Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

Quincy Regional Airport-Baldwin Field (KUIN)

Lat: 39.94°NLon: 91.2°WElev: 759ft.

68°F

20°C

Humidity 87%
Wind Speed NA
Barometer 29.99 in (1015.0 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 26 Aug 11:54 pm CDT
Extended Forecast for

Mendon IL

  • Overnight

    Overnight: Clear, with a low around 64. Northwest wind 3 to 6 mph.

    Low: 64 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 83. North wind 3 to 7 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. North wind around 5 mph becoming calm  in the evening.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. Light east wind.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63. Calm wind becoming southeast 5 to 7 mph in the evening.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm.  Mostly sunny, with a high near 95.

    High: 95 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 64. Northwest wind 3 to 6 mph.
Thursday
Sunny, with a high near 83. North wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 60. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 84. Light east wind.
Friday Night
Mostly clear, with a low around 63. Calm wind becoming southeast 5 to 7 mph in the evening.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 95.
Sunday Night
Partly cloudy, with a low around 75.
Monday
Mostly sunny, with a high near 96.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 74.
Tuesday
Mostly sunny, with a high near 94.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 73.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
Mendon IL
 40.08°N 91.29°W (Elev. 702 ft)
12:31 am CDT Aug 27, 2026
12am CDT Aug 27, 2026-6pm CDT Sep 2, 2026
 
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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