On July 7, 2015, NWS implemented changes to the icons depicted on all of its point-forecast pages. Changes include new icon images with increased clarity, 6-hour increments for rapidly changing weather and new color blocks to highlight forecast hazards.

A page depicting all of the new icon images can be accessed here: www.weather.gov/forecast-icons

Changes to the icons were based on analysis of 6,700 public comments collected in 2014. Also, many of these changes are based on the results of a research project led by the National Center for Atmospheric Research.

Users are encouraged to continue to provide comments regarding these changes via email at icons@noaa.gov. NWS will continue to analyze incoming feedback and refine the icons as necessary. Any substantial change to the icons will be facilitated through the NWS public comment/review process.

Active weather from Northern Rockies to Upper Midwest

A storm system in the northern U.S. will bring a variety of weather across several states from the Northern Rockies to the Upper Midwest on Saturday. Several inches of early-season snow are forecast in the higher elevations of Idaho and western Montana. Locally-heavy rain will accompany strong thunderstorms in the northern Plains and Upper Midwest.
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Current conditions at

St. Charles, St. Charles County Smartt Airport (KSET)

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

79°F

26°C

Humidity 82%
Wind Speed E 3 mph
Barometer 30.09 in (1018.5 mb)
Dewpoint 73°F (23°C)
Visibility 7.00 mi
Heat Index82°F (28°C)
Last update 5 Sep 8:54 am CDT

Detailed Forecast

Today
Hot and humid. Mostly sunny. High in the mid 90s. Highest heat index readings of around 100 late in the afternoon. Light wind.
Tonight
Mostly clear. Low around 70. Light wind.
Sunday
Mostly sunny. High in the mid 90s. South wind around 10 mph.
Sunday Night
Partly cloudy. Low around 70. Light wind.
Labor Day
Partly sunny early in the morning then becoming mostly cloudy. A 30 percent chance of showers and thunderstorms. High around 90. Light wind.
Monday Night
Mostly cloudy with a 40 percent chance of showers and thunderstorms. Low around 70.
Tuesday
Showers and thunderstorms likely. High in the mid 80s. Chance of rain 60 percent.
Tuesday Night
Showers and thunderstorms likely. Low in the upper 60s. Chance of rain 60 percent.
Wednesday
Partly sunny with a 40 percent chance of showers and thunderstorms. High in the lower 80s.
Wednesday Night Through Thursday Night
Partly cloudy with a 30 percent chance of showers and thunderstorms. Low in the lower 60s. High in the lower 80s.
Friday
Partly sunny with a 30 percent chance of showers and thunderstorms. High in the mid 70s.



  Click Map For Detailed Forecast
344 AM CDT SAT SEP 5 2015
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Graph

National Digital Forecast Database