Hazardous Weather Conditions
Current conditions at
Effingham, Effingham County Memorial Airport (K1H2)
Lat: 39.07°NLon: 88.53°WElev: 587ft.
Partly Cloudy
81°F
27°C
| Humidity | 81% |
| Wind Speed | SW 6 mph |
| Barometer | 29.93 in |
| Dewpoint | 74°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 87°F (31°C) |
| Last update | 19 Aug 4:35 pm CDT |
Extended Forecast for
5 Miles NNE Altamont IL
This Afternoon

High: 81 °F
Chance
T-stormsTonight

Low: 67 °F
Chance
T-storms and
Patchy FogThursday
High: 82 °F
Patchy Fog
then Mostly
SunnyThursday Night

Low: 62 °F
Partly Cloudy
Friday

High: 84 °F
Sunny
Friday Night

Low: 64 °F
Mostly Clear
Saturday

High: 83 °F
Mostly Sunny
Saturday Night

Low: 62 °F
Mostly Clear
Sunday

High: 82 °F
Mostly Sunny
Detailed Forecast
This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Light west southwest wind.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 2am. Patchy fog after 1am. Otherwise, partly cloudy, then becoming cloudy toward daybreak, with a low around 67. Calm wind.
Thursday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 82. Calm wind becoming north northeast around 5 mph in the morning.
Thursday Night
Partly cloudy, with a low around 62. Light north northeast wind.
Friday
Sunny, with a high near 84. Light and variable wind.
Friday Night
Mostly clear, with a low around 64. Calm wind.
Saturday
Mostly sunny, with a high near 83. Light west wind becoming northwest 5 to 9 mph in the morning. Winds could gust as high as 15 mph.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 86.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
5 Miles NNE Altamont IL
39.12°N 88.7°W (Elev. 614 ft)
39.12°N 88.7°W (Elev. 614 ft)
4:36 pm CDT Aug 19, 2026
4pm CDT Aug 19, 2026-6pm CDT Aug 26, 2026



