Updated: February 25, 2018 5:25 am
Next update: February 25, 2018 4:25 pm

WXSIM Forecast for: O'Fallon

Today


Tonight


Monday


Monday
night


Tuesday


70% Tuesday
night


Wednesday


70% Wednesday
night


Thursday











7
2
4
5
10
5
3
8
18

Temperature/Precipitation/PressureThunder/Dewpoint/Pressure UV/Solar radiation Wind Max/min temperature
  Conditions Temperature Wind Precipitation UV Index Description and notes
Today
7
  UV
UV Index: 4
Sunny. Relatively mild.
Tonight
2
  Clear in the evening, becoming mostly clear after midnight.
Monday
4
  Sunny. Mild.
Monday night
5
  Clear.
Tuesday
10
  Sunny in the morning, becoming partly cloudy in the afternoon. Mild.
Tuesday night
5
0.25 in
PoP: 70%
Cloudy in the evening, becoming dense overcast after midnight. Rain likely. Relatively mild. Precipitation mostly around a quarter of an inch.
Wednesday
3
<0.1 in
PoP: 30%
Mostly cloudy. Patchy light fog in the morning. A slight chance of rain in the morning, then a chance of rain in the afternoon.
Scattered thundershowers possible. Unusually mild. Precipitation less than a tenth of an inch.
Wednesday night
8
0.25-0.5 in
PoP: 70%
Dense overcast in the evening, becoming partly to mostly cloudy after midnight. Moderate fog after midnight. Rain likely.
Scattered thunderstorms likely. Relatively mild. Precipitation mostly between a quarter and half an inch.
Thursday
18
<0.25 in
PoP: 50%
Mostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain. Windy. Precipitation less than a quarter of an inch.
Thursday night
11
  Clear.
Friday
4
  Sunny.
Friday night
4
  Clear.
Saturday
7
  UV
UV Index: 5
Sunny. Relatively mild.
Saturday night
6
  Clear.
Move the mouse over the values for info.
  Conditions Temperature Wind Precipitation Pressure UV Index Description and notes
 06:38     17:52    Daylength: 11:13 Today
12:00
8
  30.12 in UV
UV Index: 4
Sunny.
15:00
7
  30.10 in UV
UV Index: 2
Sunny.
18:00
2
  30.13 in   Clear.
21:00
0
  30.16 in   Clear.
 06:37     17:53    Daylength: 11:16 Tomorrow
00:00
2
  30.19 in   Clear.
03:00
3
  30.21 in   Clear.
06:00
2
  30.24 in UV
UV Index: 1
Clear.
09:00
3
  30.30 in UV
UV Index: 3
Sunny.
12:00
5
  30.30 in UV
UV Index: 4
Sunny.
15:00
5
  30.25 in UV
UV Index: 1
Sunny.
18:00
3
  30.27 in   Clear.
21:00
5
  30.28 in   Clear.
 06:36     17:54    Daylength: 11:18 Tuesday 27 Feb
00:00
7
  30.28 in   Clear.
03:00
6
  30.27 in   Clear.
06:00
6
  30.25 in UV
UV Index: 1
Clear.
09:00
10
  30.27 in UV
UV Index: 3
Sunny.
12:00
11
  30.19 in UV
UV Index: 4
Sunny.
15:00
11
  30.06 in UV
UV Index: 1
Sunny.
18:00
8
  30.00 in   Clear.
21:00
5
0.25 in 29.99 in   Mostly cloudy.
Light rain showers.
 06:34     17:55    Daylength: 11:21 Wednesday 28 Feb
00:00
3
0.04 in 29.96 in   Cloudy.
Light rain.
03:00
5
0.01 in 29.88 in   Cloudy.
Light rain.
06:00
3
  29.87 in UV
UV Index: 1
Cloudy.
Light fog.
09:00
2
  29.87 in UV
UV Index: 3
Mostly cloudy.
12:00
5
  29.83 in UV
UV Index: 3
Mostly cloudy.
15:00
7
0.07 in 29.74 in UV
UV Index: 1
Mostly cloudy.
Light rain showers.
18:00
6
0.05 in 29.70 in   Mostly cloudy.
Light rain showers.
21:00
8
0.08 in 29.63 in   Mostly cloudy.
Light rain showers.
 06:33     17:56    Daylength: 11:23 Thursday 01 Mar
00:00
11
0.09 in 29.53 in   Mostly cloudy.
Light rain showers.
03:00
5
0.09 in 29.48 in   Partly cloudy.
Light rain showers.
06:00
18
0.12 in 29.61 in   Mostly cloudy.
Light rain showers.
09:00
19
0.01 in 29.79 in UV
UV Index: 2
