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

Hazardous Weather Conditions

Current conditions at

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

Lat: 40.48°NLon: 88.92°WElev: 873ft.

Fog

44°F

7°C

Humidity 100%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 44°F (7°C)
Visibility 0.25 mi
Last update 5 Mar 5:56 am CST
Extended Forecast for

Saybrook IL

Dense Fog Advisory March 5, 06:00am until March 5, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory March 5, 06:00am until March 5, 09:00am

    NOW until 9:00am Thu

    Dense Fog Advisory

  • Today

    High: 58 °F

    Chance
    Showers and
    Dense Fog

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 3am. Widespread fog, mainly before 3am. Otherwise, cloudy, with a low around 47. Light and variable wind becoming southeast 5 to 9 mph after midnight.

    Low: 47 °F

    Fog then
    Slight Chance
    T-storms and
    Fog

  • Friday

    Friday: A chance of showers and thunderstorms before noon, then a slight chance of showers. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 75. Breezy, with a south wind 10 to 15 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 50%.

    High: 75 °F

    Chance
    T-storms and
    Patchy Fog

  • Friday Night

    Friday Night: A chance of showers, then showers and possibly a thunderstorm after midnight. Low around 57. Breezy, with a south wind 17 to 23 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers before noon. Mostly cloudy, with a temperature rising to near 62 by 8am, then falling to around 52 during the remainder of the day. Breezy, with a southwest wind 15 to 22 mph becoming west northwest in the afternoon. Winds could gust as high as 29 mph.

    High: 62 °F⇓

    Breezy.
    Chance
    Showers then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36. West northwest wind 7 to 13 mph, with gusts as high as 17 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 60. Southwest wind 8 to 18 mph, with gusts as high as 23 mph.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Today
A 30 percent chance of showers, mainly before 11am. Widespread dense fog, mainly before 10am. Otherwise, cloudy, with a high near 58. East wind 5 to 8 mph becoming west in the afternoon.
Tonight
A 20 percent chance of showers and thunderstorms after 3am. Widespread fog, mainly before 3am. Otherwise, cloudy, with a low around 47. Light and variable wind becoming southeast 5 to 9 mph after midnight.
Friday
A chance of showers and thunderstorms before noon, then a slight chance of showers. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 75. Breezy, with a south wind 10 to 15 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers, then showers and possibly a thunderstorm after midnight. Low around 57. Breezy, with a south wind 17 to 23 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 50 percent chance of showers before noon. Mostly cloudy, with a temperature rising to near 62 by 8am, then falling to around 52 during the remainder of the day. Breezy, with a southwest wind 15 to 22 mph becoming west northwest in the afternoon. Winds could gust as high as 29 mph.
Saturday Night
Partly cloudy, with a low around 36. West northwest wind 7 to 13 mph, with gusts as high as 17 mph.
Sunday
Sunny, with a high near 60. Southwest wind 8 to 18 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 72. Breezy.
Monday Night
A 30 percent chance of showers and thunderstorms after midnight. Mostly clear, with a low around 53.
Tuesday
Showers. Mostly cloudy, with a high near 71. Breezy.
Tuesday Night
Showers. Cloudy, with a low around 45. Breezy.
Wednesday
Showers likely. Mostly cloudy, with a high near 57. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saybrook IL
 40.42°N 88.53°W (Elev. 778 ft)
Last Update:
4:27 am CST Mar 5, 2026
Forecast Valid:
6am CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

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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