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

Heavy to Excessive Rainfall This Week from the Southwest into Central U.S.

Pacific tropical moisture wrapping into a storm over the southwest U.S. will continue a multi-day heavy rainfall event this week that will extend into the Midwest and southern Plains. Considerable flash flooding is possible across portions of New Mexico and west Texas today through Wednesday. Read More >

Current conditions at

Macomb Municipal Airport (KMQB)

Lat: 40.52°NLon: 90.65°WElev: 679ft.

Fair

75°F

24°C

Humidity 41%
Wind Speed S 10 mph
Barometer 30.04 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 29 Sep 10:55 am CDT
Extended Forecast for

Raritan IL

  • Today

    Today: Mostly sunny, with a high near 78. South wind 5 to 10 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 64. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms between noon and 1pm, then a chance of showers after 1pm. Mostly cloudy, with a high near 76. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Showers
    Likely then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. Southeast wind around 5 mph. Chance of precipitation is 50%.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Showers. High near 74. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    High: 74 °F

    Showers

  • Thursday Night

    Thursday Night: Showers. Low around 60. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 60 °F

    Showers

  • Friday

    Friday: A 50 percent chance of showers before 1pm. Mostly cloudy, with a high near 66.

    High: 66 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 78. South wind 5 to 10 mph.
Tonight
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 64. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms between noon and 1pm, then a chance of showers after 1pm. Mostly cloudy, with a high near 76. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. Southeast wind around 5 mph. Chance of precipitation is 50%.
Thursday
Showers. High near 74. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Thursday Night
Showers. Low around 60. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Friday
A 50 percent chance of showers before 1pm. Mostly cloudy, with a high near 66.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Mostly cloudy, with a low around 53.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Raritan IL
 40.69°N 90.83°W (Elev. 755 ft)
Last Update:
5:21 am CDT Sep 29, 2026
Forecast Valid:
11am CDT Sep 29, 2026-6pm CDT Oct 5, 2026
 
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