St Charles Weather Forecast
- 0
- 19
Blizzard
- 7
- 21
Partly Sunny
- 38
- 54
Mostly Cloudy
- 44
- 71
Partly Sunny
- 46
- 74
Partly Sunny
- 41
- 74
Partly Sunny
Today 15 Mar Gregory
Snow, mainly this morning. Blowing snow. Snow may be heavy at Times this morning. Visibility one quarter mile or less at Times. Snow accumulation of 2 to 4 Inches. Strong Winds and much cooler with Highs around 20. Northwest Winds 40 to 50 Mph with Gusts up to 60 Mph. Chance of snow near 100 percent.
Tonight 15 Mar Gregory
Mostly cloudy in the Evening, then becoming partly cloudy. Blowing snow in the Evening, then patchy blowing snow after midnight with visibility one quarter mile or less at Times. Very windy and much Colder with Lows around zero. Northwest Winds 30 to 40 Mph with Gusts up to 55 Mph, Diminishing to 15 to 20 Mph with Gusts up to 35 Mph after midnight. Wind chill Values as low as 18 below.
St Charles Temperature Statistics
March Temperature
Winner, Bob Wiley Field Airport (42.9 miles)
Lowest 1 March, 2026
8.1 °FAverage March
40.2 °FHighest 8 March, 2026
73.9 °F
Climate (2021–Present)
Winner, Bob Wiley Field Airport (42.9 miles)
Average Low 2021–2026
39.7 °FAverage 2021–2026
51.4 °FAverage High 2021–2026
63.6 °F