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

Effingham, Effingham County Memorial Airport (K1H2)

Lat: 39.07°NLon: 88.53°WElev: 587ft.

Mostly Cloudy with Haze

71°F

22°C

Humidity 35%
Wind Speed NW 13 G 24 mph
Barometer 30.01 in
Dewpoint 42°F (6°C)
Visibility 2.00 mi
Last update 13 May 3:35 pm CDT
Extended Forecast for

Montrose IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 70. Northwest wind around 17 mph, with gusts as high as 25 mph.

    High: 70 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. North northwest wind 6 to 11 mph becoming light north in the evening. Winds could gust as high as 18 mph.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 69. Light north wind.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 50. Calm wind becoming south southeast 5 to 8 mph after midnight. Winds could gust as high as 16 mph.

    Low: 50 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly cloudy, with a high near 75. South wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.

    High: 75 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. South wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 63 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 82. Southwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 70. Northwest wind around 17 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 43. North northwest wind 6 to 11 mph becoming light north in the evening. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 69. Light north wind.
Thursday Night
Increasing clouds, with a low around 50. Calm wind becoming south southeast 5 to 8 mph after midnight. Winds could gust as high as 16 mph.
Friday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly cloudy, with a high near 75. South wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Friday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. South wind 8 to 10 mph, with gusts as high as 18 mph.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 82. Southwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 67.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Breezy.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 70.
Tuesday
Showers and possibly a thunderstorm. Partly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Montrose IL
 39.16°N 88.38°W (Elev. 600 ft)
Last Update:
1:51 pm CDT May 13, 2026
Forecast Valid:
3pm CDT May 13, 2026-6pm CDT May 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation