternoon
Thunderstorms
85°/ 62° 29°/ 17°
80%
Wednesday
Thunderstorms
78°/ 68° 26°/ 20°
70%
Thursday
Rain Showers
82°/ 65° 28°/ 18°
70%
Friday
Rain Showers
82°/ 65° 28°/ 18°
50%
Saturday
Rain Showers
85°/ 62° 29°/ 17°
60%
Sunday
Rain Showers
75°/ 58° 24°/ 14°
50%

Day: Partly sunny with a chance of showers. A slight chance of thunderstorms early, then a chance of thunderstorms. Warmer with highs in the mid 80s. Southwest winds around 10 mph with gusts up to 20 mph, becoming west. Chance of rain 40 percent.

Night: Showers with thunderstorms likely. Lows in the lower 60s. North winds 5 to 10 mph. Chance of rain 80 percent.

Petersburg, IL

Afternoon
Thunderstorms
95°/ 68° 35°/ 20°
70%
Wednesday
Thunderstorms
88°/ 72° 31°/ 22°
70%
Thursday
Sunny
92°/ 68° 33°/ 20°
30%
Friday
Cloudy
88°31°
0%
Saturday
Cloudy
88°/ 65° 31°/ 18°
50%
Sun Night
Mostly Cloudy
58°14°
0%

Day: Sunny. A chance of showers and thunderstorms. Warmer with highs in the mid 90s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 40 percent. Heat index values up to 101.

Night: Showers and thunderstorms likely. Lows in the upper 60s. North winds around 5 mph. Chance of rain 70 percent.

Clinton, IL

Afternoon
Thunderstorms
92°/ 68° 33°/ 20°
70%
Wednesday
Thunderstorms
88°/ 70° 31°/ 21°
70%
Thursday
Sunny
88°/ 68° 31°/ 20°
0%
Friday
Thunderstorms
88°/ 68° 31°/ 20°
30%
Sat Night
Rain Showers
65°18°
60%
Sunday
Rain Showers
78°/ 58° 26°/ 14°
50%

Day: Mostly sunny. A chance of showers and thunderstorms. Warmer with highs in the lower 90s. Southwest winds 10 to 15 mph. Chance of rain 50 percent. Heat index values up to 102.

Night: Showers and thunderstorms likely. Humid with lows in the upper 60s. Northeast winds 5 to 10 mph. Chance of rain 70 percent.

Rushville, IL

Afternoon
Thunderstorms
92°/ 65° 33°/ 18°
80%
Wednesday
Thunderstorms
85°/ 70° 29°/ 21°
80%
Thursday
Rain Showers
88°/ 68° 31°/ 20°
40%
Friday
Rain Showers
88°/ 68° 31°/ 20°
30%
Saturday
Rain Showers
85°/ 65° 29°/ 18°
50%
Sunday
Rain Showers
75°24°
50%

Day: Mostly sunny. A slight chance of showers early, then a chance of showers and thunderstorms. Highs in the lower 90s. West winds 5 to 10 mph. Chance of rain 40 percent. Heat index values up to 101.

Night: Thunderstorms likely. Showers. Lows in the mid 60s. North winds 5 to 10 mph. Chance of rain 80 percent.

Ottawa, IL

Today
Thunderstorms
82°/ 65° 28°/ 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%

Day: Mostly cloudy late in the morning, then becoming partly cloudy. Isolated thunderstorms in the late morning and early afternoon. Scattered showers. Scattered thunderstorms late. Highs in the lower 80s. Southwest winds 5 to 10 mph, becoming west in the afternoon. Chance of precipitation 50 percent.

Night: Mostly cloudy. A chance of thunderstorms in the evening. Showers likely. A slight chance of thunderstorms after midnight. Lows in the mid 60s. North winds 5 to 10 mph. Chance of precipitation 70 percent.

