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

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (KBMI)

Lat: 40.48°NLon: 88.92°WElev: 873ft.

Overcast

68°F

20°C

Humidity 81%
Wind Speed SE 6 mph
Barometer 29.94 in (1013.1 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 30 Sep 1:56 pm CDT
Extended Forecast for

Saybrook IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers before 4pm. Cloudy, with a high near 77. South southeast wind around 7 mph.

    High: 77 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 68. East southeast wind 6 to 9 mph becoming south after midnight. Winds could gust as high as 17 mph.

    Low: 68 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 81. South wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers, mainly before 3am. Low around 59. West wind 7 to 11 mph becoming north after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 59 °F

    Showers

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 69. North wind around 14 mph, with gusts as high as 20 mph.

    High: 69 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 45. Northeast wind 6 to 8 mph.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 70. East wind 6 to 8 mph.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers before 4pm. Cloudy, with a high near 77. South southeast wind around 7 mph.
Tonight
Mostly cloudy, with a low around 68. East southeast wind 6 to 9 mph becoming south after midnight. Winds could gust as high as 17 mph.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 81. South wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers, mainly before 3am. Low around 59. West wind 7 to 11 mph becoming north after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 69. North wind around 14 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 45. Northeast wind 6 to 8 mph.
Saturday
Sunny, with a high near 70. East wind 6 to 8 mph.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 46.
Monday
Sunny, with a high near 67.
Monday Night
Clear, with a low around 41.
Tuesday
Sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saybrook IL
 40.42°N 88.53°W (Elev. 778 ft)
Last Update:
1:26 pm CDT Sep 30, 2026
Forecast Valid:
2pm CDT Sep 30, 2026-6pm CDT Oct 6, 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