Casper weather live forecast

Today's maximum temperature in Casper is expected to be 6°C. Select a day from the live weather forecast for Casper, Wyoming, USA for more weather parameters.

Wednesday
18th Feb
6

-8

3

2
Thursday
19th Feb
-6

-14

6

3
Friday
20th Feb
-4

-16

0

3
Saturday
21st Feb
0

-13

11

4
Sunday
22nd Feb
2

-13

1

2

5-day weather forecast updated at 04:01 on Wednesday 18th February 2026 GMT

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The 5-day weather forecast for Wyoming (Casper) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Casper weather forecast by day

Below are the detailed weather forecasts for Casper for the next 5 days.

Casper weather for Wednesday 18th February 2026

Expect cloudy with sleet or snow in Casper, Wyoming with a maximum temperature of 6°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 5-10 mm of sleet/snow expected with 93% chance of some sleet or snow and a fresh breeze of 30 kph from the south-west.

6
°C maximum temperature
-8
°C minimum temperature
cloudy with sleet or snow
3
hours of sunshine
2
UV index (Low)
93
% chance of some sleet or snow
<10
mm of sleet/snow expected
1
°C wind chill
30
kph wind from SW

Casper weather for Thursday 19th February 2026

Expect clear skies with flurries of snow in Casper, Wyoming with a maximum temperature of -6°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 2-5 cm of snow expected with 22% chance of some snow and a moderate breeze of 20 kph from the north-west.

-6
°C maximum temperature
-14
°C minimum temperature
clear skies with flurries of snow
6
hours of sunshine
3
UV index (Moderate)
22
% chance of some snow
<5
cm of snow expected
-13
°C wind chill
20
kph wind from NW

Casper weather for Friday 20th February 2026

Expect broken clouds in Casper, Wyoming with a maximum temperature of -4°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 9 kph from the south-west.

-4
°C maximum temperature
-16
°C minimum temperature
broken clouds
0
hours of sunshine
3
UV index (Moderate)
0
cm of snow expected
-8
°C wind chill
9
kph wind from SW

Casper weather for Saturday 21st February 2026

Expect clear skies in Casper, Wyoming with a maximum temperature of 0°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 25 kph from the south-west.

0
°C maximum temperature
-13
°C minimum temperature
clear skies
11
hours of sunshine
4
UV index (Moderate)
0
cm of snow expected
-6
°C wind chill
25
kph wind from SW

Casper weather for Sunday 22nd February 2026

Expect broken clouds in Casper, Wyoming with a maximum temperature of 2°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south.