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June 17, 2026 Severe Weather

Current conditions at

Effingham, Effingham County Memorial Airport (K1H2)

Lat: 39.07°NLon: 88.53°WElev: 587ft.

Fair

65°F

18°C

Humidity	100%
Wind Speed	Calm
Barometer	30.04 in
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Last update	20 Jun 12:15 am CDT

More Information:

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

Extended Forecast for

4 Miles ENE Altamont IL

Overnight
Low: 63 °F
Mostly Cloudy
Saturday
High: 82 °F
Mostly Sunny
Saturday Night
Low: 63 °F
Partly Cloudy
Sunday
High: 80 °F
Showers
Likely then
T-storms
Sunday Night
Low: 64 °F
T-storms
Monday
High: 75 °F
Partly Sunny
Monday Night
Low: 57 °F
Partly Cloudy
Tuesday
High: 77 °F
Mostly Sunny
Tuesday Night
Low: 59 °F
Mostly Clear

Detailed Forecast

Overnight

Mostly cloudy, with a low around 63. Calm wind.

Saturday

Mostly sunny, with a high near 82. Calm wind becoming northwest around 5 mph in the afternoon.

Saturday Night

Partly cloudy, with a low around 63. Light and variable wind.

Sunday

Showers likely and possibly a thunderstorm between 11am and 1pm, then showers and thunderstorms after 1pm. High near 80. East southeast wind 6 to 14 mph becoming south in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

Sunday Night

Showers and thunderstorms, mainly before 1am. Low around 64. South southwest wind 10 to 14 mph becoming west northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Monday

Partly sunny, with a high near 75. North wind around 10 mph, with gusts as high as 17 mph.

Monday Night

Partly cloudy, with a low around 57. North northeast wind 5 to 9 mph.

Tuesday

Mostly sunny, with a high near 77.

Tuesday Night

Mostly clear, with a low around 59.

Wednesday

Sunny, with a high near 79.

Wednesday Night

Mostly clear, with a low around 59.