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Fountain, IL 7-Day Weather Forecast
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Fountain Weather Forecast
Fountain, IL Weather Forecast Date: 1033 PM CST Mon Mar 02 2026
Weather forecast for Fountain, IL
Tonight Lo: 39°F Lo: 4°C |
Tonight... Cloudy. Patchy very light drizzle late this evening, then rain with a chance of thunderstorms. Patchy fog late this evening, then areas of fog. Near steady temperature in the upper 30s. East winds around 5 mph. Chance of rain 90%. |
Tue Hi: 61°FHi: 16°C Lo: 50°F Lo: 10°C |
Tuesday... Patchy fog in the morning. Rain likely with a chance of thunderstorms. Not as cool with highs in the lower 60s. Southeast winds around 5 mph. Chance of rain 70%. |
| Wed Hi: 65°FHi: 18°C Lo: 55°F Lo: 13°C |
Wednesday... A chance of thunderstorms. Rain. Highs in the mid 60s. South winds around 5 mph. Chance of rain near 100%. |
| Thu Hi: 71°FHi: 22°C Lo: 55°F Lo: 13°C |
Thursday... Mostly cloudy with rain likely with a chance of thunderstorms in the morning, then partly sunny with a chance of rain with a slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 70%. |
| Fri Hi: 80°FHi: 27°C Lo: 59°F Lo: 15°C |
Friday... Mostly cloudy. A chance of rain and thunderstorms. Lows in the mid 50s. Highs around 80. Chance of rain 50%. |
| Sat Hi: 71°FHi: 22°C Lo: 50°F Lo: 10°C |
Saturday... Cloudy with a slight chance of thunderstorms. Rain, mainly in the morning. Highs in the lower 70s. Chance of rain 80%. |
Sun Hi: 65°FHi: 18°C Lo: 50°F Lo: 10°C |
Sunday... Mostly cloudy with a 20% chance of rain. Highs in the mid 60s. Lows around 50. |
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