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

51°F

11°C

Humidity 64%
Wind Speed NE 12 mph
Barometer 30.25 in (1023.9 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 20 May 10:56 pm CDT
Extended Forecast for

Arrowsmith IL

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Northeast wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 69. East wind 11 to 17 mph, with gusts as high as 23 mph.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 48. East wind 13 to 15 mph, with gusts as high as 21 mph.

    Low: 48 °F

    Increasing
    Clouds

  • Friday

    Friday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 68. East wind around 16 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 68 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely before 1am. Cloudy, with a low around 54. East northeast wind 9 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly cloudy, with a high near 76. West southwest wind 9 to 13 mph, with gusts as high as 16 mph.

    High: 76 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 56. Southwest wind 5 to 8 mph.

    Low: 56 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 78.

    High: 78 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 45. Northeast wind 10 to 13 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 69. East wind 11 to 17 mph, with gusts as high as 23 mph.
Thursday Night
Increasing clouds, with a low around 48. East wind 13 to 15 mph, with gusts as high as 21 mph.
Friday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 68. East wind around 16 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers likely before 1am. Cloudy, with a low around 54. East northeast wind 9 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Mostly cloudy, with a high near 76. West southwest wind 9 to 13 mph, with gusts as high as 16 mph.
Saturday Night
Mostly cloudy, with a low around 56. Southwest wind 5 to 8 mph.
Sunday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 78.
Sunday Night
Mostly cloudy, with a low around 56.
Memorial Day
Partly sunny, with a high near 80.
Monday Night
Mostly cloudy, with a low around 58.
Tuesday
A chance of showers. Partly sunny, with a high near 80.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 61.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arrowsmith IL
 40.45°N 88.64°W (Elev. 873 ft)
Last Update:
10:36 pm CDT May 20, 2026
Forecast Valid:
11pm CDT May 20, 2026-6pm CDT May 27, 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