Illinois · NWS ILX office
Pekin, IL weather
It is 61°F and cloudy at Peoria - General Downing-Peoria International Airport as of Oct 28, 1:15 AM CDT. Overnight: Partly Cloudy, low near 53°F, 2% chance of precipitation. Forecast from the National Weather Service, issued Oct 27, 11:41 PM CDT.
Current conditions
Temperature
61°F
Cloudy
Wind
S 5 mph
Humidity 63% · dew point 48°F
Pressure · visibility
30.19 inHg
Visibility 10 mi
Observed at Peoria - General Downing-Peoria International Airport (KPIA), Oct 28, 1:15 AM CDT. Station readings can lag or be missing.
Alerts for this area
No active NWS alerts cover the Pekin forecast zone right now.
Around the NWS ILX forecast area
No active alerts in zones served by the ILX office near Pekin.
From the alert snapshot of Oct 28, 2026, 2:15 AM EDT. No alerts are active anywhere in Illinois.
For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.
Next 24 hours
| Time | Temp | Forecast | Precip. chance | Wind |
|---|---|---|---|---|
| Wed 1 AM | 56°F | Partly Cloudy | 2% | S 3 mph |
| Wed 2 AM | 55°F | Mostly Cloudy | 2% | S 3 mph |
| Wed 3 AM | 57°F | Partly Cloudy | 1% | S 3 mph |
| Wed 4 AM | 56°F | Partly Cloudy | 1% | S 3 mph |
| Wed 5 AM | 55°F | Partly Cloudy | 1% | S 3 mph |
| Wed 6 AM | 55°F | Mostly Sunny | 1% | S 3 mph |
| Wed 7 AM | 54°F | Sunny | 1% | S 3 mph |
| Wed 8 AM | 55°F | Sunny | 1% | S 5 mph |
| Wed 9 AM | 59°F | Sunny | 1% | S 5 mph |
| Wed 10 AM | 64°F | Sunny | 1% | S 6 mph |
| Wed 11 AM | 68°F | Sunny | 1% | S 7 mph |
| Wed 12 PM | 72°F | Sunny | 2% | S 8 mph |
| Wed 1 PM | 75°F | Sunny | 0% | S 8 mph |
| Wed 2 PM | 77°F | Sunny | 0% | SSW 9 mph |
| Wed 3 PM | 78°F | Sunny | 0% | SSW 10 mph |
| Wed 4 PM | 78°F | Sunny | 0% | SSW 10 mph |
| Wed 5 PM | 77°F | Sunny | 0% | S 9 mph |
| Wed 6 PM | 73°F | Mostly Clear | 0% | S 8 mph |
| Wed 7 PM | 69°F | Mostly Clear | 0% | S 8 mph |
| Wed 8 PM | 67°F | Clear | 0% | S 9 mph |
| Wed 9 PM | 66°F | Mostly Clear | 0% | S 9 mph |
| Wed 10 PM | 64°F | Mostly Clear | 0% | S 10 mph |
| Wed 11 PM | 64°F | Mostly Clear | 0% | S 10 mph |
| Thu 12 AM | 63°F | Partly Cloudy | 0% | S 10 mph |
Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Pekin can differ.
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7-day forecast
Overnight
Low 53°F
Partly cloudy, with a low around 53. South wind around 3 mph.
Wednesday
High 78°F·Low 59°F
Mostly sunny, with a high near 78. South wind 3 to 12 mph, with gusts as high as 18 mph.
Wednesday Night: Mostly clear, with a low around 59. South wind around 10 mph, with gusts as high as 20 mph.
Thursday
High 77°F·Low 51°F
A slight chance of rain showers between 11am and 1pm. Mostly sunny, with a high near 77. West wind around 8 mph, with gusts as high as 16 mph.
Thursday Night: Mostly clear, with a low around 51. North northeast wind around 5 mph.
Friday
High 73°F·Low 55°F
A chance of rain showers after 7am. Partly sunny, with a high near 73. East southeast wind around 6 mph. Chance of precipitation is 40%.
Friday Night: A chance of rain showers. Mostly cloudy, with a low around 55. East wind around 6 mph. Chance of precipitation is 40%.
Saturday
High 69°F·Low 55°F
A chance of rain showers before 1pm. Mostly cloudy, with a high near 69. Chance of precipitation is 30%.
Saturday Night: A chance of rain showers after 7pm. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Sunday
High 68°F·Low 55°F
A chance of rain showers. Partly sunny, with a high near 68.
Sunday Night: A slight chance of rain showers. Mostly cloudy, with a low around 55.
Monday
High 70°F·Low 54°F
A chance of rain showers. Mostly cloudy, with a high near 70.
Monday Night: Rain showers likely before midnight, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Tuesday
High 68°F
Rain showers likely. Mostly cloudy, with a high near 68.
Nearby cities
- East Peoria, IL 8 mi
- Peoria, IL 13 mi
- Normal, IL 33 mi
- Bloomington, IL 35 mi
- Galesburg, IL 47 mi
- Springfield, IL 54 mi
- Decatur, IL 61 mi
- East Moline, IL 77 mi
Larger cities in the area
- Peoria, IL 13 mi · pop. 111,696
- Springfield, IL 54 mi · pop. 112,949
- Champaign, IL 78 mi · pop. 91,961
- Davenport, IA 85 mi · pop. 100,938
Other cities in Tazewell County
See every city we cover in Illinois, or check all active alerts.
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About this forecast
- Forecast office
- Pekin is served by the National Weather Service ILX forecast office, forecast zone ILZ037, county zone ILC179.
- Location used
- The Census Bureau's internal point for Pekin (40.5688, -89.6251), in Tazewell County. Population: 31,266 (2024 estimate), number 61 of the 121 Illinois cities on this site.
- Radar
- Nearest NWS radar: KILX. View it on radar.weather.gov.
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Sources
- Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/40.5688,-89.6251 (forecast issued Oct 27, 11:41 PM CDT).
- Official forecast page: forecast.weather.gov.
- City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
- Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.
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