Tropical System in the Gulf; Dangerous Heat and Air Quality Concerns; Severe Thunderstorms for Midwest to mid-Atlantic

Tropical system in the Gulf expected to gradually strengthen the next couple of days off the Florida Panhandle and Alabama coasts. Instances of flash flooding will be possible through Thursday along the eastern and central Gulf Coast. Severe thunderstorms will develop and move along a cold front crossing the Upper Midwest, and through the Ohio Valley/Mid-Atlantic on Tuesday. Read More >

Current conditions at

Albertus Airport (KFEP)

Lat: 42.25° N Lon: 89.58° W Elev: 837 ft.

Thunderstorm in Vicinity

79°F

26°C

Humidity 79%
Wind Speed W 10 mph
Barometer 29.89 in
Dewpoint 71°F (22°C)
Visibility 7.00 mi
Heat Index82°F (28°C)
Last update 20 Jul 5:35 pm CDT
Detailed forecast for

Stephenson County

Tonight
Mostly cloudy with showers and thunderstorms likely this evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows around 70. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.
Tuesday
Sunny with highs in the lower 80s. Northwest winds 15 to 20 mph.
Tuesday Night
Mostly clear. Cooler with lows in the mid 50s. North winds 10 to 15 mph.
Wednesday
Sunny. Highs in the mid 70s. North winds 5 to 10 mph.
Wednesday Night
Mostly clear. Lows in the mid 50s. North winds around 5 mph in the evening, becoming light and variable.
Thursday
Sunny. Highs in the upper 70s.
Thursday Night And Friday
Partly cloudy. Lows in the upper 50s. Highs in the upper 70s.
Friday Night And Saturday
Mostly clear. Lows in the upper 50s. Highs in the mid 80s.
Saturday Night And Sunday
Mostly clear. Hot. Lows in the mid 60s. Highs around 90.
Sunday Night
Mostly clear in the evening, then becoming partly cloudy. A chance of showers after midnight. Lows in the upper 60s. Chance of rain 30 percent.
Monday
Sunny. Highs in the upper 80s.



Basemap Options
Click map to change the forecast location
Loading map...
537 PM CDT Mon Jul 20 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database