National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Effingham, Effingham County Memorial Airport (K1H2)

Lat: 39.07°NLon: 88.53°WElev: 587ft.

Partly Cloudy

78°F

26°C

Humidity 93%
Wind Speed SE 5 mph
Barometer 30.03 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 19 Aug 2:35 am CDT
Extended Forecast for

Montrose IL

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms after 4am. Mostly clear, with a low around 73. Light south wind.

    Low: 73 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly sunny, with a high near 90. Heat index values as high as 103. Light and variable wind becoming west southwest around 6 mph in the morning.

    High: 90 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68. North northeast wind 3 to 5 mph.

    Low: 68 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84. North northeast wind 6 to 10 mph, with gusts as high as 16 mph.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. North northeast wind 6 to 8 mph.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 84. North northeast wind 6 to 9 mph.

    High: 84 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63. Northeast wind around 6 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms after 4am. Mostly clear, with a low around 73. Light south wind.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly sunny, with a high near 90. Heat index values as high as 103. Light and variable wind becoming west southwest around 6 mph in the morning.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68. North northeast wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 84. North northeast wind 6 to 10 mph, with gusts as high as 16 mph.
Wednesday Night
Partly cloudy, with a low around 63. North northeast wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 84. North northeast wind 6 to 9 mph.
Thursday Night
Mostly clear, with a low around 63. Northeast wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 63.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Montrose IL
 39.18°N 88.41°W (Elev. 604 ft)
Last Update:
2:39 am CDT Aug 19, 2025
Forecast Valid:
2am CDT Aug 19, 2025-6pm CDT Aug 25, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation