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NWS St. Louis Announces Changes To May 16, 2025 Tornado Damage Assessment

After a year-long review of new ground survey data and aerial imagery, NWS St. Louis made several adjustments to the May 16, 2025 tornado damage assessment. Read More >

Hazardous Weather Conditions

Current conditions at

Sparta Community-Hunter Field Airport (KSAR)

Lat: 38.15°NLon: 89.7°WElev: 528ft.

N/A

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

Marissa IL

  • Today

    Today: Showers and thunderstorms likely, mainly before 11am. Mostly cloudy, with a high near 82. Southwest wind 6 to 10 mph. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 65. South wind around 8 mph.

    Low: 65 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 88. South wind 10 to 17 mph, with gusts as high as 25 mph.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 69. South wind around 14 mph, with gusts as high as 23 mph.

    Low: 69 °F

    Increasing
    Clouds

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88. Breezy, with a south wind 15 to 20 mph, with gusts as high as 28 mph.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms and
    Breezy

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86. Chance of precipitation is 70%.

    High: 86 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 61. Chance of precipitation is 80%.

    Low: 61 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 30%.

    High: 74 °F

    Chance
    Showers

Detailed Forecast

Today
Showers and thunderstorms likely, mainly before 11am. Mostly cloudy, with a high near 82. Southwest wind 6 to 10 mph. Chance of precipitation is 60%.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 65. South wind around 8 mph.
Sunday
Sunny, with a high near 88. South wind 10 to 17 mph, with gusts as high as 25 mph.
Sunday Night
Increasing clouds, with a low around 69. South wind around 14 mph, with gusts as high as 23 mph.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88. Breezy, with a south wind 15 to 20 mph, with gusts as high as 28 mph.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86. Chance of precipitation is 70%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 61. Chance of precipitation is 80%.
Wednesday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 30%.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 54.
Thursday
Partly sunny, with a high near 73.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 54.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marissa IL
 38.25°N 89.74°W (Elev. 459 ft)
Last Update:
6:01 am CDT May 16, 2026
Forecast Valid:
6am CDT May 16, 2026-6pm CDT May 22, 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