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

WXSIM Forecast for: O'Fallon

Tonight


Thursday


Thursday
night


Friday


Friday
night


Saturday


Saturday
night


Sunday


Sunday
night











2
4
12
11
4
18
10
7
9

Temperature/Precipitation/PressureThunder/Dewpoint/Pressure UV/Solar radiation Wind Max/min temperature
  Conditions Temperature Wind Precipitation UV Index Description and notes
Tonight
2
  Cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog.
Thursday
4
<0.1 in
PoP: 30%
Cloudy in the morning, becoming dense overcast in the afternoon. Patchy light fog in the morning. A chance of rain. Precipitation showery or intermittent. Precipitation less than a tenth of an inch.
Thursday night
12
<0.1 in
PoP: 40%
Mostly cloudy in the evening, becoming partly cloudy after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Precipitation less than a tenth of an inch.
Friday
11
  UV
UV Index: 7
Sunny. Breezy.
Friday night
4
  Mostly clear in the evening, becoming partly cloudy after midnight.
Saturday
18
<0.1 in
PoP: 20%
UV
UV Index: 6
Mostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain. Breezy. Precipitation less than a tenth of an inch.
Saturday night
10
  Mostly clear in the evening, becoming clear after midnight. Breezy and cool.
Sunday
7
  UV
UV Index: 7
Sunny in the morning, becoming partly cloudy in the afternoon.
Sunday night
9
<0.1 in
PoP: 20%
Partly to mostly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain after midnight. Precipitation less than a tenth of an inch.
Monday
11
<0.25 in
PoP: 50%
UV
UV Index: 5
Dense overcast in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain. Precipitation less than a quarter of an inch.
Monday night
3
<0.1 in
PoP: 20%
Cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain.
Scattered thunderstorms likely. Precipitation less than a tenth of an inch.
Tuesday
10
<0.1 in
PoP: 20%
Dense overcast. A slight chance of rain.
Scattered thunderstorms likely. Precipitation less than a tenth of an inch.
Tuesday night
11
0.5 in
PoP: 80%
Cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog after midnight. Rain likely in the evening, then a chance of rain after midnight.
Scattered thunderstorms 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
 06:11     19:50    Daylength: 13:39 Today
03:00
2
  29.78 in   Cloudy.
Light fog.
06:00
3
  29.76 in UV
UV Index: 1
Cloudy.
09:00
4
0.03 in 29.77 in UV
UV Index: 3
Cloudy.
Light rain.
12:00
4
0.01 in 29.72 in UV
UV Index: 3
Cloudy.
Light rain.
15:00
5
  29.66 in UV
UV Index: 1
Cloudy.
18:00
5
0.01 in 29.67 in   Cloudy.
Light rain.
21:00
11
0.06 in 29.72 in   Mostly cloudy.
Light rain showers.
 06:09     19:51    Daylength: 13:41 Tomorrow
00:00
13
  29.80 in   Mostly cloudy.
03:00
11
  29.85 in   Mostly clear.
06:00
10
  29.92 in UV
UV Index: 2
Clear.
09:00
11
  29.99 in UV
UV Index: 7
Sunny.
12:00
14
  30.01 in UV
UV Index: 7
Sunny.
15:00
11
  29.99 in UV
UV Index: 3
Sunny.
18:00
5
  29.99 in   Sunny.
21:00
1
  30.03 in   Clear.
 06:08     19:52    Daylength: 13:43 Saturday 27 Apr
00:00
3
  30.00 in   Clear.
03:00
6
  29.91 in   Mostly clear.
06:00
11
  29.85 in UV
UV Index: 1
Mostly clear.
09:00
14
  29.77 in UV
UV Index: 6
Partly cloudy.
12:00
19
  29.68 in UV
UV Index: 6
Mostly cloudy.
15:00
18
  29.61 in UV
UV Index: 3
Mostly cloudy.
18:00
13
  29.67 in   Partly cloudy.
21:00
14
  29.83 in   Clear.
 06:07     19:53    Daylength: 13:45 Sunday 28 Apr
00:00
12
  29.96 in   Clear.
03:00
9
  30.04 in   Clear.
06:00
6
  30.12 in UV
UV Index: 3
Clear.
09:00
8
  30.19 in UV
UV Index: 7
Sunny.
12:00
7
  30.16 in UV
UV Index: 7
Sunny.
15:00
7
  30.09 in UV
UV Index: 3
Sunny.
