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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Hazardous Weather Conditions

Current conditions at

Macomb Municipal Airport (KMQB)

Lat: 40.52°NLon: 90.65°WElev: 679ft.

Fog/Mist

71°F

22°C

Humidity 100%
Wind Speed E 3 mph
Barometer 30.22 in
Dewpoint 71°F (22°C)
Visibility 3.00 mi
Last update 17 Sep 1:15 am CDT
Extended Forecast for

7 Miles S La Harpe IL

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 72. Southeast wind around 5 mph.

    Low: 72 °F

    Patchy Fog

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms before 9am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 85. Southeast wind around 5 mph becoming west in the afternoon.

    High: 85 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 68. East wind around 5 mph.

    Low: 68 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before 9am. Partly sunny, with a high near 85. East wind 5 to 10 mph.

    High: 85 °F

    Chance
    T-storms then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.

    Low: 68 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 72. Southeast wind around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms before 9am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 85. Southeast wind around 5 mph becoming west in the afternoon.
Thursday Night
A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 68. East wind around 5 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 9am. Partly sunny, with a high near 85. East wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 71.
Saturday
Partly sunny, with a high near 88.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 74.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 60.
Tuesday
Partly sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles S La Harpe IL
 40.49°N 90.96°W (Elev. 650 ft)
Last Update:
11:41 pm CDT Sep 16, 2026
Forecast Valid:
1am CDT Sep 17, 2026-6pm CDT Sep 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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