Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

Albertus Airport (KFEP)

Lat: 42.25°NLon: 89.58°WElev: 837ft.

Fair

64°F

18°C

Humidity 95%
Wind Speed W 5 mph
Barometer 29.99 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 27 Aug 1:35 am CDT
Extended Forecast for

Pecatonica IL

  • Overnight

    Overnight: Mostly clear, with a low around 61. West northwest wind around 5 mph.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. North northwest wind 5 to 10 mph.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 57. North northwest wind around 5 mph becoming calm.

    Low: 57 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am.  Otherwise, sunny, with a high near 82. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. Calm wind becoming south around 5 mph after midnight. Winds could gust as high as 10 mph.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday

    Sunday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 70.

    Low: 70 °F

    Mostly Cloudy
    then Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 61. West northwest wind around 5 mph.
Thursday
Sunny, with a high near 80. North northwest wind 5 to 10 mph.
Thursday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 57. North northwest wind around 5 mph becoming calm.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 82. Calm wind becoming west southwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 60. Calm wind becoming south around 5 mph after midnight. Winds could gust as high as 10 mph.
Saturday
Partly sunny, with a high near 79.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Sunday
Partly sunny, with a high near 86.
Sunday Night
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70.
Monday
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87.
Monday Night
A chance of showers. Partly cloudy, with a low around 70.
Tuesday
A chance of showers. Mostly sunny, with a high near 86.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Pecatonica IL
 42.31°N 89.35°W
1:35 am CDT Aug 27, 2026
1am CDT Aug 27, 2026-6pm CDT Sep 2, 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