County Forecast for Cape Girardeau , MO
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210900-
Cape Girardeau-
Including the cities of Cape Girardeau and Jackson
757 PM CDT Mon Jul 20 2026

..heat advisory in effect until 11 am cdt tuesday    ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM TO 7 PM CDT TUESDAY...
Tonight   Mostly clear this evening, then becoming partly cloudy. Lows in the mid 70s. Southwest winds around 5 mph.
Tuesday   Mostly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. West winds around 5 mph. Chance of rain 40 percent. Highest heat index readings heat index readings up to 110 in the afternoon.
Tuesday night   Partly cloudy in the evening, then clearing. Lows around 70. North winds 5 to 10 mph.
Wednesday   Sunny. Highs in the lower 80s. North winds 5 to 10 mph.
Wednesday night   Partly cloudy. Lows in the lower 60s. Northeast winds 5 to 10 mph.
Thursday and thursday night   Partly cloudy. Highs in the lower 80s. Lows in the lower 60s.
Friday   Partly sunny. A chance of showers in the morning. Highs in the lower 80s. Chance of rain 30 percent.
Friday night   Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 60s.
Saturday   Mostly sunny. Highs in the mid 80s.
Saturday night through sunday night   Mostly clear. Lows in the lower 70s. Highs in the lower 90s.
Monday   Mostly sunny. Highs in the mid 90s.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Front Continues Through Corn Belt Tuesday
Posted at 12:04PM Mon Jul 20, 2026 CDT
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