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

Hazardous Weather Conditions

Current conditions at

Lansing Municipal Airport (KIGQ)

Lat: 41.54°NLon: 87.53°WElev: 607ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Saint John IN

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after midnight. Patchy fog after 1am. Otherwise, increasing clouds, with a low around 67. East southeast wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    T-storms and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 9am, then showers likely and possibly a thunderstorm between 9am and 4pm, then a chance of showers and thunderstorms after 4pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 81. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Showers
    Likely and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 66. South wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 79 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Northeast wind around 5 mph. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Friday

    Friday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 78.

    High: 78 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 82.

    High: 82 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers after 1am. Partly cloudy, with a low around 69.

    Low: 69 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly after midnight. Patchy fog after 1am. Otherwise, increasing clouds, with a low around 67. East southeast wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers and thunderstorms before 9am, then showers likely and possibly a thunderstorm between 9am and 4pm, then a chance of showers and thunderstorms after 4pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 81. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 66. South wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Northeast wind around 5 mph. Chance of precipitation is 60%.
Friday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 78.
Friday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63.
Saturday
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 82.
Saturday Night
A chance of showers after 1am. Partly cloudy, with a low around 69.
Sunday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83.
Sunday Night
Mostly cloudy, with a low around 65.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint John IN
 41.43°N 87.47°W
Last Update:
6:31 pm CDT Aug 11, 2026
Forecast Valid:
6pm CDT Aug 11, 2026-6pm CDT Aug 18, 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