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June 21, 2026 Severe Storm Summary

Hazardous Weather Conditions

Current conditions at

Effingham, Effingham County Memorial Airport (K1H2)

Lat: 39.07° N Lon: 88.53° W Elev: 587 ft.

Overcast

74°F

23°C

Humidity	100%
Wind Speed	Calm
Barometer	29.93 in
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Last update	27 Jun 10:15 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Detailed forecast for

Effingham County

Rest Of Tonight

Mostly cloudy. A chance of showers late this evening, then a slight chance of showers and thunderstorms. Patchy fog. Near steady temperature in the lower 70s. South winds around 5 mph. Chance of rain 30 percent.

Sunday

Partly sunny. A slight chance of showers and thunderstorms in the morning. Patchy fog in the morning. Humid with highs around 90. South winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 104 in the afternoon.

Sunday Night

Mostly clear. Humid with lows in the lower 70s. South winds 5 to 10 mph.

Monday

Mostly sunny. Humid with highs in the lower 90s. South winds 5 to 10 mph. Heat index values up to 107.

Monday Night

Mostly clear. Humid with lows in the lower 70s. South winds 5 to 10 mph.

Tuesday Through Wednesday

Clear. Highs in the lower 90s. Lows in the lower 70s.

Wednesday Night Through Friday Night

Mostly clear. Lows in the lower 70s. Highs in the lower 90s.

Independence Day

Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent.