Updated: April 24, 2019 5:25 am
Next update: April 24, 2019 4:25 pm

WXSIM Forecast for: O'Fallon

Today


Tonight


Thursday


Thursday
night


Friday


Friday
night


Saturday


Saturday
night


Sunday











4
3
2
8
8
4
16
10
7

Temperature/Precipitation/PressureThunder/Dewpoint/Pressure UV/Solar radiation Wind Max/min temperature
  Conditions Temperature Wind Precipitation UV Index Description and notes
Today
4
<0.1 in
PoP: 30%
Cloudy. A chance of rain.
Scattered thundershowers possible. Precipitation less than a tenth of an inch.
Tonight
3
  Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight.
Thursday
2
  UV
UV Index: 6
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon.
Thursday night
8
  Mostly cloudy to cloudy in the evening, becoming mostly clear after midnight.
Friday
8
  UV
UV Index: 7
Sunny.
Friday night
4
  Clear in the evening, becoming partly to mostly cloudy after midnight.
Saturday
16
<0.25 in
PoP: 60%
UV
UV Index: 4
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. Precipitation showery or intermittent. Breezy. Precipitation less than a quarter of an inch.
Saturday night
10
  Fair to partly cloudy in the evening, becoming clear after midnight. Breezy and cool.
Sunday
7
  UV
UV Index: 7
Sunny.
Sunday night
7
  Fair to partly cloudy in the evening, becoming partly cloudy after midnight. Cool.
Monday
11
0.1 in
PoP: 40%
Mostly 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. Precipitation showery or intermittent. Cool. Precipitation mostly around a tenth of an inch.
Monday night
7
<0.1 in
PoP: 30%
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. A chance of rain. Precipitation less than a tenth of an inch.
Tuesday
11
<0.1 in
PoP: 30%
UV
UV Index: 7
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain.
Scattered thundershowers possible. Warm. Precipitation less than a tenth of an inch.
Tuesday night
11
0.5 in
PoP: 80%
Dense overcast. Rain very likely.
Breezy. Precipitation mostly around half an inch.
Move the mouse over the values for info.
  Conditions Temperature Wind Precipitation Pressure UV Index Description and notes
 06:12     19:49    Daylength: 13:36 Today
12:00
3
0.01 in 29.89 in UV
UV Index: 4
Cloudy.
Light rain.
15:00
3
  29.84 in UV
UV Index: 2
Cloudy.
18:00
4
  29.83 in   Cloudy.
21:00
3
  29.83 in   Mostly cloudy.
 06:11     19:50    Daylength: 13:39 Tomorrow
00:00
3
  29.84 in   Mostly cloudy.
03:00
2
  29.82 in   Cloudy.
06:00
1
  29.82 in UV
UV Index: 2
Cloudy.
09:00
2
  29.86 in UV
UV Index: 6
Mostly cloudy.
12:00
5
  29.81 in UV
UV Index: 6
Mostly cloudy.
15:00
5
  29.76 in UV
UV Index: 2
Mostly cloudy.
18:00
8
0.01 in 29.80 in   Cloudy.
Light rain.
21:00
11
  29.87 in   Mostly cloudy.
 06:09     19:51    Daylength: 13:41 Friday 26 Apr
00:00
9
  29.94 in   Mostly clear.
03:00
5
  29.97 in   Clear.
06:00
5
  30.01 in UV
UV Index: 2
Clear.
09:00
8
  30.04 in UV
UV Index: 7
Sunny.
12:00
11
  30.03 in UV
UV Index: 7
Sunny.
15:00
9
  29.99 in UV
UV Index: 3
Sunny.
18:00
4
  29.98 in   Sunny.
21:00
3
  30.02 in   Clear.
 06:08     19:52    Daylength: 13:43 Saturday 27 Apr
00:00
5
  29.97 in   Clear.
03:00
9
  29.87 in   Mostly clear.
06:00
9
0.16 in 29.82 in UV
UV Index: 1
Partly cloudy.
Light rain showers.
09:00
9
0.01 in 29.77 in UV
UV Index: 4
Mostly cloudy.
Light rain showers.
12:00
16
0.01 in 29.67 in UV
UV Index: 4
Mostly cloudy.
Light rain showers.
15:00
16
0.02 in 29.59 in UV
UV Index: 2
Mostly cloudy.
Light rain showers.
18:00
14
  29.64 in   Partly cloudy.
21:00
15
  29.84 in   Clear.
 06:07     19:53    Daylength: 13:45 Sunday 28 Apr
00:00
14
  29.97 in   Clear.
03:00
9
  30.06 in   Clear.
06:00
4
  30.15 in UV
UV Index: 3
Clear.
09:00
7
  30.25 in UV
UV Index: 7
Sunny.
12:00
8
  30.22 in UV
UV Index: 8
