National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Peoria - General Downing-Peoria International Airport (KPIA)

Lat: 40.67°NLon: 89.68°WElev: 659ft.

Fair

58°F

14°C

Humidity 78%
Wind Speed SW 5 mph
Barometer 29.83 in (1009.7 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 16 Jun 2:54 am CDT
Extended Forecast for

Tremont IL

  • Overnight

    Overnight: Clear, with a low around 56. South southwest wind around 8 mph, with gusts as high as 16 mph.

    Low: 56 °F

    Clear

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly before 10am. Mostly cloudy, then gradual clearing during the afternoon, with a high near 77. South southwest wind 10 to 18 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers
    Likely then
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54. West northwest wind 6 to 11 mph becoming light and variable. Winds could gust as high as 21 mph.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 2pm, then showers and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. High near 81. Breezy, with a south southeast wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 81 °F

    Showers then
    Heavy Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 61. Breezy, with a west southwest wind 11 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers
    Likely and
    Breezy

  • Thursday

    Thursday: Mostly sunny, with a high near 75. West northwest wind 11 to 15 mph, with gusts as high as 23 mph.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. Northwest wind around 6 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 56. South southwest wind around 8 mph, with gusts as high as 16 mph.
Tuesday
Showers and thunderstorms likely, mainly before 10am. Mostly cloudy, then gradual clearing during the afternoon, with a high near 77. South southwest wind 10 to 18 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Partly cloudy, with a low around 54. West northwest wind 6 to 11 mph becoming light and variable. Winds could gust as high as 21 mph.
Wednesday
Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 2pm, then showers and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. High near 81. Breezy, with a south southeast wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Wednesday Night
Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 61. Breezy, with a west southwest wind 11 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 75. West northwest wind 11 to 15 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 55. Northwest wind around 6 mph becoming calm in the evening.
Juneteenth
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 57.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 62.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 81.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63.
Monday
Partly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tremont IL
 40.52°N 89.51°W (Elev. 636 ft)
Last Update:
3:36 am CDT Jun 16, 2026
Forecast Valid:
3am CDT Jun 16, 2026-6pm CDT Jun 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation