Hazardous Weather Conditions
Current conditions at
Macomb Municipal Airport (KMQB)
Lat: 40.52°NLon: 90.65°WElev: 679ft.
Partly Cloudy
79°F
26°C
| Humidity | 95% |
| Wind Speed | S 9 mph |
| Barometer | 30.06 in |
| Dewpoint | 77°F (25°C) |
| Visibility | 10.00 mi |
| Heat Index | 83°F (28°C) |
| Last update | 14 Aug 1:55 pm CDT |
Extended Forecast for
Marietta IL
Flood Watch August 14, 10:00pm until August 15, 10:00am
This Afternoon
High: 82 °F
Slight Chance
ShowersTonight
Low: 73 °F
Chance
T-storms then
Heavy RainSaturday
High: 91 °F
Showers
Likely then
Partly SunnySaturday Night
Low: 73 °F
Mostly Cloudy
then Chance
ShowersSunday
High: 86 °F
Chance
Showers then
Chance
T-stormsSunday Night
Low: 65 °F
Partly Cloudy
Monday
High: 82 °F
Sunny
Monday Night
Low: 63 °F
Mostly Clear
Tuesday
High: 85 °F
Mostly Sunny
Detailed Forecast
This Afternoon
A 20 percent chance of showers after 4pm. Mostly cloudy, with a high near 82. East southeast wind around 7 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Low around 73. East wind 3 to 8 mph. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Saturday
Showers likely and possibly a thunderstorm before 9am, then a slight chance of showers and thunderstorms between 9am and 11am. Cloudy, then gradually becoming mostly sunny, with a high near 91. Heat index values as high as 111. Calm wind becoming southwest 5 to 7 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 73. Calm wind.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 86. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 65. Light north northwest wind.
Monday
Sunny, with a high near 82. Calm wind.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68.
Wednesday
Partly sunny, with a high near 84.
Wednesday Night
Mostly cloudy, with a low around 64.
Thursday
Mostly sunny, with a high near 78.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Marietta IL
40.5°N 90.41°W (Elev. 650 ft)
40.5°N 90.41°W (Elev. 650 ft)
1:41 pm CDT Aug 14, 2026
2pm CDT Aug 14, 2026-6pm CDT Aug 20, 2026
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