Updated: March 29, 2020 5:25 am
Next update: March 29, 2020 4:25 pm

WXSIM Forecast for: O'Fallon

Today


Tonight


Monday


Monday
night


Tuesday


Tuesday
night


Wednesday


Wednesday
night


Thursday











18
8
5
5
9
3
2
5
9

Temperature/Precipitation/PressureThunder/Dewpoint/Pressure UV/Solar radiation Wind Max/min temperature
  Conditions Temperature Wind Precipitation UV Index Description and notes
Today
18
  UV
UV Index: 7
Partly to mostly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Windy.
Tonight
8
  Fair.
Monday
5
  UV
UV Index: 7
Mostly sunny.
Monday night
5
  Partly cloudy in the evening, becoming partly to mostly cloudy after midnight.
Tuesday
9
  UV
UV Index: 5
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon.
Tuesday night
3
  Partly cloudy in the evening, becoming partly to mostly cloudy after midnight.
Wednesday
2
  UV
UV Index: 7
Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon.
Wednesday night
5
  Partly cloudy in the evening, becoming mostly cloudy after midnight.
Thursday
9
  UV
UV Index: 4
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon.
Thursday night
7
  Cloudy.
Friday
8
<0.1 in
PoP: 30%
UV
UV Index: 5
Dense overcast in the morning, becoming cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. Precipitation showery or intermittent. Precipitation less than a tenth of an inch.
Friday night
6
<0.25 in
PoP: 50%
Mostly cloudy to cloudy in the evening, becoming dense overcast after midnight. A chance of rain.
Scattered thundershowers possible. Precipitation less than a quarter of an inch.
Saturday
9
<0.1 in
PoP: 40%
Dense overcast. A chance of rain. Precipitation less than a tenth of an inch.
Saturday night
6
  Mostly cloudy to cloudy in the evening, becoming partly cloudy after midnight.
Move the mouse over the values for info.
  Conditions Temperature Wind Precipitation Pressure UV Index Description and notes
 06:49     19:25    Daylength: 12:35 Today
18:00
13
  29.97 in   Partly cloudy.
21:00
7
  30.04 in   Cloudy.
 06:47     19:26    Daylength: 12:38 Tomorrow
00:00
6
  30.09 in   Cloudy.
03:00
5
  30.13 in   Cloudy.
06:00
4
  30.16 in UV
UV Index: 1
Partly cloudy.
09:00
4
  30.23 in UV
UV Index: 6
Cloudy.
12:00
6
  30.22 in UV
UV Index: 7
Cloudy.
15:00
6
  30.14 in UV
UV Index: 5
Cloudy.
18:00
5
  30.12 in   Partly cloudy.
21:00
4
  30.11 in   Cloudy.
 06:46     19:27    Daylength: 12:40 Tuesday 31 Mar
00:00
6
  30.09 in   Mostly clear.
03:00
6
  30.06 in   Mostly clear.
06:00
5
  30.04 in UV
UV Index: 1
Mostly cloudy.
09:00
6
  30.07 in UV
UV Index: 4
Cloudy.
12:00
7
  30.06 in UV
UV Index: 5
Cloudy.
15:00
9
  29.99 in UV
UV Index: 4
Mostly cloudy.
18:00
8
  30.00 in   Cloudy.
21:00
5
  30.05 in   Cloudy.
 06:44     19:27    Daylength: 12:43 Wednesday 01 Apr
00:00
3
  30.08 in   Cloudy.
03:00
2
  30.08 in   Cloudy.
06:00
1
  30.09 in   Cloudy.
Light fog.
09:00
2
  30.11 in UV
UV Index: 5
Cloudy.
12:00
2
  30.11 in UV
UV Index: 7
Cloudy.
15:00
3
  30.03 in UV
UV Index: 5
Cloudy.
18:00
3
  30.02 in   Cloudy.
21:00
4
  30.05 in   Cloudy.
 06:43     19:28    Daylength: 12:45 Thursday 02 Apr
00:00
5
  30.06 in   Cloudy.
03:00
5
  30.05 in   Cloudy.
06:00
6
  30.05 in UV
UV Index: 1
Cloudy.
09:00
8
  30.06 in UV
UV Index: 4
Cloudy.
12:00
9
  30.05 in UV
UV Index: 5
Cloudy.
15:00
10
  29.97 in UV
UV Index: 3
Sunny.
18:00
10
  29.93 in   Sunny.
21:00
8
  29.95 in   Clear.
 06:41     19:29    Daylength: 12:48 Friday 03 Apr
00:00
7
  29.97 in   Partly cloudy.
03:00
6
0.02 in 29.96 in   Mostly cloudy.
Light rain showers.
