Updated: March 30, 2020 4:25 pm
Next update: March 31, 2020 5:25 am

WXSIM Forecast for: O'Fallon

Tonight


Tuesday


Tuesday
night


Wednesday


Wednesday
night


Thursday


Thursday
night


Friday


50% Friday
night











5
7
5
3
6
10
7
7
3

Temperature/Precipitation/PressureThunder/Dewpoint/Pressure UV/Solar radiation Wind Max/min temperature
  Conditions Temperature Wind Precipitation UV Index Description and notes
Tonight
5
  Partly to mostly cloudy.
Tuesday
7
  UV
UV Index: 5
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon.
Tuesday night
5
  Clear.
Wednesday
3
  UV
UV Index: 7
Sunny.
Wednesday night
6
  Partly cloudy in the evening, becoming partly to mostly cloudy after midnight.
Thursday
10
  Mostly cloudy to cloudy.
Thursday night
7
  Fair to partly cloudy.
Friday
7
<0.25 in
PoP: 50%
Dense overcast. A chance of rain. Precipitation less than a quarter of an inch.
Friday night
3
0.1 in
PoP: 50%
Dense overcast. A chance of rain. Precipitation showery or intermittent. Precipitation mostly around a tenth of an inch.
Saturday
7
  UV
UV Index: 5
Dense overcast in the morning, becoming cloudy in the afternoon.
Saturday night
2
  Partly cloudy.
Sunday
3
<0.1 in
PoP: 40%
Cloudy in the morning, becoming dense overcast in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon.
Scattered thundershowers possible. Precipitation less than a tenth of an inch.
Sunday night
3
0.5-1 in
PoP: 80%
Dense overcast. Patchy light fog. Rain likely.
Scattered thundershowers possible. Mild. Precipitation mostly between half an inch and one inch.
Move the mouse over the values for info.
  Conditions Temperature Wind Precipitation Pressure UV Index Description and notes
 06:47     19:26    Daylength: 12:38 Today
18:00
4
  30.11 in   Sunny.
21:00
3
  30.10 in   Clear.
 06:46     19:27    Daylength: 12:40 Tomorrow
00:00
5
  30.09 in   Mostly clear.
03:00
6
  30.06 in   Mostly clear.
06:00
5
  30.02 in UV
UV Index: 1
Partly cloudy.
09:00
6
  30.05 in UV
UV Index: 4
Mostly cloudy.
12:00
6
  30.05 in UV
UV Index: 5
Mostly cloudy.
15:00
8
  29.99 in UV
UV Index: 4
Mostly cloudy.
18:00
9
  30.00 in   Partly cloudy.
21:00
5
  30.04 in   Clear.
 06:44     19:27    Daylength: 12:43 Wednesday 01 Apr
00:00
3
  30.06 in   Clear.
03:00
1
  30.08 in   Clear.
06:00
0
  30.07 in UV
UV Index: 1
Clear.
09:00
2
  30.11 in UV
UV Index: 6
Sunny.
12:00
3
  30.10 in UV
UV Index: 7
Sunny.
15:00
3
  30.02 in UV
UV Index: 5
Sunny.
18:00
4
  30.00 in   Sunny.
21:00
5
  30.04 in   Clear.
 06:43     19:28    Daylength: 12:45 Thursday 02 Apr
00:00
6
  30.04 in   Clear.
03:00
6
  30.04 in   Clear.
06:00
7
  30.04 in UV
UV Index: 1
Clear.
09:00
9
  30.05 in UV
UV Index: 3
Sunny.
12:00
10
  30.05 in UV
UV Index: 4
Sunny.
15:00
12
  29.98 in UV
UV Index: 3
Sunny.
18:00
10
  29.97 in   Sunny.
21:00
7
  30.01 in   Clear.
 06:41     19:29    Daylength: 12:48 Friday 03 Apr
00:00
6
  30.03 in   Mostly clear.
03:00
7
  30.03 in   Partly cloudy.
06:00
6
0.02 in 30.01 in   Mostly cloudy.
Light rain showers.
09:00
7
0.03 in 30.02 in UV
UV Index: 2
Mostly cloudy.
Light rain showers.
12:00
7
0.05 in 30.02 in UV
UV Index: 2
Cloudy.
Light rain.
15:00
6
0.02 in 29.97 in UV
UV Index: 1
Cloudy.
Light rain.
18:00
7
0.01 in 29.99 in   Cloudy.
Light rain.
21:00
3
0.04 in 30.03 in   Cloudy.
Light rain.
 06:40     19:30    Daylength: 12:50 Saturday 04 Apr
00:00
4
0.03 in 30.05 in   Cloudy.
