Hazardous Weather Conditions
Current conditions at
Effingham, Effingham County Memorial Airport (K1H2)
Lat: 39.07°NLon: 88.53°WElev: 587ft.
Fair
53°F
12°C
| Humidity | 69% |
| Wind Speed | Calm |
| Barometer | 29.69 in |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 18 Feb 6:55 pm CST |
Extended Forecast for
Altamont IL
Tonight

Low: 47 °F
Increasing
CloudsThursday

High: 65 °F
Rain Likely
Thursday Night
Low: 36 °F
Slight Chance
Rain then
Mostly ClearFriday
High: 47 °F
Sunny and
Breezy then
SunnyFriday Night

Low: 28 °F
Partly Cloudy
Saturday

High: 42 °F
Mostly Sunny
Saturday Night

Low: 23 °F
Mostly Clear
Sunday

High: 35 °F
Partly Sunny
Sunday Night

Low: 19 °F
Partly Cloudy
Detailed Forecast
Tonight
Increasing clouds, with a low around 47. Calm wind becoming south around 6 mph after midnight.
Thursday
A chance of rain before noon, then rain likely and possibly a thunderstorm between noon and 2pm, then a chance of rain and thunderstorms after 2pm. Mostly cloudy, with a high near 65. South wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 20 percent chance of rain before midnight. Mostly clear, with a low around 36. Southwest wind 9 to 18 mph, with gusts as high as 28 mph.
Friday
Sunny, with a high near 47. Breezy, with a west wind 16 to 21 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 29 mph.
Friday Night
Partly cloudy, with a low around 28. North northwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 42. Northwest wind 6 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Mostly clear, with a low around 23. Northwest wind 7 to 14 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 35.
Sunday Night
Partly cloudy, with a low around 19.
Monday
Sunny, with a high near 35.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
A chance of rain. Partly sunny, with a high near 51.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Altamont IL
39.06°N 88.73°W (Elev. 600 ft)
39.06°N 88.73°W (Elev. 600 ft)
6:36 pm CST Feb 18, 2026
7pm CST Feb 18, 2026-6pm CST Feb 25, 2026