06:00
6
0.03 in 29.95 in   Mostly cloudy.
Light rain showers.
09:00
7
0.01 in 29.96 in UV
UV Index: 3
Mostly cloudy.
Light rain showers.
12:00
9
  29.94 in UV
UV Index: 4
Mostly cloudy.
15:00
9
  29.89 in UV
UV Index: 3
Mostly cloudy.
18:00
8
0.04 in 29.89 in   Mostly cloudy.
Light rain showers.
21:00
4
0.04 in 29.95 in   Mostly cloudy.
Light rain showers.
 06:40     19:30    Daylength: 12:50 Saturday 04 Apr
00:00
5
0.04 in 29.98 in   Cloudy.
Light rain.
03:00
8
0.02 in 30.00 in   Mostly cloudy.
Light rain showers.
06:00
10
0.02 in 30.02 in   Mostly cloudy.
Light rain showers.
09:00
9
0.01 in 30.08 in UV
UV Index: 2
Cloudy.
Light rain.
12:00
9
0.02 in 30.11 in UV
UV Index: 2
Cloudy.
Light rain.
15:00
8
0.01 in 30.08 in UV
UV Index: 2
Mostly cloudy.
Light rain showers.
18:00
8
  30.08 in   Mostly cloudy.
Move the mouse over the values for info.
  Conditions Temperature Wind Precipitation Thunderstorm probability Dewpoint Pressure UV Index Cloud cover Visibility
 06:49     19:25    Daylength: 12:35 Today
16:00
17
  0% 36.3° 29.92 in UV
UV Index: 3
11% 18 miles
17:00
16
  0% 37.8° 29.94 in UV
UV Index: 1
100% 18 miles
18:00
13
  0% 39.9° 29.97 in   4% 17 miles
19:00
10
  0% 41.3° 29.99 in   33% 16 miles
20:00
8
  0% 41.5° 30.02 in   11% 16 miles
21:00
7
  0% 41.0° 30.04 in   100% 15 miles
22:00
7
  0% 40.6° 30.06 in   4% 15 miles
23:00
6
  0% 40.5° 30.07 in   33% 15 miles
 06:47     19:26    Daylength: 12:38 Tomorrow
00:00
6
  0% 40.5° 30.09 in   11% 14 miles
01:00
6
  0% 40.2° 30.10 in   96% 14 miles
02:00
5
  0% 39.4° 30.12 in   4% 14 miles
03:00
5
  0% 38.4° 30.13 in   32% 14 miles
04:00
5
  0% 37.5° 30.14 in   11% 13 miles
05:00
4
  0% 36.7° 30.15 in   96% 13 miles
06:00
4
  0% 35.9° 30.16 in   5% 13 miles
07:00
4
  0% 35.2° 30.18 in   32% 13 miles
08:00
4
  0% 35.5° 30.21 in UV
UV Index: 1
11% 13 miles
09:00
4
  0% 36.6° 30.23 in UV
UV Index: 2
97% 13 miles
10:00
5
  0% 37.7° 30.23 in UV
UV Index: 3
44% 13 miles
11:00
5
  0% 37.9° 30.23 in UV
UV Index: 6
33% 13 miles
12:00
6
  0% 37.8° 30.22 in UV
UV Index: 7
11% 13 miles
13:00
6
  0% 37.6° 30.20 in UV
UV Index: 7
100% 13 miles
14:00
6
  0% 37.5° 30.17 in UV
UV Index: 6
4% 13 miles
15:00
6
  0% 37.1° 30.14 in UV
UV Index: 5
33% 13 miles
16:00
6
  0% 36.9° 30.13 in UV
UV Index: 3
11% 14 miles
17:00
5
  0% 37.1° 30.12 in UV
UV Index: 1
100% 14 miles
18:00
5
  0% 37.6° 30.12 in   4% 13 miles
19:00
4
  0% 38.0° 30.12 in   33% 13 miles
20:00
4
  0% 38.1° 30.11 in   11% 13 miles
21:00
4
  0% 38.1° 30.11 in   100% 13 miles
22:00
5
  0% 38.2° 30.11 in   4% 13 miles
23:00
6
  0% 38.6° 30.10 in   33% 13 miles
 06:46     19:27    Daylength: 12:40 Tuesday 31 Mar
00:00
6
  0% 39.0° 30.09 in   13% 13 miles
01:00
7
  0% 39.4° 30.09 in   10% 13 miles
02:00
6
  0% 39.5° 30.07 in   21% 13 miles
03:00
6
  0% 39.5° 30.06 in   3% 13 miles
04:00
6
  0% 39.3° 30.04 in   8% 13 miles
05:00
5
  0% 38.8° 30.03 in   23% 13 miles
06:00
5
  0% 38.3° 30.04 in   40% 13 miles
07:00
5
  0% 37.6° 30.05 in   58% 13 miles
08:00
5
  0% 37.0° 30.06 in UV
UV Index: 1
86% 13 miles
09:00
6
  0% 36.7° 30.07 in UV
UV Index: 1
100% 13 miles
10:00
6
  0% 36.7° 30.08 in UV
UV Index: 3
100% 13 miles
11:00
7
  0% 36.7° 30.08 in UV
UV Index: 4
100% 14 miles
12:00
7
  0% 37.0° 30.06 in UV
UV Index: 5
100% 14 miles
13:00
7
  0% 37.2° 30.04 in UV
UV Index: 5
97% 14 miles
14:00
9
  0% 37.5° 30.01 in UV
UV Index: 5
53% 14 miles
15:00
9
  0% 37.5° 29.99 in UV
UV Index: 4
62% 14 miles
Move the mouse over the values for info.

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