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 >

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

A Few Clouds

86°F

30°C

Humidity 70%
Wind Speed E 3 mph
Barometer 30.18 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 17 Sep 1:15 pm CDT
Extended Forecast for

Basco IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 87. West wind around 5 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 3am, then a slight chance of showers and thunderstorms after 5am.  Partly cloudy, with a low around 70. North wind around 5 mph becoming east after midnight.  Chance of precipitation is 20%.

    Low: 70 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly between 7am and noon.  Mostly cloudy, then gradually becoming sunny, with a high near 87. East wind 5 to 10 mph.

    High: 87 °F

    Chance
    T-storms then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 72. Southeast wind 5 to 10 mph.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 89.

    High: 89 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely after 1am.  Mostly cloudy, with a low around 69. Chance of precipitation is 70%.

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 80. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 63. Chance of precipitation is 70%.

    Low: 63 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 1pm.  Mostly cloudy, with a high near 69. Chance of precipitation is 60%.

    High: 69 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 87. West wind around 5 mph.
Tonight
A slight chance of showers and thunderstorms before 3am, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 70. North wind around 5 mph becoming east after midnight. Chance of precipitation is 20%.
Friday
A 40 percent chance of showers and thunderstorms, mainly between 7am and noon. Mostly cloudy, then gradually becoming sunny, with a high near 87. East wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 72. Southeast wind 5 to 10 mph.
Saturday
Partly sunny, with a high near 89.
Saturday Night
A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
Monday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 58.
Tuesday
Mostly cloudy, with a high near 65.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
Partly sunny, with a high near 70.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Basco IL
 40.32°N 91.22°W (Elev. 600 ft)
1:27 pm CDT Sep 17, 2026
1pm CDT Sep 17, 2026-6pm CDT Sep 23, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database