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

Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Hazardous Weather Conditions

Current conditions at

Quincy Regional Airport-Baldwin Field (KUIN)

Lat: 39.94°NLon: 91.2°WElev: 759ft.

Fair

78°F

26°C

Humidity 74%
Wind Speed SW 10 mph
Barometer 30.01 in (1015.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 15 Sep 7:54 am CDT
Extended Forecast for

Augusta IL

  • Today

    Today: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    High: 89 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 1am, then showers likely and possibly a thunderstorm after 3am. Increasing clouds, with a low around 66. North wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 66 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely before 10am, then a chance of showers between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 84. East wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 84 °F

    Showers
    Likely then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. East wind around 5 mph becoming south after midnight.

    Low: 71 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 88.

    High: 88 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 86.

    High: 86 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers. Mostly sunny, with a high near 85.

    High: 85 °F

    Chance
    Showers

Detailed Forecast

Today
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Tonight
Showers and thunderstorms likely, mainly before 1am, then showers likely and possibly a thunderstorm after 3am. Increasing clouds, with a low around 66. North wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers and thunderstorms likely before 10am, then a chance of showers between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 84. East wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. East wind around 5 mph becoming south after midnight.
Thursday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 88.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68.
Friday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 69.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 85.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 65.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 75.
Sunday Night
Mostly cloudy, with a low around 59.
Monday
Partly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Augusta IL
 40.23°N 90.94°W (Elev. 650 ft)
Last Update:
6:41 am CDT Sep 15, 2026
Forecast Valid:
8am CDT Sep 15, 2026-6pm CDT Sep 21, 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