18:00
7
  30.08 in   Sunny.
21:00
8
  30.11 in   Mostly clear.
 06:06     19:54    Daylength: 13:48 Monday 29 Apr
00:00
8
0.03 in 30.09 in   Mostly cloudy.
Light rain showers.
03:00
10
0.01 in 30.01 in   Mostly cloudy.
Light rain showers.
06:00
13
0.04 in 29.99 in UV
UV Index: 1
Mostly cloudy.
Light rain showers.
09:00
11
0.06 in 29.96 in UV
UV Index: 5
Cloudy.
Light rain.
12:00
13
0.03 in 29.91 in UV
UV Index: 5
Mostly cloudy.
Light rain showers.
15:00
7
0.01 in 29.88 in UV
UV Index: 2
Mostly cloudy.
Light rain showers.
18:00
3
  29.90 in   Mostly cloudy.
21:00
4
0.01 in 29.95 in   Cloudy.
Light rain.
 06:04     19:55    Daylength: 13:50 Tuesday 30 Apr
00:00
3
  29.96 in   Cloudy.
03:00
3
  29.95 in   Cloudy.
06:00
3
0.01 in 29.95 in UV
UV Index: 1
Cloudy.
Light rain.
09:00
3
  29.95 in UV
UV Index: 4
Cloudy.
12:00
6
0.01 in 29.93 in UV
UV Index: 4
Cloudy.
Light rain.
15:00
13
  29.86 in UV
UV Index: 2
Cloudy.
18:00
9
0.09 in 29.82 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 Wednesday 24 Apr
03:00
2
  <20% 55.2° 29.78 in   100% 5.5 miles
04:00
2
  <20% 55.1° 29.77 in   100% 5.5 miles
05:00
2
  <20% 55.0° 29.76 in   100% 6.1 miles
06:00
3
  <20% 54.7° 29.76 in   100% 7.1 miles
07:00
3
  <20% 55.1° 29.77 in UV
UV Index: 1
100% 8.8 miles
08:00
4
  <20% 55.4° 29.77 in UV
UV Index: 1
100% 10 miles
09:00
4
0.01 in <20% 55.7° 29.77 in UV
UV Index: 2
100% 9.4 miles
10:00
4
0.01 in <20% 55.9° 29.77 in UV
UV Index: 3
100% 9.5 miles
11:00
4
0.01 in <20% 56.1° 29.75 in UV
UV Index: 3
100% 9.5 miles
12:00
4
  20-40% 56.2° 29.72 in UV
UV Index: 3
100% 10 miles
13:00
4
0.01 in 20-40% 56.5° 29.70 in UV
UV Index: 3
100% 10 miles
14:00
5
  20-40% 56.6° 29.67 in UV
UV Index: 2
100% 10 miles
15:00
5
  20-40% 56.7° 29.66 in UV
UV Index: 1
100% 11 miles
16:00
6
  20-40% 56.8° 29.66 in UV
UV Index: 1
100% 11 miles
17:00
5
  <20% 56.7° 29.66 in   100% 11 miles
18:00
5
0.01 in <20% 56.3° 29.67 in   100% 10 miles
19:00
6
  <20% 55.7° 29.68 in   80% 10 miles
20:00
8
  <20% 55.0° 29.70 in   58% 11 miles
21:00
11
0.02 in <20% 53.9° 29.72 in   41% 9.2 miles
22:00
13
0.02 in 0% 52.1° 29.75 in   54% 9.4 miles
23:00
13
0.02 in 0% 49.7° 29.78 in   68% 9.6 miles
 06:11     19:50    Daylength: 13:39 Today
00:00
13
  0% 48.0° 29.80 in   75% 13 miles
01:00
13
  0% 47.0° 29.83 in   56% 13 miles
02:00
12
  0% 46.6° 29.84 in   35% 13 miles
03:00
11
  0% 46.6° 29.85 in   13% 13 miles
04:00
10
  0% 46.5° 29.87 in   8% 12 miles
05:00
10
  0% 45.9° 29.89 in   5% 13 miles
06:00
10
  0% 44.4° 29.92 in   1% 13 miles
07:00
10
  0% 44.9° 29.95 in UV
UV Index: 1
1% 13 miles
08:00
11
  0% 45.8° 29.98 in UV
UV Index: 2
0% 13 miles
09:00
11
  0% 45.8° 29.99 in UV
UV Index: 4
0% 14 miles
10:00
12
  0% 44.4° 30.01 in UV
UV Index: 6
0% 14 miles
11:00
13
  0% 42.0° 30.01 in UV
UV Index: 7
0% 14 miles
12:00
14
  0% 40.1° 30.01 in UV
UV Index: 7
0% 14 miles
13:00
14
  0% 39.2° 30.01 in UV
UV Index: 7
0% 15 miles
14:00
12
  0% 38.9° 29.99 in UV
UV Index: 5
0% 15 miles
15:00
11
  0% 39.2° 29.99 in UV
UV Index: 3
0% 15 miles
16:00
9
  0% 40.5° 29.99 in UV
UV Index: 1
0% 14 miles
17:00
7
  0% 42.2° 29.99 in UV
UV Index: 1
0% 14 miles
18:00
5
  0% 42.9° 29.99 in   0% 14 miles
19:00
3
  0% 42.2° 30.01 in   0% 13 miles
20:00
2
  0% 41.1° 30.02 in   0% 13 miles
21:00
1
  0% 40.4° 30.03 in   0% 12 miles
22:00
2
  0% 40.2° 30.02 in   0% 12 miles
23:00
2
  0% 40.0° 30.01 in   0% 12 miles
 06:09     19:51    Daylength: 13:41 Tomorrow
00:00
3
  0% 39.9° 30.00 in   0% 12 miles
01:00
4
  0% 39.8° 29.97 in   0% 12 miles
02:00
5
  0% 39.7° 29.94 in   0% 12 miles
Move the mouse over the values for info.

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