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.

Fair

68°F

20°C

Humidity 63%
Wind Speed NW 7 mph
Barometer 30.02 in (1016.0 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 19 Jun 7:56 am CDT
Extended Forecast for

Merna IL

  • Juneteenth

    Juneteenth: Sunny, with a high near 78. West northwest wind 6 to 11 mph, with gusts as high as 16 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 59. West northwest wind 5 to 7 mph becoming light and variable.

    Low: 59 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 10am. Partly sunny, then gradually becoming sunny, with a high near 80. West wind 6 to 10 mph, with gusts as high as 15 mph.

    High: 80 °F

    Slight Chance
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60. Light and variable wind becoming east southeast 5 to 7 mph after midnight.

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rainfall. High near 75. East southeast wind 9 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 75 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 59. Breezy, with an east wind 17 to 21 mph becoming north after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.

    Low: 59 °F

    Showers and
    Breezy

  • Monday

    Monday: Partly sunny, with a high near 74. North northeast wind around 17 mph, with gusts as high as 23 mph.

    High: 74 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Juneteenth
Sunny, with a high near 78. West northwest wind 6 to 11 mph, with gusts as high as 16 mph.
Tonight
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 59. West northwest wind 5 to 7 mph becoming light and variable.
Saturday
A 20 percent chance of showers before 10am. Partly sunny, then gradually becoming sunny, with a high near 80. West wind 6 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 60. Light and variable wind becoming east southeast 5 to 7 mph after midnight.
Sunday
Showers likely, then showers and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rainfall. High near 75. East southeast wind 9 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Showers and possibly a thunderstorm. Low around 59. Breezy, with an east wind 17 to 21 mph becoming north after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Monday
Partly sunny, with a high near 74. North northeast wind around 17 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Merna IL
 40.54°N 88.87°W (Elev. 791 ft)
Last Update:
8:06 am CDT Jun 19, 2026
Forecast Valid:
8am CDT Jun 19, 2026-6pm CDT Jun 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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