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 >

Current conditions at

Pittsfield, Pittsfield Penstone Municipal Airport (KPPQ)

Lat: 39.64° N Lon: 90.78° W Elev: 709 ft.

Fair

75°F

24°C

Humidity 90%
Wind Speed S 5 mph
Barometer 29.95 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 19 Sep 4:55 am CDT
Detailed forecast for

Brown County

Today
Partly sunny this morning, then becoming mostly cloudy. Highs in the lower 90s. Southwest winds 5 to 10 mph with gusts up to 20 mph.
Tonight
Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the upper 60s. South winds around 5 mph, becoming west after midnight. Chance of rain 50 percent.
Sunday
Mostly cloudy with a chance of showers and thunderstorms. Cooler with highs around 80. North winds 5 to 10 mph. Chance of rain 50 percent.
Sunday Night
Cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the lower 60s. Northeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent.
Monday
Showers likely with a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon. Cooler with highs in the upper 60s. Northeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent.
Monday Night And Tuesday
Mostly cloudy. A 20 percent chance of showers. Lows in the mid 50s. Highs in the mid 60s.
Tuesday Night Through Wednesday Night
Partly cloudy. Lows in the lower 50s. Highs in the upper 60s.
Thursday
Partly sunny. Highs in the lower 70s.
Thursday Night
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s.
Friday
Partly sunny. Highs in the lower 70s.



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453 AM CDT Sat Sep 19 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database