Light rain.
03:00
7
  30.05 in   Cloudy.
06:00
7
0.01 in 30.06 in   Cloudy.
Light rain.
09:00
7
  30.08 in UV
UV Index: 3
Cloudy.
12:00
5
  30.09 in UV
UV Index: 3
Cloudy.
15:00
3
  30.03 in UV
UV Index: 3
Mostly cloudy.
18:00
2
  30.00 in   Mostly cloudy.
21:00
1
  30.01 in   Partly cloudy.
 06:38     19:31    Daylength: 12:53 Sunday 05 Apr
00:00
1
  30.01 in   Partly cloudy.
03:00
1
  30.00 in   Mostly cloudy.
06:00
3
  29.99 in   Mostly cloudy.
09:00
4
  30.02 in UV
UV Index: 2
Cloudy.
12:00
3
0.01 in 30.02 in UV
UV Index: 3
Cloudy.
Light rain.
15:00
4
0.06 in 29.96 in UV
UV Index: 2
Cloudy.
Light rain.
18:00
3
0.21 in 29.92 in   Mostly cloudy.
Light rain showers.
Move the mouse over the values for info.
  Conditions Temperature Wind Precipitation Thunderstorm probability Dewpoint Pressure UV Index Cloud cover Visibility
 06:47     19:26    Daylength: 12:38 Today
18:00
4
  0% 36.8° 30.11 in   0% 16 miles
19:00
3
  0% 37.4° 30.11 in   0% 15 miles
20:00
3
  0% 37.3° 30.10 in   0% 15 miles
21:00
3
  0% 37.0° 30.10 in   0% 15 miles
22:00
4
  0% 36.8° 30.10 in   0% 15 miles
23:00
4
  0% 37.2° 30.09 in   0% 14 miles
 06:46     19:27    Daylength: 12:40 Tomorrow
00:00
5
  0% 37.6° 30.09 in   0% 14 miles
01:00
5
  0% 38.2° 30.08 in   2% 14 miles
02:00
6
  0% 38.7° 30.08 in   7% 14 miles
03:00
6
  0% 39.4° 30.06 in   11% 14 miles
04:00
5
  0% 39.9° 30.04 in   16% 14 miles
05:00
5
  0% 40.0° 30.03 in   22% 14 miles
06:00
5
  0% 40.0° 30.02 in   28% 14 miles
07:00
5
  0% 39.8° 30.02 in   35% 14 miles
08:00
6
  0% 39.7° 30.03 in UV
UV Index: 1
38% 14 miles
09:00
6
  0% 39.7° 30.05 in UV
UV Index: 1
43% 14 miles
10:00
6
  0% 39.8° 30.06 in UV
UV Index: 3
47% 14 miles
11:00
6
  0% 39.4° 30.06 in UV
UV Index: 4
52% 14 miles
12:00
6
  0% 38.9° 30.05 in UV
UV Index: 5
56% 14 miles
13:00
6
  0% 38.7° 30.03 in UV
UV Index: 5
61% 14 miles
14:00
7
  0% 39.1° 30.01 in UV
UV Index: 5
67% 14 miles
15:00
8
  0% 39.5° 29.99 in UV
UV Index: 4
72% 14 miles
16:00
9
  0% 39.6° 29.98 in UV
UV Index: 2
74% 15 miles
17:00
9
  0% 38.9° 29.99 in UV
UV Index: 1
54% 15 miles
18:00
9
  0% 38.1° 30.00 in   32% 15 miles
19:00
8
  0% 37.4° 30.01 in   10% 15 miles
20:00
6
  0% 36.8° 30.03 in   6% 14 miles
21:00
5
  0% 36.3° 30.04 in   3% 14 miles
22:00
4
  0% 35.8° 30.05 in   1% 14 miles
23:00
3
  0% 35.7° 30.05 in   0% 13 miles
 06:44     19:27    Daylength: 12:43 Wednesday 01 Apr
00:00
3
  0% 35.7° 30.06 in   0% 13 miles
01:00
2
  0% 35.6° 30.08 in   0% 13 miles
02:00
2
  0% 35.2° 30.09 in   0% 13 miles
03:00
1
  0% 34.9° 30.08 in   0% 13 miles
04:00
1
  0% 34.6° 30.08 in   0% 13 miles
05:00
0
  0% 34.1° 30.07 in   0% 12 miles
06:00
0
  0% 33.7° 30.07 in   0% 12 miles
07:00
0
  0% 33.3° 30.09 in   0% 12 miles
08:00
1
  0% 33.7° 30.10 in UV
UV Index: 1
0% 12 miles
09:00
2
  0% 35.1° 30.11 in UV
UV Index: 2
0% 12 miles
10:00
3
  0% 36.8° 30.12 in UV
UV Index: 4
0% 12 miles
11:00
3
  0% 37.5° 30.11 in UV
UV Index: 6
0% 12 miles
12:00
3
  0% 37.9° 30.10 in UV
UV Index: 7
0% 12 miles
13:00
3
  0% 38.2° 30.08 in UV
UV Index: 7
0% 12 miles
14:00
3
  0% 38.0° 30.05 in UV
UV Index: 7
0% 12 miles
15:00
3
  0% 37.3° 30.02 in UV
UV Index: 5
0% 13 miles
16:00
4
  0% 37.0° 30.00 in UV
UV Index: 3
0% 13 miles
17:00
4
  0% 37.4° 30.00 in UV
UV Index: 1
0% 13 miles
Move the mouse over the values for info.

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