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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Tampico IL

Flood Watch September 20, 02:50am until September 20, 01:00pm
Flash Flood Warning September 20, 02:50am until September 20, 07:30am
Click here for hazard details and duration
Flood Watch
Flash Flood Warning
  •  
    Flood Watch September 20, 02:50am until September 20, 01:00pm
    Flash Flood Warning September 20, 02:50am until September 20, 07:30am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 65 °F

    Heavy Rain
    and Patchy
    Fog

  • Sunday

    Sunday: Showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 3pm. Patchy fog before 9am. High near 69. Northeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 69 °F

    Showers and
    Patchy Fog
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers before 1am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 58. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    Showers

  • Monday

    Monday: A chance of showers before 1pm, then a slight chance of showers after 2pm. Mostly cloudy, with a high near 64. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 64 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

Overnight
Occasional showers and thunderstorms. Some of the storms could produce heavy rainfall. Patchy fog. Low around 65. North wind around 5 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Sunday
Showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 3pm. Patchy fog before 9am. High near 69. Northeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A slight chance of showers before 1am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 58. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Monday
A chance of showers before 1pm, then a slight chance of showers after 2pm. Mostly cloudy, with a high near 64. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Monday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 53.
Tuesday
Partly sunny, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Mostly cloudy, with a low around 51.
Friday
Partly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tampico IL
 41.62°N 89.8°W (Elev. 627 ft)
Last Update:
1:51 am CDT Sep 20, 2026
Forecast Valid:
2am CDT Sep 20, 2026-6pm CDT Sep 26, 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