Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Current conditions at

Tri-Township Airport (KSFY)

Lat: 42.05°NLon: 90.11°WElev: 614ft.

Overcast

65°F

18°C

Humidity 81%
Wind Speed E 6 mph
Barometer 29.91 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 28 Jun 5:55 am CDT
Extended Forecast for

3 Miles S Hanover IL

Extreme Heat Warning June 29, 12:00pm until June 30, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly before 3pm.  Partly sunny, with a high near 89. Southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 89 °F

    Partly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 76. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 76 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny and hot, with a high near 95. Heat index values as high as 106. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 78. South wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly before 3pm. Partly sunny, with a high near 89. Southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 76. South wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny and hot, with a high near 95. Heat index values as high as 106. South wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 78. South wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny and hot, with a high near 96.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
Sunny and hot, with a high near 95.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Sunny, with a high near 94.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74.
Friday
Mostly sunny, with a high near 93.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Independence Day
Sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Hanover IL
 42.2°N 90.27°W (Elev. 610 ft)
5:22 am CDT Jun 28, 2026
6am CDT Jun 28, 2026-6pm CDT Jul 4, 2026
 
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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