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

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring moderate to locally heavy rain to portions of South Texas into Saturday. Read More >

Hazardous Weather Conditions

Current conditions at

Macomb Municipal Airport (KMQB)

Lat: 40.52°NLon: 90.65°WElev: 679ft.

Fair

87°F

31°C

Humidity 72%
Wind Speed SE 3 mph
Barometer 30.10 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 15 Aug 11:55 am CDT
Extended Forecast for

3 Miles WSW Adair IL

Heat Advisory August 16, 12:00pm until August 16, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Sunny, with a high near 92. Heat index values as high as 102. South wind around 5 mph.

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 74. Calm wind becoming southeast around 5 mph in the evening.

    Low: 74 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 94. Heat index values as high as 103. Southwest wind around 5 mph.

    High: 94 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73. South wind around 5 mph becoming calm.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 92. Heat index values as high as 102. South wind around 5 mph.
Tonight
Partly cloudy, with a low around 74. Calm wind becoming southeast around 5 mph in the evening.
Saturday
Mostly sunny, with a high near 94. Heat index values as high as 103. Southwest wind around 5 mph.
Saturday Night
Mostly clear, with a low around 73. South wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny and hot, with a high near 95.
Monday Night
Partly cloudy, with a low around 73.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Adair IL
 40.4°N 90.55°W (Elev. 633 ft)
Last Update:
11:47 am CDT Aug 15, 2025
Forecast Valid:
12pm CDT Aug 15, 2025-6pm CDT Aug 21, 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