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.

Partly Cloudy and Breezy

68°F

20°C

Humidity 73%
Wind Speed S 24 G 31 mph
Barometer 29.73 in (1006.2 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 9 Mar 4:56 pm CDT
Extended Forecast for

Merna IL

  • Tonight

    Tonight: Partly cloudy, with a low around 58. South southwest wind 13 to 15 mph, with gusts as high as 24 mph.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 11am. Otherwise, partly sunny, with a high near 78. South southwest wind 11 to 16 mph, with gusts as high as 24 mph.

    High: 78 °F

    Patchy Fog
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8pm. Low around 46. South southwest wind 15 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 46 °F

    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. Temperature falling to around 43 by 5pm. Breezy, with a southwest wind 16 to 24 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 58 °F⇓

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 27. Blustery, with a north northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 26 mph.

    Low: 27 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 47. West northwest wind 7 to 15 mph, with gusts as high as 20 mph.

    High: 47 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 39. Breezy, with a south wind 14 to 19 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 36 mph.

    Low: 39 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Mostly cloudy, with a high near 52. Breezy.

    High: 52 °F

    Mostly Cloudy
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 58. South southwest wind 13 to 15 mph, with gusts as high as 24 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 11am. Otherwise, partly sunny, with a high near 78. South southwest wind 11 to 16 mph, with gusts as high as 24 mph.
Tuesday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8pm. Low around 46. South southwest wind 15 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers and possibly a thunderstorm. Temperature falling to around 43 by 5pm. Breezy, with a southwest wind 16 to 24 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 27. Blustery, with a north northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 26 mph.
Thursday
Increasing clouds, with a high near 47. West northwest wind 7 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 39. Breezy, with a south wind 14 to 19 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 36 mph.
Friday
Mostly cloudy, with a high near 52. Breezy.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Mostly cloudy, with a high near 57.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 42.
Sunday
Rain likely. Cloudy, with a high near 56. Breezy.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 21. Blustery.
Monday
Partly sunny, with a high near 35.
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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:
4:36 pm CDT Mar 9, 2026
Forecast Valid:
5pm CDT Mar 9, 2026-6pm CDT Mar 16, 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