Cloudy.
Light rain.
12:00
19
  29.90 in UV
UV Index: 2
Cloudy.
15:00
19
  29.96 in UV
UV Index: 1
Partly cloudy.
18:00
11
  30.08 in   Clear.
21:00
10
  30.16 in   Clear.
 06:31     17:57    Daylength: 11:26 Friday 02 Mar
00:00
8
  30.23 in   Clear.
03:00
6
  30.27 in   Clear.
06:00
4
  30.32 in UV
UV Index: 1
Clear.
09:00
5
  30.35 in UV
UV Index: 3
Sunny.
12:00
5
  30.33 in UV
UV Index: 3
Sunny.
15:00
4
  30.27 in UV
UV Index: 1
Sunny.
18:00
3
  30.27 in   Clear.
21:00
4
  30.30 in   Clear.
 06:30     17:58    Daylength: 11:28 Saturday 03 Mar
00:00
4
  30.34 in   Clear.
03:00
4
  30.35 in   Clear.
06:00
5
  30.38 in UV
UV Index: 1
Clear.
09:00
7
  30.39 in UV
UV Index: 4
Sunny.
12:00
8
  30.34 in UV
UV Index: 5
Sunny.
15:00
8
  30.26 in UV
UV Index: 2
Sunny.
18:00
6
  30.24 in   Clear.
Move the mouse over the values for info.
  Conditions Temperature Wind Precipitation Thunderstorm probability Dewpoint Pressure UV Index Cloud cover Visibility
 06:38     17:52    Daylength: 11:13 Today
12:00
8
  0% 31.7° 30.12 in UV
UV Index: 4
5% 17 miles
13:00
8
  0% 31.6° 30.11 in UV
UV Index: 4
0% 17 miles
14:00
8
  0% 31.2° 30.10 in UV
UV Index: 3
0% 17 miles
15:00
7
  0% 31.0° 30.10 in UV
UV Index: 2
5% 17 miles
16:00
6
  0% 30.8° 30.11 in UV
UV Index: 1
0% 16 miles
17:00
4
  0% 30.7° 30.12 in   0% 16 miles
18:00
2
  0% 30.8° 30.13 in   5% 15 miles
19:00
1
  0% 30.8° 30.14 in   0% 15 miles
20:00
0
  0% 30.8° 30.15 in   0% 14 miles
21:00
0
  0% 30.7° 30.16 in   5% 14 miles
22:00
0
  0% 30.6° 30.17 in   0% 14 miles
23:00
1
  0% 30.4° 30.18 in   0% 14 miles
 06:37     17:53    Daylength: 11:16 Tomorrow
00:00
2
  0% 30.2° 30.19 in   5% 14 miles
01:00
2
  0% 30.1° 30.20 in   0% 14 miles
02:00
2
  0% 30.2° 30.20 in   0% 14 miles
03:00
3
  0% 30.2° 30.21 in   5% 14 miles
04:00
3
  0% 30.0° 30.21 in   0% 14 miles
05:00
2
  0% 29.8° 30.22 in   0% 14 miles
06:00
2
  0% 29.5° 30.24 in   5% 14 miles
07:00
2
  0% 29.9° 30.26 in   1% 14 miles
08:00
3
  0% 31.6° 30.28 in UV
UV Index: 1
0% 14 miles
09:00
3
  0% 33.4° 30.30 in UV
UV Index: 1
5% 14 miles
10:00
4
  0% 33.7° 30.31 in UV
UV Index: 3
0% 14 miles
11:00
4
  0% 33.3° 30.31 in UV
UV Index: 3
0% 15 miles
12:00
5
  0% 32.6° 30.30 in UV
UV Index: 4
5% 15 miles
13:00
5
  0% 31.6° 30.28 in UV
UV Index: 3
0% 15 miles
14:00
5
  0% 30.1° 30.26 in UV
UV Index: 2
0% 15 miles
15:00
5
  0% 29.5° 30.25 in UV
UV Index: 1
5% 15 miles
16:00
5
  0% 29.8° 30.25 in UV
UV Index: 1
0% 15 miles
17:00
4
  0% 30.8° 30.26 in   0% 15 miles
18:00
3
  0% 32.1° 30.27 in   5% 14 miles
19:00
3
  0% 33.5° 30.28 in   0% 14 miles
20:00
4
  0% 34.8° 30.28 in   0% 14 miles
21:00
5
  0% 35.9° 30.28 in   5% 14 miles
22:00
5
  0% 36.5° 30.27 in   0% 14 miles
23:00
6
  0% 36.8° 30.27 in   0% 14 miles
 06:36     17:54    Daylength: 11:18 Tuesday 27 Feb
00:00
7
  0% 36.8° 30.28 in   0% 14 miles
01:00
7
  0% 36.5° 30.28 in   0% 14 miles
02:00
6
  0% 36.1° 30.28 in   0% 14 miles
03:00
6
  0% 35.8° 30.27 in   0% 14 miles
04:00
6
  0% 35.5° 30.26 in   0% 14 miles
05:00
6
  0% 35.2° 30.25 in   0% 14 miles
06:00
6
  0% 35.2° 30.25 in   0% 15 miles
07:00
7
  0% 35.3° 30.25 in   0% 15 miles
08:00
8
  0% 36.4° 30.26 in UV
UV Index: 1
0% 15 miles
09:00
10
  0% 37.7° 30.27 in UV
UV Index: 2
0% 15 miles
10:00
11
  0% 38.4° 30.25 in UV
UV Index: 3
0% 15 miles
11:00
11
  0% 38.7° 30.23 in UV
UV Index: 3
0% 15 miles
Move the mouse over the values for info.

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