Sunny.
15:00
7
  30.17 in UV
UV Index: 3
Sunny.
18:00
6
  30.16 in   Sunny.
21:00
7
  30.20 in   Clear.
 06:06     19:54    Daylength: 13:48 Monday 29 Apr
00:00
6
  30.20 in   Clear.
03:00
7
  30.18 in   Clear.
06:00
9
  30.18 in UV
UV Index: 2
Mostly clear.
09:00
11
  30.17 in UV
UV Index: 3
Mostly cloudy.
12:00
13
0.04 in 30.08 in UV
UV Index: 3
Cloudy.
Light rain.
15:00
10
0.06 in 30.00 in UV
UV Index: 1
Cloudy.
Light rain.
18:00
8
0.01 in 29.98 in   Mostly cloudy.
Light rain showers.
21:00
7
  29.99 in   Partly cloudy.
 06:04     19:55    Daylength: 13:50 Tuesday 30 Apr
00:00
7
  29.97 in   Partly cloudy.
03:00
7
0.03 in 29.96 in   Mostly cloudy.
Light rain showers.
06:00
8
0.02 in 29.92 in UV
UV Index: 2
Mostly cloudy.
Light rain showers.
09:00
12
  29.94 in UV
UV Index: 7
Mostly cloudy.
12:00
10
  29.92 in UV
UV Index: 7
Mostly cloudy.
15:00
13
  29.88 in UV
UV Index: 3
Mostly cloudy.
18:00
10
0.02 in 29.86 in   Cloudy.
Light rain.
Move the mouse over the values for info.
  Conditions Temperature Wind Precipitation Thunderstorm probability Dewpoint Pressure UV Index Cloud cover Visibility
 06:12     19:49    Daylength: 13:36 Today
10:00
4
  20-40% 56.3° 29.93 in UV
UV Index: 3
100% 12 miles
11:00
4
  20-40% 57.0° 29.91 in UV
UV Index: 4
100% 12 miles
12:00
3
  20-40% 57.6° 29.89 in UV
UV Index: 4
100% 11 miles
13:00
3
  20-40% 58.0° 29.87 in UV
UV Index: 3
100% 11 miles
14:00
3
0.01 in 20-40% 58.2° 29.85 in UV
UV Index: 3
100% 11 miles
15:00
3
  20-40% 58.3° 29.84 in UV
UV Index: 2
100% 11 miles
16:00
4
  20-40% 58.1° 29.83 in UV
UV Index: 1
100% 11 miles
17:00
4
  20-40% 57.7° 29.83 in   100% 11 miles
18:00
4
  20-40% 57.1° 29.83 in   100% 11 miles
19:00
4
  <20% 56.2° 29.83 in   86% 11 miles
20:00
4
  <20% 55.2° 29.83 in   70% 11 miles
21:00
3
  <20% 54.4° 29.83 in   55% 11 miles
22:00
3
  <20% 53.7° 29.84 in   56% 11 miles
23:00
3
  0% 53.1° 29.84 in   58% 11 miles
 06:11     19:50    Daylength: 13:39 Tomorrow
00:00
3
  0% 52.6° 29.84 in   65% 11 miles
01:00
2
  0% 52.0° 29.84 in   79% 11 miles
02:00
2
  0% 51.5° 29.83 in   92% 11 miles
03:00
2
  0% 51.1° 29.82 in   100% 11 miles
04:00
1
  0% 50.7° 29.81 in   99% 10 miles
05:00
1
  0% 50.6° 29.81 in   99% 10 miles
06:00
1
  0% 50.9° 29.82 in   98% 10 miles
07:00
1
  0% 51.6° 29.84 in UV
UV Index: 1
89% 10 miles
08:00
2
  0% 52.6° 29.85 in UV
UV Index: 2
80% 10 miles
09:00
2
  0% 53.3° 29.86 in UV
UV Index: 3
71% 10 miles
10:00
3
  0% 53.3° 29.86 in UV
UV Index: 5
59% 10 miles
11:00
4
  0% 53.1° 29.84 in UV
UV Index: 6
47% 11 miles
12:00
5
  0% 52.6° 29.81 in UV
UV Index: 6
40% 11 miles
13:00
5
  <20% 52.2° 29.78 in UV
UV Index: 5
52% 11 miles
14:00
5
  <20% 51.6° 29.77 in UV
UV Index: 4
64% 12 miles
15:00
5
  <20% 51.4° 29.76 in UV
UV Index: 2
76% 12 miles
16:00
6
  20-40% 52.1° 29.77 in UV
UV Index: 1
85% 12 miles
17:00
7
  20-40% 53.1° 29.79 in   95% 12 miles
18:00
8
0.01 in 20-40% 53.2° 29.80 in   99% 12 miles
19:00
9
  <20% 51.8° 29.82 in   91% 12 miles
20:00
10
  <20% 49.9° 29.85 in   82% 13 miles
21:00
11
  0% 48.4° 29.87 in   72% 13 miles
22:00
11
  0% 47.4° 29.90 in   53% 13 miles
23:00
10
  0% 46.5° 29.92 in   32% 13 miles
 06:09     19:51    Daylength: 13:41 Friday 26 Apr
00:00
9
  0% 45.8° 29.94 in   9% 13 miles
01:00
7
  0% 44.9° 29.97 in   6% 13 miles
02:00
6
  0% 44.3° 29.97 in   3% 13 miles
03:00
5
  0% 43.9° 29.97 in   0% 13 miles
04:00
5
  0% 43.5° 29.97 in   0% 13 miles
05:00
5
  0% 43.2° 29.99 in   0% 13 miles
06:00
5
  0% 43.3° 30.01 in   0% 13 miles
07:00
6
  0% 44.8° 30.02 in UV
UV Index: 1
0% 13 miles
08:00
7
  0% 46.7° 30.04 in UV
UV Index: 2
0% 13 miles
09:00
8
  0% 47.6° 30.04 in UV
UV Index: 4
0% 14 miles
Move the mouse over the values for info.

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