Springfield, IL

Afternoon
Thunderstorms
95°/ 68° 35°/ 20°
70%
Wednesday
Thunderstorms
92°/ 72° 33°/ 22°
70%
Thursday
Sunny
92°/ 70° 33°/ 21°
0%
Friday
Cloudy
70°21°
0%
Saturday
Cloudy
70°/ 68° 21°/ 20°
50%
Sun Night
Mostly Cloudy
60°16°
0%

Day: Sunny. A chance of showers and thunderstorms. Warmer with highs in the mid 90s. Southwest winds 10 to 15 mph. Chance of rain 40 percent. Heat index values up to 103.

Night: Thunderstorms likely. Showers likely. Humid with lows in the upper 60s. Northeast winds around 5 mph. Chance of rain 70 percent.

Hennepin, IL

Today
Thunderstorms
85°/ 65° 29°/ 18°
90%
Wednesday
Thunderstorms
72°/ 68° 22°/ 20°
80%
Thursday
Rain Showers
85°/ 65° 29°/ 18°
70%
Friday
Rain Showers
82°/ 68° 28°/ 20°
40%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
60%
Sunday
Rain Showers
75°/ 58° 24°/ 14°
50%

Day: Mostly sunny with a slight chance of showers and thunderstorms. Warmer with highs in the mid 80s. Southwest winds around 10 mph, becoming west this afternoon. Chance of rain 20 percent.

Night: Thunderstorms likely. Showers with lows in the mid 60s. North winds 5 to 10 mph. Chance of rain 90 percent.

Princeton, IL

Today
Thunderstorms
82°/ 62° 28°/ 17°
70%
Wednesday
Thunderstorms
72°/ 65° 22°/ 18°
80%
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%

Day: Partly sunny with a slight chance of thunderstorms. A chance of showers late this morning, then a slight chance of showers this afternoon. Warmer with highs in the lower 80s. Southwest winds around 10 mph, becoming west this afternoon. Chance of rain 40 percent.

Night: Thunderstorms likely. Showers likely. Humid with lows in the lower 60s. North winds 5 to 10 mph, becoming northeast after midnight. Chance of rain 70 percent.

Macomb, IL

Today
Thunderstorms
88°/ 65° 31°/ 18°
90%
Wednesday
Thunderstorms
75°/ 68° 24°/ 20°
80%
Thursday
Rain Showers
85°/ 68° 29°/ 20°
50%
Friday
Rain Showers
85°/ 68° 29°/ 20°
50%
Saturday
Rain Showers
85°/ 65° 29°/ 18°
60%
Sunday
Rain Showers
75°24°
50%

Day: Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. West winds 5 to 10 mph. Chance of rain 20 percent.

Night: Showers with thunderstorms likely. Humid with lows in the mid 60s. North winds 5 to 10 mph. Chance of rain 90 percent.

Beardstown, IL

Afternoon
Thunderstorms
92°/ 68° 33°/ 20°
80%
Wednesday
Thunderstorms
88°/ 72° 31°/ 22°
70%
Thursday
Sunny
92°/ 68° 33°/ 20°
30%
Friday
Cloudy
88°31°
0%
Saturday
Cloudy
88°/ 65° 31°/ 18°
50%

Day: Sunny. A chance of showers and thunderstorms. Highs in the lower 90s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 40 percent. Heat index values up to 102.

Night: Thunderstorms likely. Showers. Lows in the upper 60s. North winds around 5 mph. Chance of rain 80 percent.

Pontiac, IL

Today
Thunderstorms
88°/ 65° 31°/ 18°
70%
Wednesday
Thunderstorms
82°/ 68° 28°/ 20°
60%
Thursday
Thunderstorms
85°/ 65° 29°/ 18°
60%
Friday
Thunderstorms
85°/ 68° 29°/ 20°
40%
Saturday
Thunderstorms
88°/ 65° 31°/ 18°
60%
Sunday
Rain Showers
78°/ 58° 26°/ 14°
40%

Day: Partly cloudy. Isolated showers and thunderstorms late in the morning. Scattered showers and thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of precipitation 40 percent.

Night: A chance of thunderstorms in the evening. Showers likely. A slight chance of thunderstorms after midnight. Humid with lows in the mid 60s. North winds 5 to 10 mph. Chance of precipitation 70 percent.

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